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WARNING: ALL THE SERVICE PROCEDURES BELOW SHOULD BE EXECUTED WITH POWER OFF I.E. UNPLUGGED.
PROBLEM
Unit does not run.
Unit runs briefly, then
shuts off on overload.
Unit runs but vibrates
excessively.
Unit runs but makes a
scraping noise.
Motor makes noise
but fan does not turn.
07-00211E F174 F174-BLU
TROUBLESHOOTING
CAUSE
Switch not turned on.
No power at outlet.
Circuit is overloaded and panel circuit
breaker tripped.
Loose wiring.
Switch is broken.
Intake and/or exhaust grill(s) ob-
structed.
Excessive duct length.
Motor bearing or internal motor wiring is
faulty.
Dirt has built up on fan blade.
Severe jolt has bent motor shaft so unit
is out of balance.
Fan blade is damaged.
Severe jolt has deformed motor mount
so fan rubs.
Severe jolt has deformed the housing.
Severe jolt has deformed motor mount
so fan rubs.
Severe jolt has deformed the housing.
Capacitor wire is broken or loose, or ca-
pacitor has failed.
Roll pin locking fan to motor shaft is
faulty.
Turn on switch.
Check panel circuit breaker and check outlet
with receptacle tester.
Unload circuit and reset circuit breakers.
Check wiring and tighten as needed.
Replace switch.
Clean grill(s).
Shorten duct length.
Replace motor.
Clean fan blade
Replace motor. Replace fan blade if neces-
sary.
Replace fan blade.
Repair or replace the motor as necessary.
Replace the housing or entire unit as neces-
sary.
Repair or replace the motor as necessary.
Replace the housing or entire unit as neces-
sary.
Repair or replace the wires and/or the capaci-
tor as necessary.
Replace the roll pin.
3
SOLUTION
Dri-Eaz Products, Inc.
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