Press to confirm pre-set Burner is now ready for operation. Briefly open ball valve and then close it again. Plug in bridging plug 7 on the combustion manager. Burner starts in accordance with the sequence of opera- tions. The gas pressure switch establishes that there is insuffi- cient gas. The burner tries to restart.
After two or three attempted starts, the combustion manager causes the burner to lockout due to the lack of gas low gas program. Only proceed when the low gas program functions correctly. Remove and replace the 7-pole connection plug to interrupt the low gas program. Note Should a controlled shutdown of the burner occur Danger of explosion! Check CO content at each operating point.
Press and simultaneously. If CO is detected, adjust combustion values. Record the values given on the display for every set point and their relevant ratings gas throughput. This will assist you when setting partial load. By pressing , slowly drive the burner to full load point P9. P If necessary adjust combustion values by pressing G or G. Carry out gas throughput measurements at full load see appendix.
Optimise the gas throughput by adjusting the gas pressure or gas butterfly valve. Keep G pressed down and by pressing or adjust the gas butterfly valve setting 5. Keep pressed down and optimise combustion by pressing or see appendix. If the required rating can not be reached, see notes below.
Adjust intermediate load points 1. Values for P9 are saved. Keep G pressed down and optimise combustion values by pressing or. Values for P8 are saved. Set points P6 to P1 as for P8 above. Once P1 has been set, press to save Burner runs to P2 all values. Unplug bridging plug 7 on the program manager. The air damper and the gas butterfly valve can not be Burner goes to the stand by position. If an 2.
Re-set air damper setting P9. Unplug bridging plug 7 from the combustion manager. Burner switches off. Combustion manager runs to Standby position. Replace bridging plug 7. Burner starts and remains in ignition position P0. Note The gas governor setting pressure must not be changed! Press and hold for 1 second to save values. Burner runs to P1. By pressing , slowly drive the burner to P9.
Burner runs to partial load bu. Keep pressed down and by pressing or P set the value for partial load. Note: Pay attention to boiler manufacturers instructions. Values for partial load are saved. Combustion manager changes Burner operation only possible from setting mode after completion of step 4.
The burner is set. Test start 1. Interrupt the power supply to the burner e. Burner runs into operating mode diffuser setting are required, the whole burner Unplug bridge plug 7 from combustion manager.
Simultaneously press and. Plug in bridging plug 7. Drive to the individual load points P1 to P9 by pressing or. Press G burner runs to partial load 6. Press G burner operates in operating mode 7. Enter new setting values on sticker and cover old sticker.
Operate burner full load 3. Gradually close the ball valve until the pressure decreases to half its value. Slowly turn the setting cam of the gas pressure switch to the right until the combustion manager starts the low gas program.
Minimum value: 12 mbar. Remove and replace the 7 pole connection plug. The burner must restart without the low gas program starting. For this a differential pressure measurement between points 1 and 2 must be carried out: 5 4 1. Connect a manometer as shown in the illustration. Start burner. Drive through the setting range of the burner whilst 1 9 10 monitoring the pressure at the pressure test unit. Determine the value of the lowest differential pressure. In service mode No. Connection: A plug coupling fitted to the ionisation cable is used to connect the test equipment.
Concluding work Sticker for burner settings 1. Record test results of the flue gas test on the inspection card. Brennereinstellung Burner setting Date: Datum: 2. Note values on sticker. Stauscheiben- Diffuser setting: mm einstellung: mm Gas setting pressure 3. Remove test unit and fit burner cover. Advise operator on use of equipment. Sek Burner motor Combustion manager time program Air pressure switch 22 Sek secs. Sek max. Ignition unit Gas pressure switch 1st valve 2nd valve 2 Sek 2tssecs.
Sek Test time without max. Pre-purge time 20 secs Safety time 3 secs. Pre-ignition time 2 secs. Stabilisation time 2 secs. Post-purge time 2 secs. Valve proving test time 1st valve 16 secs. Phase 1 2nd valve 8 secs. Phase 2 Stepping motor run time during operation complete setting movement max. F10 Air pressure switch Y4 Ext. Y18 Gas stepping motor 5 F13 Gas pressure switch max. Y20 Air stepping motor Do not open! At first, the display will show i for about 1.
Example: Example: 3 Fuel consumption: Gas butterfly valve setting at l, m 72 m3 operating point P0 Display value Nr. Display value 0 Fuel consumption m3 0 Gas butterfly valve and air damper setting at P0 calculated at impulse counter inlet 1 P1 1 Total number of hours run for the gas burner 2 P2 2 Oil burners only 3 P3 3 Number of burner settings carried out burner 4 P4 starts 5 P5 4 Software No of combustion manager 6 P6 5 Date of software 7 P7 6 Unit No.
The function fault that triggered the 1. Remove the burner cover. Remove bridging plug 7. Burner goes into standby, the display shows OFF To reset the burner: 3. Press and simultaneously for about 2 secs.
Display flashes! Error message Value values 0 3 Note on parameter level 20 Air pressure switch contact not in off position at can not be altered burner start 1 03h, 13H, 33h, 21 Air pressure switch contact has not changed over 73h, f3h Detail of the eBUS address 22 Gas pressure switch contact has not changed 2 0 to 25,5 Air damper setting in Standby over Position in degree of angles Set according to the impulse rate 63 Run time of air motor has been exceeded.
Impulse rate: Impulse of the 66 Gas butterfly valve connection plug incorrect; counter per 1 m3 or low frequency air stepping motor or angle drive output NF 67 General fault on stepping-motor control 68 Return signal of air damper stepping motor faulty. The Reset: Press for remote reset button S2 display flashes with an error code. If faults occur first check that the basic requirements for To avoid damage to the plant, do not reset the correct operation are met.
If it has been established that the lockout is not due to any of the above, all the burner functions must be checked. For further error codes see Ch. Capacitor defective Check capacitor and Error message: F 21H replace if necessary Burner motor defective Check burner motor and replace if necessary see Ch. Air pressure switch Replace air pressure switch Display shows 2 for 30secs, remains closed then restarts.
After 5 restarts display shows error message: F 20H Burner motor runs continuously, Motor relays defective Replace motor relays Lockout Error message: F 20H Combustion manager Replace combustion manager defective see Ch. Insufficient air 5 unsuccessful burner starts Pressure switch contact Set air pressure switch correctly error message F 21H decreases due toor replace insufficient air pressure Pressure or negative Replace hoses pressure hoses defective Burner fan soiled Clean fan wheel and air-spiral see Ch.
If after 1st solenoid valve is opened, e. Display: 16 01 59 2 Mins. To interrupt the low gas program: 16 00 00 Remove and replace the 7-pole Burner restarts connection plug. Burner attempts to restart. Gas pressure switch does not switch Replace gas pressure switch Burner start is interrupted Gas pressure loss when Clean or replace filter insert after 2nd solenoid valve is opened, 2nd solenoid valve opens see CH.
Ignition No ignition audible Ignition electrode gap Adjust ignition electrode Lockout too large see Ch. Ignition unit defective Replace ignition unit No voltage on combustion Combustion manager Replace combustion manager manager plug defective See Ch.
Pay close attention to carried out by the manufacturer or their appointed agent the following safety notes. Electrically isolate the equipment Risk of explosion due to a gas leak 2.
CO formation due to incorrect burner setting. Check CO content at each operating point. If CO is detected, adjust combustion values. CO content should not exceed 50 ppm at this time. Record the values given on the display for every set point and their relevant ratings gas throughput. This will assist you when setting partial load. Burner starts in accordance with the sequence of operations and runs to ignition load P0.
Appliances response Display. Press and hold for 1 second. Burner runs to P1. By pressing , slowly drive the burner to full load point P9. Monitor the CO values of flue gas at all the intermediate load points. If necessary adjust combustion values by pressing or G. Carry out gas throughput measurements at full load see appendix. Optimise the gas throughput by adjusting the gas pressure or gas butterfly valve. Keep G pressed down and by pressing or adjust the gas butterfly valve setting 5.
Keep pressed down and optimise combustion by pressing or see appendix. If the required rating cannot be reached, see notes below. Adjust intermediate load points 1. Values for P9 are saved. Burner runs to P8. Keep G pressed down and optimise combustion values by pressing or.
Values for P8 are saved. Burner runs to P7. Set points P6 to P1 as for P8 above. Once P1 has been set, press to save all values. Burner runs to P2 P. Problems when matching ratings? The air damper and the gas butterfly valve cannot be altered randomly in the individual operating points.
If an exact rating cannot be matched the diffuser setting will have to be corrected. If the rating is too high at diffuser setting 0, the pre-setting of P9 must be corrected:. Unplug bridging plug 7 on the programme manager. Burner goes to the stand by position. Continue as described in Pre-setting on the combustion manager.
Re-set air damper setting P9. Unplug bridging plug 7 from the combustion manager. Appliances response Burner switches off. Combustion manager runs to Standby position. Combustion manager changes to setting mode. Replace bridging plug 7. Note The gas governor setting pressure must not be changed! Press and hold for 1 second to save values. Values for partial load are saved. Combustion manager changes from setting mode to operating mode.
The burner is set. Test start 1. Interrupt the power supply to the burner e. Record all settings on the sticker included and affix it to the mixing chamber housing. Burner starts in operating mode interrupts the start up carries out a valve proving test restarts drives to partial or full load. Additional correction of settings 1. Burner runs into operating mode. Unplug bridge plug 7 from combustion manager.
Burner in Standby position. Simultaneously press and. Plug in bridging plug 7. Burner starts and remains in ignition position P0.
Drive to the individual load points P1 to P9 by pressing or. Press G burner runs to partial load 6. Press G burner operates in operating mode 7.
Enter new setting values on sticker and cover old sticker. If further changes of the gas setting pressure or the diffuser setting are required, the whole burner setting including pre-setting has to be repeated.
Start the burner full load. Slowly close the ball valve until the gas pressure drops to half the value, monitoring CO value and flame signal. Turn setting cam to the right, until the combustion manager starts the low gas pressure program Minimum value: 12 mbar. Open ball valve.
Unplug 7 pole connection plug and plug in again. Burner must start without low gas pressure program. Gas pressure switch Test point. Set air pressure switch Factory pre-set: 3.
For this a differential pressure measurement between points and is required. Install manometer as shown in the picture. Start the burner. Drive through the setting range of the burner, observing pressure behaviour at manometer. Determine the lowest differential pressure value. In service mode No. Connection: A plug coupling fitted to the ionisation line is used for connection to the test equipment.
Test ionisation current. Concluding work 1. Record test results of the flue gas test on the inspection card. Note values on sticker. Remove test unit and fit burner cover. Advise operator on use of equipment. Burner motor Combustion manager time program Air pressure switch Ignition unit Gas pressure switch 1st. Check GPS Standby, low voltage Standby, safety circuit open bridging plug 7 removed Standby, switch off via eBus Standby, waiting for heat demand Standby, programming not concluded 1 2.
Switch times Start-up waiting time test Pre-purge time Weishaupt works-setting Safety time Pre-ignition time Stabilisation time Post ignition time Test phase valve proving 1. Combustion manager with plug connectors Display panel Bus interface eBus Flame sensor Motor capacitor External fusing max. Burner motor Connection M1 for cont. Info mode The information mode can be selected at every stage of the burner sequence whilst it is in operating mode.
Example: Fuel consumption: 72 m3. Service mode The service mode can be selected at every stage of the burner sequence whilst it is in operating mode. At first, the display will show i for about 1. Example: Gas butterfly valve setting at operating point P0 Display value Fuel consumption in m3 calculated at impulse counter input Total number of hours run for the gas burner - no function Number of burner settings carried out burner starts Software No of combustion manager Date of software Unit No.
Display value as butterfly valve and air damper setting at P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 last error second to last error third to last error fourth to last error fifth to last error sixth to last error flame intensity: 00 no flame 01 flame signal weak check! After Service info No. Remove the burner cover. Remove bridging plug 7. Burner goes into standby, the display shows OFF 3. Press and simultaneously for about 2 secs. Example: Post-purge time 28 secs. Error messages The combustion manager is equipped with an error messaging system.
The function fault that triggered the lockout is displayed as an error code. Example: Gas pressure switch did not change over Display flashes! Factor for the determination of fuel consumption. Set according to the impulse rate of the counter Factory setting: Impulse rate: Impulse of the counter per 1 m3 or low frequency output NF. After parameter No. CInternal unit fault calculation of characteristics values Air pressure switch contact not in off position at burner start Air pressure switch contact has not changed over Gas pressure switch contact has not changed over No flame signal after safety time Extraneous flame signal Flame-signal loss during operation Flame sensor short circuit Switched off by plug 7 Valve V1 leaking during valve proving or gas pressure switch does not trip Valve V2 leaking during valve proving Air stepping motor does not start reference point 0 correctly.
Gas stepping motor does not start reference point 0 correctly. Run time of air damper motor has been exceeded. Run time of gas butterfly valve motor has been exceeded. Burner type not recognised at start. Gas butterfly valve connection plug incorrect; air stepping motor or angle drive General fault on stepping-motor control Return signal of air damper stepping motor faulty. Return signal of gas butterfly valve stepping motor faulty. Tolerance fault on air damper stepping motor. Tolerance fault on gas butterfly valve stepping motor.
Step control of air damper stepping motor faulty. Step control of gas butterfly valve stepping motor faulty. Stepping motor connections mixed up Error during burner recognition or stepping motor plug not connected.
For longer breaks in operation: 1. Isolate the burner from the power supply. Close all fuel cut-off devices. Fault conditions and procedures for rectification Reset: Press To avoid damage to the plant, do not reset the burner more than twice.
If the burner locks out for a third time call for a service engineer. Fault conditions should be rectified only by qualified and experienced personnel. If the burner is found out of operation, in lockout the display will show a fault code. If other fault codes are shown, check first that the basic requirements for operation are met. Is there a supply of electricity? Is the gas pressure supplied by the mains correct and is the ball valve open? Are all controls for room and boiler, liquid level interlocks, limit switches etc.
If it has been established that the lockout is not due to any of the above, all the burner functions must be checked. The following table provides only a summary of possible faults. For further error codes see Ch.
Remedy Check electrical supply and fusing Replace fuse 10 A slow Reset limiter Repair short circuit Check plug connection Replace combustion manager see Ch. Check plug connection Complete the programming Change position of sensor electrode; remove possibly high resistance in ionisation cableand terminals tighten terminals With unearthed mains control transformer the pole used as MP conductor must be earthed.
Adjust see commissioning. MP short circuited 7-pole plug connection to combustion manager plugged in incorrectly Combustion manager defective. Extraneous flame signal during pre-purge Investigate extraneous signal Flame sensor defective Replace flame sensor Rectify short circuit. Display shows 2 for 30 secs, then restarts.
Replace motor relays Replace combustion manager see Ch. Set air pressure switch correctly or replace it Replace hoses Clean fan wheel and air-volute see Ch. If there is insufficient gas for a prolonged time period, contact the gas supplier. To interrupt the low gas program: Remove and replace the 7-pole connection plug. Burner attempts to restart. Replace gas pressure switch Clean or replace filter insert see Ch.
Stepping motor fixing screws are too tight Air damper or gas butterfly valve stepping motor Angle drive sluggish Pressure switch contact opens due to insufficient air pressure Pressure or negative pressure hoses defective Burner fan soiled Air pressure switch defective.
Insufficient gas Burner start is interrupted after 1st solenoid valve is opened, low gas program starts: Display: 16 01 59 2 mins. Gas pressure switch does not switch Burner start is interrupted after 2nd solenoid valve is opened, low gas program starts Solenoid valve Signal lamp on valve Valve does not open. Ignition No ignition audible Lockout Error message: F 25H Gas pressure loss when 2nd solenoid valve opens due to fouled gas filter.
Replace valve coil see Ch. Replace ignition unit Replace combustion manager See Ch. Pay close attention to the following safety notes. Endangering operational safety Maintenance work on the following individual components may only be carried out by the manufacturer or their appointed agent: Air damper stepping motor Gas butterfly valve stepping motor Flame sensor Combustion manager with operating and display panel Gas pressure switch Air pressure switch Risk of explosion due to a gas leak Take care when dismantling and assembling parts in the gas line to ensure they are correctly aligned, clean and in good condition, and that the fixing screws are correctly tightened.
Danger of getting burnt! Some burner parts e. Qualified personnel Only qualified and experienced personnel must carry out maintenance and service work. Before all maintenance and service work: 1. Electrically isolate the equipment. Close the ball valve. Remove the 7-pole connection plug from the appliance controller. After all maintenance and service work: 1. Function test with ball valve closed.
Complete a test sheet. Test and clean Fan wheel and air inlet see Ch. Ignition equipment Air pressure switch Gas pressure switch Flame monitoring Soundness test of gas valve trains see CH.
Remove operating panel 2. Remove the flame sensor or ionisation plug. Remove the ignition cable from the ignition unit. Loosen screws. Remove mixing head from the housing lightly rotate. Refitting Danger of explosion! Misalignment of the seal can result in a gas leak during burner operation. When refitting the mixing head ensure the gas seal is clean and aligned correctly. Replace it if necessary. When commissioning the burner check the seal is sound with a leak detector. Removal and refitting the mixing head.
To check, remove the mixing head and measure dimension L. Remove the mixing head see Ch. After setting dimension L, fix the collar with the lock nuts. For setting dimensions see illustration. If necessary, the setting of the sensor electrode can be adjusted to match site-specific conditions. Setting dimension ignition electrode 1,5. Service position of fan housing cover. Remove the display panel. Remove mixing head note Ch. Remove cover and disconnect small plugs.
Remove cable plugs. Disconnect plugs from multifunction assembly. Remove cover screws whilst supporting fan housing. Place fan housing cover onto support. Put the fan housing cover in the servicing position see Ch. Loosen the threaded pin. Remove the fan wheel. Remove plugs No.
Remove air pressure switch. Supporting the motor in place, remove screws. Remove the motor from the housing. Refitting Reassemble in the reverse order. Removal and refitting fan wheel and fan motor. Remove the plug from combustion manager. Remove the screws. Remove stepping motor and drive shaft. The air damper will open due to the spring relaxing. Remove screws to remove frame. Remove screws to remove angle drive. Refitting Damage to the stepping motor!
Do not turn the hub of the stepping motor, either by hand or with a tool. Removing bridging plug No. Connect plug to the combustion manager. Switch the burner on. The combustion manager tests the stepping motor and drives to the reference point. Switch the burner off and electrically isolate it. The gas in the valve train is vented to safe atmosphere via the hose. For smaller gas quantities, a suitable test burner can be fitted to the outlet of the hose to burn off the gas.
Select and set the required pre-setting for the air under idealised atmospheric and combustion damper and diffuser.
Determine gas setting pressure. Therefore small variations may actual setting is carried out during burner occur when commissioning depending on individual commissioning installations. Carry out gas throughput calculation for full and partial load see appendix. These values result in an air factor No. Note instructions given by the appliance manufacturer.
Example 1 Example 2 Required combustion heat rating: kW Required combustion heat rating: kW Combustion chamber pressure: 1. Combustion heat rating [kW]. Note: Combustion heat rating for full load should not Setting screw for diffuser setting dimension X be selected below 80 kW.
Burner Gas pressure Connection pressure min. The values are therefore guidelines for basic settings. Small variations may occur when commissioning depending on individual installations. Note The combustion chamber pressure has to be added to the setting pressure listed above. The minimum connection pressure should not 4. Factory pre-setting: 7 mbar.
P0 Ignition load P6 equalised settings P7 P8 P9 Full load Connect voltage supply on the burner. Press G and simultaneously. Combustion manager changes to setting mode. Press Display shows factory pre-setting at full load P9. Hold down and by pressing or adjust the air damper setting noted value from the diagram.
Hold down G and by pressing or set the gas butterfly valve to the same value. Display shows factory pre-setting at minimum load P1. Press to confirm pre-set value. Display shows factory pre-setting at ignition load P0.
Burner is now ready for operation. Plug in bridging plug 7 on the combustion manager. Burner starts in accordance with the sequence of operations. The gas pressure switch establishes that there is insufficient gas.
The burner tries to restart. After two or three attempted starts, the combustion manager causes the burner to lockout due to the lack of gas low gas pressure program. Only proceed when the low gas program functions correctly. Remove and replace the 7-pole connection plug to interrupt the low gas program. Note Should a controlled shutdown of the burner Danger of explosion! Press and simultaneously.
Go to the last load point set by pressing CO content should not exceed 50 ppm at this time. Record the values given on the display for every set point and their relevant ratings gas throughput. This will assist you when setting partial load. Adjust full load 1. Press and hold for 1 second.
By pressing , slowly drive the burner to full load point P9. Optimise the gas throughput by adjusting the gas pressure or gas butterfly valve. Keep G pressed down and by pressing or adjust the gas butterfly valve setting. Keep pressed down and optimise combustion by pressing or see appendix. Adjust intermediate load points 1. Values for P9 are saved. Burner runs to P8. Values for P8 are saved. Burner runs to P7. Once P1 has been set, press to save all values.
Problems when matching ratings? The air damper and the gas butterfly valve cannot be 1. Unplug bridging plug 7 on the programme manager. If an Burner goes to the standby position.
Re-set air damper setting P9. Adjust ignition load 1. Unplug bridging plug 7 from the combustion manager. Burner switches off. Combustion manager runs to standby position. Replace bridging plug 7. Burner starts and remains in ignition position P0. Press and hold for 1 second to save values. Burner runs to P1. Set partial load 1.
By pressing , slowly drive the burner to P9. Burner runs to partial load bu. Keep pressed down and by pressing or P set the value for partial load. Values for partial load are saved. Combustion manager changes Attention Burner operation is only possible once from setting mode to operating step 4 has been completed. The burner is set. Test start Burner 1. Interrupt the power supply to the burner e. Record all settings on the sticker included and affix it to the mixing chamber housing.
Additional correction of settings Note If further changes of the gas setting pressure 1. Burner runs into operating mode or the diffuser setting are required, the whole Unplug bridge plug 7 from combustion manager. Simultaneously press and.
Plug in bridging plug 7. Drive to the individual load points P1 to P9 by pressing or. Enter new setting values on sticker and cover old sticker. Test point 1. Start the burner full load. Slowly close the ball valve until the gas pressure drops to half the value, monitoring CO value and flame signal. Turn setting cam to the right, until the combustion manager starts the low gas pressure program Minimum value: 12 mbar.
Open ball valve. Press reset-button to interrupt the low gas pressure program. Burner must start without low gas pressure program. Set air pressure switch Air pressure switch Factory pre-set: 3. Install manometer as shown in the picture.
Start the burner. Drive through the setting range of the burner, observing. Determine the lowest differential pressure value. Note Installation dependant influences on the air pressure switch, such as flue gas system, heat exchanger, installation or air supply, the settings may result in readjustments having to Differential pressure test be made.
Connection: A plug coupling fitted to the ionisation line is used for connection to the test equipment. Concluding work Sticker for burner settings 1. Record test results of the flue gas test on the inspection card. Burner Setting Ustawienie palnika 2. Note values on sticker. Date: Data: Diffuser ustawienie tarczy setting: 3. Remove test unit and fit burner cover. Advise operator on use of equipment. Initialise air Air and gas Operation Burner motor off stepping motor ignition position partial load operation valve proving Ready for Stepping motor Gas valve open Operation operation gas butterfly via rating controller Standby P8 P9 P9.
Gas 22secs. Sek Burner motor Combustion manager time program. Air pressure switch 2 secs. Gas pressure switch 1st. Sek max.
Sek Test time without pressure 3rd. Start-up waiting time test 3 secs. Pre-purge time 20 secs. Weishaupt works-setting Safety time 3 secs. Pre-ignition time 2 secs. Stabilisation time 2 secs. Post ignition time 2 secs. Test phase valve proving 16 secs. A1 Basic wiring diagram. X X6 X7 N. L1 L1 L2. A3 M1. P P Do not open! Info mode Service mode The information mode can be selected at every stage of The service mode can be selected at every stage of the the burner sequence whilst it is in operating mode.
The display will show the relevant value next to an INFO At first, the display will show i for about 1. Example: Example: 3 Fuel consumption: Gas butterfly valve setting at l, m 72 m3 operating point P0 Display value No. Display value 0 Fuel consumption in m3 0 Gas butterfly valve and air damper setting atP0 calculated at impulse counter inlet 1 P1 1 Total number of hours run for the gas burner 2 P2 2 - no function - 3 P3 3 Number of burner settings carried out burner 4 P4 starts 5 P5 4 Software No of combustion manager 6 P6 5 Date of software 7 P7 6 Unit No.
After Service info No. The function fault that triggered the OFF lockout is displayed as an error code. Remove the burner cover. Remove bridging plug 7. Press and simultaneously for about 2 secs. To go to the next parameter: No. Value 20 Air pressure switch contact not in off position 0 3 Note on parameter level at burner start can not be altered 21 Air pressure switch contact has not changed 1 03h, 13H, 33h, over 73h, f3h Detail of the eBUS address 22 Gas pressure switch contact has not changed 2 0 to 25,5 Air damper setting in Standby over Position in degree of angles 25 No flame signal after safety time Set according to the impulse rate 63 Run time of air damper motor has been of the counter exceeded.
Factory setting: 64 Run time of gas butterfly valve motor has been exceeded. Impulse rate: Impulse of the 65 Burner type not recognised at start. For longer breaks in operation: 1. Isolate the burner from the power supply 2. If other fault codes are shown, check first that the basic To avoid damage to the plant, do not reset the requirements for operation are met. If it has been established that the lockout is not due to any of the above, all the burner functions must be checked.
Note The following table provides only a summary of possible faults. For further error codes see Ch. Faulty fuse Replace fuse 10 A slow. Limiter from L1 on 7-pole plug has Reset limiter switched off. Voltage present at inlet L1 on MP short circuited Repair short circuit 7 pole plug, but display blank 7-pole plug connection to combustion Rectify fault manager plugged in incorrectly. Combustion manager defective Replace combustion manager see Ch.
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