Troubleshooting Procedures

!W ARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Single Dryer Troubleshooting Guide

 

 

 

Open gas supply valves

 

 

Unplug dryer. Check

 

Dryer Will

 

 

for gas dryer (Gas Dryer

 

 

wiring and terminations

 

 

 

Only) . Check all circuit

 

 

between control board,

 

Not Heat

breakers and fuses that

 

 

heater relay, heater,

 

 

 

 

feed electric dryer.

 

 

thermostats and motor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the 140 deg. thermostat.

No

Does the help

 

Plug the dryer in. Allow

mode show that

 

the thermostats to cool.

the 140 deg.

 

Ensure that they are

 

thermostat is

 

close to room

closed?

 

temperature.

Yes

If the problem still exists, replace the control board.

Replace the

 

 

 

155 deg.

 

 

No

 

 

thermostat

 

 

 

 

 

 

 

 

 

 

Unplug the dryer does the high limit thermostat show continuity

Yes

Unplug the dryer . does the 155 deg. thermostat show continuity?

Replace high

No limit thermostat.

 

 

 

 

Unplug dryer. At room

 

 

 

 

 

 

 

temperature is the

 

 

 

 

 

 

resistance of the heating

 

 

Yes

 

 

 

 

 

 

 

element less than 20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ohms? (Electric dryer

 

 

 

 

 

 

 

only)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check motor centrifugal

 

 

 

 

 

 

 

switch and replace if

 

 

 

 

 

 

 

necessary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inspect the heater relay

 

 

 

 

 

 

and replace if necessary

 

 

 

 

 

 

 

(Electric Dryer only)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If problem persists,

 

 

 

 

 

 

 

 

replace the control

 

 

 

 

 

 

 

 

board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the

No

 

 

 

 

heater coil

 

 

 

 

 

 

 

 

 

 

©2004 Maytag Appliances Company

16022904 Rev. 0

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Maytag MDE/MDG21PNA, MDE/MDG21PRA, MDE/MDG21PDA, MDE/MDG21PDD, MDE/MDG21PND, MLE/MLG23PDF, MLE/MLG23PRA Not Heat, Dryer Will