SECTION VII

TROUBLESHOOTING

WARNING: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS SUPPLY or THE STEAM SUPPLY BEFOREANY COVERS or

GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, or TESTING OFANY EQUIPMENT per OSHA(Occupational Safety and HealthAdministration)

STANDARDS.

The information provided will help isolate the most probable component(s) 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...not necessarily the suspected component itself. Electrical parts should always be checked for failure before being returned to the factory.

IMPORTANT: When replacing blown fuses, the replacement must be of the exact rating as the fuse being replaced. The information provided should not be misconstrued as a handbook for use by an untrained person in making repairs.

WARNING: ALL SERVICE and TROUBLESHOOTING SHOULD BE PERFORMED BYA QUALIFIED PROFESSIONAL or SERVICE AGENCY.

WARNING: WHILE MAKING REPAIRS, OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE DRYER or SPECIFIED IN THIS MANUAL.

A.No L.E.D. (light emitting diode) display on microprocessor controller (computer)...

1.Open circuit breaker switch or blown fuse.

2.Tripped blower motor overload.

3.Faulty wiring connection.

4.Faulty transformer.

5.“EMERGENCY STOP” (E-Stop) button is depressed.

6.Faulty microprocessor controller (computer).

B. Computer will not accept keypad (touchpad) entries...

1.Keypad (touchpad) ribbon is not plugged into computer securely.

2.Faulty keypad (touchpad).

3.Faulty microprocessor controller (computer).

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ADC ML-82 service manual Troubleshooting, Computer will not accept keypad touchpad entries