Service Manual

TESTING – DRYER
27” Stacked Laundry Center
n
4-3
For Service Technician Use Only
Dryer Troubleshoong Guide
Problem Possible Cause Checks & Tests
Won’t Power Up
• No operaon
• No buon
response
No power to dryer. Check power at outlet, check circuit breakers, fuses, or juncon
box connecons.
Connecon problem between AC
plug and power harness.
See Test #1: Supply Connecons, page 4-8.
Won’t Start Cycle
• No response when
Start buon is
pressed
Door not fully closed or striking the
door latch.
Be sure the door is completely closed, then press and hold the
START buon.
Door switch problem. See Test #5: Door Switch, page 4-14.
Drive belt/belt switch problem. See Test #2: Motor Circuit, page 4-9.
Thermal fuse/motor problem. See Test #2: Motor Circuit, page 4-9.
Won’t Shut O When
Expected
Poor airow. Check lint screen and exhaust vent. Clean if necessary.
Moisture sensor problem. See Test #4: Moisture Sensor, page 4-13 (long vent models
only).
Heat system problem. See Test #3: Heat System, page 4-10.
Drum Won’t Spin Drive belt/belt switch problem. See Test #2: Motor Circuit, page 4-9.
Thermal fuse problem. See Test #3a: Thermal Fuse, page 4-11.
Door switch problem. See Test #5: Door Switch, page 4-14.
Motor problem. See Test #2: Motor Circuit, page 4-9.
Won’t Heat Check Installaon. Verify proper dryer installaon.
Heat system malfuncon. See Test #3: Heat System, page 4-10.
Inline thermal fuse problem. See Test #3d: Inline Thermal Fuse, page 4-11.
Heats In Air Cycle Heater coil shorted. See Test #3: Heat System, page 4-10.
Heater relay shorted. See Test #3: Heat System, page 4-10.
Heater system problem. See Test #3: Heat System, page 4-10.
Shuts O Before
Clothes Are Dry
Lint screen full. Clean if necessary. Refer customer to Use and Care Guide.
Exhaust vent clogged. Clean if necessary. Refer customer to Use and Care Guide.
Moisture sensor problem. See Test #4: Moisture Sensor, page 4-13 (long vent models
only).