SECTIONVII
TROUBLESHOOTING
IMPORTANT: YOU MUST DISCONNECTAND 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 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...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 PROFESSIONALOR SERVICEAGENCY.
WARNING: WHILE MAKING REPAIRS, OBSERVEALLSAFETY PRECAUTIONS DISPLAYED ON THE DRYER OR SPECIFIED IN THIS MANUAL.
MICROPROCESSOR CONTROLLER (COMPUTER) MODELS
A.No light emitting diode (L.E.D.) display...
1.Service panel fuse blown or tripped breaker.
2.Blown control circuit L1 or L2
3.Failed microprocessor controller (computer).
4.Failed step down transformer (for models 380 volts or higher only).
B.Drive motor is not operating (does not start)...
1.Failed drive motor contactor (relay).
2.Failed arc suppressor (A.S.) board (for reversing models only).
3.Failed drive motor.
38