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MICROPROCESSOR (COMPUTER) MODELS
A. No L.E.D. (light emitting diode) display (for microprocessor [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. (light emitting diode)
indicator dots are on ...
a. Failed drive motor contactor (relay).
b. Failed arc suppressor (A.S.) board (for Reversing Models ONLY).
c. Failed drive motor.
2. Microprocessor controller (computer) motor indicator dot and relay output L.E.D. (light emitting diode)
indicator dots are on, but motor output L.E.D. indicator is off ...
a. Failed microprocessor controller (computer).
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 arc suppressor (A.S.) board.
3. Failed microprocessor controller (computer)...check output indicator.
D. Drive motor operates okay for a few minutes, then stops and will not restart...
1. Motor is overheating and tripping out on internal overload protector ...
a. Motor air vents clogged with lint.
b. Low voltage to motor.
c. Failed motor.
d. Tumbler (basket) is binding...check for an obstruction.
e. Failed idler bearings or tumbler bearings.
f. Failed blower (impellor and fan)...out of balance (for Non-Reversing Models ONLY).