29
Troubleshooting
Cause
Check
DHW cylinder temperature sensor
Short circuit
or
Check the DHW cylinder temperature
sensor (see pageĂ39)
or
cable break
Incorrect coding at coding address Set the coding address 27 toĂ 0
g
g
27 (standard programming unit)
Incorrect coding at coding address Set the coding address 31 toĂ 0
g
g
31 (standard programming unit)
short circuit ć M clock thermostat Check M clock thermostat connections
M clock thermostat cable break
or
incorrect coding
Check M clock thermostat connections
Check coding
Short circuit ć WS/RS
remote control unit
Check the WS/RS remote control unit
Cable break ć WS/RS
remote control unit or
incorrect coding
Check the WS/RS remote control unit
Check coding
BUS fault
Check the seating of circuit boardĂVRĂ20.
Check the BUS connection on
plugĂ"X
Ă
5.3
Ă
Ć
Ă
X
Ă
5.4" (e.g. extension kit for
heating circuit with mixer or Vitocom) for
correct connection and function (if
necessary, disconnect the wires for fault
finding purposes)
Internal BUS connection break
finding purposes).
Check the variable speed heating circuit
pump and its connecting cables.
Check the DIP switch settings are correct
on LGM
Ă
29 circuit board.
KMĂBUS fault to Vitocom
Check connections or Vitocom
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 ...