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Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless
testing requires power.
Will Not Run
Will not start or run:
- All wires are hooked up to their corresponding
terminals.
- Dryer is plugged in.
- Blown fuse or circuit breaker.
- Door switch functional...door closed.
- Start/Pause switch functional.
- Control Board operational.
- Drive motor functional.
- Blown thermal fuse.
Motor runs/ tumbler will not turn:
- Belt off or broken/damaged.
- Idler tension spring too weak or stretched.
- Idler pulley jammed or stuck.
Runs a few minutes and then stops:
- Lint buildup around drive motor.
- Low voltage present.
- Blower impeller blocked in blower
housing.
- Drive motor - start switch contacts stuck closed.
Blows fuses or trips circuit breaker:
- The amperage readings are at 240 volts. One line
will be 24 amps and the other line will be 21 amps.
The neutral line will be at 3 amps. If the above
amperages are present, then the house wiring, fuse
box or circuit breaker should be suspect.
- Shorted heating element to housing.
- Incorrect wiring or a wire shorting to ground.
- Drive motor winding shorting to ground.
Will Not Dry
Will not heat (motor runs):
- Open heating element.
- Hi-Limit trips easily or is open.
- Regulating thermostat trips easily or is open.
- Membrane switch open.
- Drive motor centrifugal start switch not allowing
voltage to heating element.
Improper drying/clothes wrinkled/ rough
texture/long dry time:
- Lint filter is not clean.
- Restriction in exhaust.
- Outside exhaust hood damper door stuck closed.
- Exhaust too long, too many elbows, flex ductwork
installed.
- Poor makeup air available for the dryer.
- Incorrect tumbler speed. Tumbler belt slipping.
- Blower impeller bound; check for foreign material in
blower area.
- Customer overloading dryer.
- Check clothing labels for fabric content and cycle
selected.
- Clothes too wet due to insufficient spin out by
washer.
Will Not Shut Off
Short in Sensor Circuit.
Check Membrane Pad.
Check Electronic Control Board.
Troubleshooting the electronic
control circuit:
- Check for miswiring of the electrical connector at the
electronic control board.
16026775
!
WARNING
- Does not shut off, then the problem is in the
electronic control unit. Disconnect the sensor wire
from the sensor bar. If the dryer runs for about 20
minutes, then shuts down or the timer advances,
then the electronic control unit is good and the
problem lies in the sensor bar.
- Check sensor for continuity. If found, replace sensor
bar or clean with alcohol. Some fabric softener
sheets will coat the sensor bars.
Noisy and/Or Vibration
- Thumping Check for loose tumbler baffle, rear
tumbler roller(s) worn or misaligned, out-of-round
tumbler or high weld seam on tumbler.
- Ticking Check for loose wire harness or object
caught in blower wheel area.
- Scraping Check for front or rear bulkhead felt seal
out of position or worn tumbler front bearings.
- Roaring Check for blower wheel rubbing on blower
housing or bad motor bearings.
- Popping or squealing sound . Check for a sticky or
frayed belt.
Display shows 18 or other unexpected display :-
- If a consumer inadvertently presses the hidden
switch when a cycle is not running, there will be an
audible beep and the display will change to 18. The
Start Pause LED will flash.
If a consumer inadvertently presses the hidden
switch when a cycle is running, there will be an
audible beep and the display will change to 18. The
machine will run an 18 minute cycle.
2
September 2006
©2006 Maytag Services
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