35
Troubleshooting
Cause
Check
Fan speed
Check flue gas system sizing against details
specified in Vitodens Technical Guide.
Check flue gas system for leaks and
Fan speed
Check flue gas system for leaks and
unrestricted flow.
Check cable connections to fan motorĂand
fan power supply (see pageĂ97/98).
The air pressure threshold for
ignition is not reached
Check differential pressure sensor
(see pageĂ40).
Check air damper.
Check flue gas system sizing against details
specified in Vitodens Technical Guide.
Check flue gas system for leaks and
unrestricted flow.
Check cable connections to fan motor and
fan power supply (see pageĂ97/98).
Fan speed
Check flue gas system sizing against
details specified in Vitodens Technical
Guide
Fan speed
Guide.
Check flue gas system for leaks and
unrestricted flow.
Chk
bl
ti
t f
t
d
Fan speed
Check cable connections to fan motor and
fan power supply (see pageĂ97/98).
The base level of the air pressure
threshold in standby position is
incorrect
Check differential pressure sensor
(see pageĂ40).
Check flue gas system sizing against details
specified in Vitodens Technical Guide.
Check flue gas system for leaks and
unrestricted flow.
Check cable connections to fan motor and
fan power supply (see pageĂ97/98).
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 ...