23
04/21
7019-802H
With proper installation, operation, and maintenance your appliance will provide years of trouble-free service. If you do
experience a problem, this troubleshooting guide will assist a qualified service person in the diagnosis of a problem and
the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician.
4
Troubleshooting Guide
SYMPTOM
POSSIBLE CAUSE
CORRECTIVE ACTION
Plug in appliance - No response.
No current to outlet.
7 amp fuse defective.
#3 snap disc tripped or defective.
Control box defective.
Check circuit breaker at service panel.
Replace fuse.
Reset or replace snap disc.
Replace control box.
Call light on. No fire.
No fuel in fire pot.
Out of fuel.
#2 snap disc may be defective.
Vacuum switch not closing, no vacuum.
Control box defective.
Check hopper. Fill with fuel.
Replace snap disc.
Check exhaust blower is plugged in and operating.
Check vacuum switch is plugged in.
Check vacuum hose is in good condition, clear and
connected at both ends.
Check thermocouple is in good condition and plugged
in properly.
Make sure venting system is clean.
Make sure front door is closed.
Replace control box.
Call light on. No fire.
Partially burned fuel in fire pot.
Fire pot clean-out plate not closed.
Fire pot is dirty (missed ignition).
Check that fire pot clean-out plate is fully closed.
Clean fire pot. Make sure there is no clinker in the
fire pot. See
Cleaning Firepot with Cleaning Rod &
Firepot Scraper
on
Clinkers may have to be broken up with fire pot clean-
out tool or other means.
Call light on. No fire.
Unburned pellets in fire pot.
Fire pot clean-out plate not closed.
Fire pot is dirty.
The ignition hole between the igniter bracket and fire pot is
blocked.
Igniter not working.
Control box defective.
Check that fire pot clean-out plate is fully closed.
Clean fire pot. Make sure there is not a clinker in the fire
pot. Clinkers may have to be pushed out of fire pot with
fire pot clean-out tool or other means.
Scrape with solid piece of wire.
Remove ash drawer to see if igniter is glowing red on
start-up.
Check igniter wires for good connection.
Replace igniter using 1/4 inch (6mm) male /female
spade connectors.
Replace control box.
Slow or smoky start-up.
Fire pot clean-out plate not closed.
Fire pot is dirty.
Excessive amount of fuel at start-up.
Dirty exhaust and/or venting system.
Check that fire pot clean-out is fully closed.
Clean fire pot. Make sure there is not a clinker in the fire
pot. Clinkers may have to pushed out of fire pot with fire
pot clean-out tool or other means.
Reduce feed rate using feed rate adjustment control rod
located inside hopper.
Check for ash build up in appliance, including behind
rear panels, firebox, heat exchanger, exhaust blower
and venting.
No call light. Appliance does not
begin start sequence.
Thermostat not set to a high enough temperature.
Snap Disc #3 tripped.
No power.
Fuse blown.
Connections at thermostat and/or appliance not making proper
contact.
Defective thermostat or thermostat wiring.
Control box defective.
Adjust thermostat above room temperature.
Reset snap disc.
Connect to power.
Replace fuse.
Check connections at thermostat and appliance.
Replace thermostat or wiring.
NOTE:
To test thermostat and wiring, use a
jumper wire at the thermostat block on
the appliance to by-pass thermostat and
wiring.
Replace control box.
Table 23.1
