23
04/21
7058-805F
Symptom
Possible Cause
Corrective Action
Convection blower fails
to start.
No call light.
#1 snap disc defective.
Blower not plugged in.
Blower is defective.
Control box is defective.
Defective control box.
Replace snap disc.
Check that blower is plugged into wire
harness.
Replace blower.
Replace control box.
Exhaust blower fails to
start or does not shut off.
Blower not plugged in.
Blower is clogged with ash.
Blower is defective.
Control box is defective.
Check that blower is plugged into wire
harness.
Clean exhaust system.
Replace blower.
Replace control box.
Large, lazy flame, orange
color. Black ash on glass.
Dirty appliance.
Poor fuel quality, high ash content.
Fire pot clean-out plate not completely
closed.
Excessive amount of fuel.
Clean appliance, including fire pot, heat
exchangers and venting system. Remove
stainless steel baffle from firebox to clean
ash from on top of baffle. Clean behind rear
brick panels. Change fuel brand to premium.
Check that fire pot clean-out plate is fully
closed.
Reduce feed rate using feed rate adjustment
control rod located inside hopper.
Nuisance shutdowns.
Low flame.
Sawdust buildup in hopper.
Feed motor is reversing.
Defective thermocouple.
Defective control box.
Fire pot more than 1/2 full
Increase feed by opening feed rate
adjustment control rod located inside
hopper.
Clean hopper, see
.
Check for good connections between feed
motor and wire harness.
Replace thermocouple.
Replace control box.
See
for detailed instructions for
“High Ash Fuel Content Maintenance”.
Appliance calls for heat.
Call light illuminates.
Exhaust blower starts.
No feed or igniter.
Thermocouple is defective or not properly
plugged in.
Defective control box
Check connections on thermocouple or
replace if defective.
A flashing yellow light on the control box
indicates a problem with the thermocouple.
Replace control box.
Table 23.1
