COMPLAINT

CAUSE

REMEDY

 

 

 

Fan motor will not run.

No power

Check voltage at outlet. Correct if none.

 

 

 

 

Power supply cord

Check voltage to rotary switch. If none, check

 

 

power supply cord. Replace cord if circuit is open.

 

 

 

 

Rotary switch

Check switch continuity. Refer to wiring diagram

 

 

for terminal identification. Replace switch if

 

 

defective.

 

 

 

 

Wire disconnected or

Connect wire. Refer to wiring diagram for terminal

 

connection loose

identification. Repair or replace loose terminal.

 

 

 

 

Capacitor (Discharge

Test capacitor.

 

capacitor before testing.)

Replace if not within ±10% of manufacturer's

 

 

rating. Replace if shorted, open, or damaged.

 

 

 

 

Will not rotate

Fan blade hitting shroud or cross flow fan hitting

 

 

scroll. Realign assembly.

 

 

Units using slinger ring condenser fans must

 

 

have 1/4 to 5/16 inch clearance to the base. If it is

 

 

hitting the base, shim up the bottom of the fan

 

 

motor with mounting screw(s).

 

 

Check fan motor bearings; if motor shaft will not

 

 

rotate, replace the motor.

 

 

 

Fan motor runs

Revolves on overload.

Check voltage. See limits on this page. If not within

intermittently

 

limits, call an electrician.

 

 

Test capacitor.

 

 

Check bearings. Does the fan blade rotate freely?

 

 

If not, replace fan motor.

 

 

Pay attention to any change from high speed to

 

 

low speed. If the speed does not change, replace

 

 

the motor.

 

 

 

Fan motor noise.

Grommets

Check grommets; if worn or missing, replace them.

 

 

 

 

Fan

If cracked, out of balance, or partially missing,

 

 

replace it.

 

 

 

 

Turbo fan

If cracked, out of balance, or partially missing,

 

 

replace it.

 

 

 

 

Loose set screw

Tighten it.

 

 

 

 

Worn bearings

If knocking sounds continue when running or

 

 

loose, replace the motor. If the motor hums or

 

 

noise appears to be internal while running,

 

 

replace motor.

 

 

 

Copyright ©2008 LG Electronics. Inc. All right reserved.

- 41 -

Only for training and service purposes

LGE Internal Use Only

 

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LG Electronics LP091HEM-Y8 manual Complaint Cause Remedy
Page 40 Page 42

LP091HEM-Y8 specifications

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