After setting the thermostat, and getting initial start/heat, reaches set temp, shuts down, ... then doesn't come back on. If I turn it off/on at the thermostat, it comes back on. Sometimes it works correctly all day, but then it stops cycling. Another occasional problem, it will cycle on/off 30-45 seconds and keeps doing that, even when I turn it off at the thermostat. Sail switch works, so circuit board or what? HELP!
Suburban SF-42
- Thread starter VA Paul
- Start date
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Punomatic
Well-known member
Check the service manual here.
