7.V-belts too tight or too loose.

8.Tumbler bearing set screws are loose.

9.Failed motor bearing.

TIMER MODELS

A. Dryer will not start...both drive motor and blower (impellor/fan) motor are not operating and

indicator light is off...

1.Service panel fuse blown or tripped breaker.

2.Dryer control circuit L1 or L2 1/2-amp (Slo Blo) fuse is blown.

3.Open in main door switch ...

a.Main door is not closed all the way.

b.Main door switch is out of proper adjustment.

c.Failed main door switch.

d.Broken connection/wire somewhere in the main door switch circuit.

4.Failed push-to-start relay.

5.Failed 24 VAC step down transformer or a fault in the wiring.

6.Failed heat timer.

7.Failed control step down transformer (for 380 volts or higher models ONLY).

B.Drive motor is not operating (does not start)...

1.Failed drive motor contactor (relay).

2.Failed reversing timer (for Reversing Models ONLY).

3.Failed drive motor.

C.Drive motor (Reversing Models ONLY) operates in one direction only... stops and restarts in the same direction...

1.Failed reversing contactor (relay).

2.Failed reversing timer.

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Image 59
American Dryer Corp MDG-75 manual Timer Models