Service manual

TROUBLE SHOOTING GUIDE
HEATER ASSEMBLY
Problem Heating element is glowing red.
Probable Cause Normal operation or defective heating assembly.
Solution Small glowing sections of the element are considered
normal. If larger glowing sections are causing the
heater to trip the thermal cut out, unplug, discontinue
use and replace the heater assembly.
Service Manual Reference Page 11
Problem Heater is not turning on.
Probable Cause Defective switch or loose wiring or defective heater
assembly.
Solution Check all wiring for loose wiring connections,
repair/replace as necessary. If all wiring connections
are suitable check heater on/off switch & heater
assembly for proper operation. Replace as
necessary.
Service Manual Reference Heater on/off switch Page 10
Heater assembly Page 11
Problem Heater fan turns on but heater lacks heat.
Probable Cause Improper operation or defective thermostat or loose
wiring.
Solution See page 3 of the service manual for heater
thermostat operation. Check all wiring for loose wiring
connections, repair/replace as necessary. If all wiring
connections are suitable check heater thermostat for
proper operation. Replace as necessary.
Service Manual Reference Operation Page 3
Thermostat replacement Page 12
18