lassele LFT-1471E, Руководство по обслуживанию

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Ⅴ. Service Diagnosis
A. Diagnosis Chart
Problem Possible Cause Remedy
1. Compress will
not
start - no
current
draw. 1. Power Switch
1. "OFF" position. 1. Move to "ON' position.
2. Loose connection. 2. Tighten.
3. Failure. 3. Call electrician.
2. Cord and Plug 1. Defective. 1. Replace.
3. Ground Fault Circuit
interrupter
1. Tripped. 1. Check and reset.
2. Defective. 2. Replace.
4. Voltage
1. Too low. 1. Call electrician.
2. Too hige. 2. Call electrician.
5. Wiring to Control Board
1. Loose connection. 1. Tighten.
2. Faulty.
2. Check continuity
and replace.
6. Transformer 1. Open coil winding.
1. Check continuity
and replace.
7. Control Board 1. Defective. 1. Replace control board.
8. Compressor Overload 1. Defective. 1. Replace.
9. Compressor 1. Open windings.
1. Check continuity
and replace.
10. Relay(Compressor) 1. Bad contacts. 1. Replace.
2. Open coil winding. 2. Check and replace.
2. Compressor
will
not run -
draws
current and
trips
on overload. 1. Voltage 1. Too low. 1. Call electrician.
2. Start Relay 1. Bad contacts. 1. Replace.
2. Open coil winding. 2. Replace.
3. Compressor 1. Locked rotor. 1. Replace.
4. Start Capacitor 1. Defective. 1. Check and replace.
3. Compressor
runs
intermittently
and trips on
overload. 1. Voltage
1. Too low. 1. Call electrician.
2. Too hige. 2. Call electrician.
2. Refrigerant Line or
Component 1. Plugged or restricted. 1. Clean and replace filter
3. Condenser Fan Motor 1. Failed. 1. Replace.
4. Refrigerant
1. Overcharged. 1. Evacuate and recharge
2. Non-condensible
in system 2. Evacuate and recharge
5. Location of Unit
1. Restricted air flow to
condenser. 1. Move unit or increase
ventilation.