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Troubleshooting Chart—Gas, Steam, and Electric Dryers
See Air Switch Adjustment Sheet in Service Manual.
Replace Air Switch.
Check manifold pressure and adjust to pressure specified on
Rating Plate. If this pressure cannot be obtained, have gas
supplier check main pressure.
Dryer is orificed for type of gas specified on Rating Plate.
Check with gas supplier to determine specifications for gas
being used. If different from Rating Plate, Contact factory and
obtain proper orifices.
Turn power ON.
Replace relay.
Replace thermostat.
Replace thermostat.
CLOSE door.
OPEN for blue flame.
Blow out.
Adjust gas pressure per Rating Plate.
Send to factory for correct orifices.
Clean exhaust.
Replace Radiant Sensor.
Replace orifices. Check factory for correct size.
Dryer runs, but no heat.
(continued)
Main Burners burning
improperly.
Main Burner cycles ON and
OFF.
Low or high gas flame.
Air Switch out of
adjustment.
Air Switch defective.
Gas pressure too low.
Improper orifice.
Electric power to
heating unit turned
OFF.
Defective relay.
Defective thermostat.
Defective Safety
Overload Thermostat.
Lint compartment
door OPEN.
Burner Air Shutters
CLOSED.
Dirt in burner.
High gas pressure.
Orifice too large.
Restricted or blocked
exhaust.
Radiant Sensor
defective.
Incorrect Main Burner
orifices.
TROUBLE CAUSE REMEDY