20
Trouble
Possible Cause
Solution
Too Little Heat
Fire is out
Low water level or water leaks
Power failure
Circulating pump failure
Air traps in system
Fan is not running
Add wood/build fire
Check leaks then ad water
Check electrical circuits
Check pump
Vent System
Inspect fan/replace
Too Much Heat
Draft damper actuator stuck in open
position
Air leaking through wood door
Aquastat malfunction
Thermostat inside house malfunction
Ash door not shut tight
Clean, lube and re-install
Clean metal to metal surface
Check Aquastat
Check Thermostat
Check gasket on ash door
Water Boiling
Fan running constantly
Aquastat malfunction
Wood door open
Damper actuator lid stuck open
Aquastat malfunction
Check Aquastat
Close door tightly
Clean, lube and re-install
Creosote Buildup
Air leaking though wood door
Chimney not insulated or damaged
Burning high pitch bearing wood such as
Pine or Balsam
Clean metal to metal surfaced
Insulate or repair chimney
insulation
Use mix of dry and harder wood
such as Poplar, Birch Tamarack,
Oak, Elm, Ash, etc.