ADC AD-78 User Manual
Page 63
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D. Drive motor operates okay for a few minutes, then stops and will not restart...
1. M otor is overheating and tripping out on internal overload protector ...
a. M otor air vents clogged with lint.
b. Low voltage to m otor.
c. Failed m otor.
d. Tum bler (basket) is binding...check for em obstruction.
e. Failed idler bearings or tum bler bearings.
E. Blower/Fan motor is not operating (does not start)...
1. Failed blower (im pellor/fan) m otor contactor (relay).
2. Failed blower (fan/im pellor) m otor.
E Blower/Fan motor operates okay for a few minutes, then stops and MU not restart...
1. M otor is overheating and tripping out on internal overload protector ...
a. M otor air vents clogged with lint.
b. Low voltage to m otor.
c. Failed m otor.
d. Failed blower (im pellor/fan)...out of balance.
G. Both drive motor and hlower (impellor/fan) motor
(Reversing Models ONLY)
not operating
(do not start) and indicator light
is on...
1. Fault at LI or L2 term ination(s) between the term inal block and contactors (relays).
2. Failed contactors (both blower [fan/im pellor] and drive).
3. Failed m otors (both blower [fan/im pellor] m otor and drive m otor).
H. Heating unit is not operating (no heat)...no voltage at heating unit (i.e..
Gas M odel
> Hot
Surface Ignition [HSI] module.
Electric Model -
electric oven contactor, or
Steam M odel
-
steam damper system pneumatic solenoid) when dryer is first started...
GAS MODELS...
1. Fault in sail switch circuit...
a. Sail switch is out of adjustm ent or has failed.
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