ADC AD-78 - Manual (Page 62)

5. Loose m otor m ount.
6. Failed idler bearings or basket (tum bler) bearings.
7. V-belts too tight or too loose.
8. Tum bler bearing set screws are loose.
9. Failed m otor bearing.
TIMER MODELS
A. Dryer will not start...both drive motor and blower (impellor/fan) motor are not operating
and indicator light h off...
1. Service panel fuse blown or tripped breaker.
2. Dryer control circuit LI or L2 1/2-am p (slo bio) fuse is blow n.
3. O pen in m ain door switch ...
a. M ain door is not closed all the way.
b. M ain door switch is out of proper adjustm ent.
c. Failed m ain door switch.
d. Broken connection/wire som ewhere in the m ain door switch circuit.
4. Failed push-to-start relay.
5. Failed 24 VAC step down transform er or a fault in the wiring.
6. Failed heat tim er.
7. Failed control step down transform er (for 380 volts or higher models ONLY).
B. Drive motor is not operating (does not start)...
1. Failed drive m otor contactor (relay).
2. Failed reversing tim er (for Reversing Models ONLY).
3. Failed drive m otor.
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 tim er.
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