Honeywell 17 troubleshooting answers
1 question with answers cited from the manufacturer manuals.
- 0Honeywell RM7800 Fault 17: Main flame failure in RUN, what to check?
Fault 17 on a Honeywell RM7800 series relay module indicates a main flame failure during the RUN cycle, at least 10 seconds after the main flame was established. This means the burner successfully lit, but the flame sign…