33
Troubleshooting
Cause
Check
Fault at the connected
VitotronicĂ050 heating circuit
control unit
Check the VitotronicĂ050 heating circuit
control unit and the BUS connection on
plugĂ"X
Ă
5" (see pageĂ46)
Vitocom error
Check Vitocom
Fault signal ć variable speed
heating circuit pump
Check the variable speed heating circuit
pump
Fault message regarding the
extension kit for one heating
circuit with mixer
Check the extension kit and its coding
Incorrect operation in conjunction
with Vitosoft
Press reset keyĂ"
EU
" once
Burner control unit faulty
Replace PCB, LGM
Ă
29 burner control unit
Burner control unit parameter
fault
Replace PCB, LGM
Ă
29 burner control unit
ćć
Check the ignition module, the ignition
electrodes, the ionisation electrode and
cable harnessĂ"X
Ă
13" for damage
(see pageĂ97/98).
Check the electrode adjustment
(see pageĂ18, 21).
Check the flue gas system for leaks.
Then press reset keyĂ"
U
" once.
If this fault message persists when starting
burner, replace LGM
Ă
29 burner control unit.
Installation instructions for
LGM
Ă
29 burner control unitĂPCB
The safety chain (temperature
limiter) has activated or
insufficient heat is drawn off
Check the thermocouple (see pageĂ43).
Vent the whole system and check the
heating circuit circulation.
5692Ă485
G
B
Summary of Contents for Vitodens 200
Page 25: ...25 Initial start up inspection and maintenance 5692Ă485 GB ...
Page 96: ...96 Control unit for weather compensated mode with Comfortrol prog unit 5692Ă485 GB ...
Page 99: ...101 5692Ă485ĂGB ...
Page 105: ...109 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 107: ...111 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...
Page 109: ...113 Appendix Maint service Maint service Maint service Maint service 5692Ă485ĂGB ...