44
SECTION X
TROUBLESHOOTING
WARNING: 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 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 suspect 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 BY A
QUALIFIED PROFESSIONAL or SERVICE AGENCY.
WARNING
: WHILE MAKING REPAIRS, OBSERVE
ALL
SAFETY PRECAUTIONS
DISPLAYED ON THE DRYER or SPECIFIED IN THIS MANUAL.
MICROPROCESSOR CONTROLLER (COMPUTER) MODELS
A.
No light emitting diode (L.E.D.) display (for microprocessor controller [computer] models
ONLY)...
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 control step down transformer
(for 380 volts or higher models ONLY)
.
B.
Drive motor is
not operating (does
not
start)...
1. Microprocessor controller (computer) motor indicator dot and relay output L.E.D. indicator dots are on...
a. Failed drive motor contactor (relay).