Troubleshooting – Maytag MDG-30 User Manual

Page 41

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37

SECTION VII

TROUBLESHOOTING

IMPORTANT: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and

THE GAS SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED

FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING,

ADJUSTING, INSTALLATION, or TESTING OF ANY EQUIPMENT per

OSHA (Occupational Safety and Health Administration) STANDARDS.

The information provided will help isolate the most probable components associated with the difficulty

described. The experienced technician realizes, however, that a loose connection or broken/ shorted wire may be

at fault where electrical components are concerned and not necessarily the suspected component itself.

Electrical parts should always be checked for failure before being returned to the factory.

The information provided should not be misconstrued as a handbook for use by an untrained person making

repairs.

IMPORTANT: When replacing blown fuses, the replacement must be of the exact rating as the fuse

being replaced.

WARNING: ALL SERVICE and TROUBLESHOOTING SHOULD BE PERFORMED BY

A QUALIFIED PROFESSIONAL OR SERVICE AGENCY.

WARNING: WHILE MAKING REPAIRS, OBSERVE ALL SAFETY PRECAUTIONS

DISPLAYED ON THE DRYER or SPECIFIED IN THIS MANUAL.

M

ICROPROCESSOR

(C

OMPUTER

) M

ODELS

A. No L.E.D. (light emitting diode) display

1. Service panel fuse blown or tripped breaker.

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

3. Failed microprocessor controller (computer).

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

B. Drive motor not operating (does not start)

1. Failed drive motor contactor (relay).

2. Failed drive motor.

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