44
Fault
Cause of fault
Measure
Flame tears off during op-
eration
Intake strainer of gas train
soiled
Remove flange. Clean strainer. See page 26.
Flue gas temperature too
high
Excessive gas throughput
Adjust gas throughput in accordance with the rated
boiler heating output. Checking the condition of the
heating surfaces. Clean if necessary.
Troubleshooting
Faults without fault display
(cont.)
5833296
Diagnosis