68 Part Number 80-1479-3 10/10
Mechanical Timer Diagnostics
1. Check for line voltage at the timer motor.
(Evaporator thermostat completes timer Motor
Circuit. If no voltage is present refer to evaporator
thermostat diagnostics.)
2. If timer has voltage and does not move:
Check motor windings.
If windings are open or have resistance and timer
does not move, replace timer.
3. If timer cam moves:
Check micro switch for voltage.
Check micro switch for continuity.
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