Harman® • P42i Owner’s Manual • 2023 -___ • 03/23
28
8742-900A
ISSUES
SOLUTIONS
Stove does not feed
• No fuel in hopper.
• Firebox draft may be too low for sensing switch in feeder
circuit to operate.
Check for closed doors
, loose or missing
gasket on doors or hopper lid.
• Feed motor will not run until the ESP control senses a
certain temperature. Maybe you did not put enough fuel or
starting gel in the burn pot before manually lighting the fire
(In Constant Burn, Manual Light Only.)
• Restriction in the hopper or feeder. Remove all fuel and
examine. Clear the obstruction.
• Feed motor has failed.
Partially burned pellets
• Feed rate too high.
• Poor air to fuel mixture. (Check burn pot clean-out cover
and air intake).
• Burn pot may need to be cleaned.
• Combination of all the above.
Smoke smell
Seal the vent pipe joints and connection to stove with silicone.
The exhaust vent is the only part of the system that is under
positive pressure.
Fire has gone out
• No fuel in hopper.
• Draft is too low, blocked flue.
• Something is restricting fuel flow.
• Hopper lid not closed properly.
• Feed motor or combustion fan has failed.
Smoke is visible coming out of vent
• Air-fuel ratio is too rich.
- Feed rate too high.
- Draft too low caused by a gasket leak.
Low heat output
• Feed rate too low
• Draft too low because of gasket leak.
• Poor quality or damp pellets
• Combination of 1 and 2.
E. Troubleshooting
