Haier BC-117A Series, Service Manual

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11
Maintenance Service and Trouble Shooting
1 When the refrigerator does not get cold at all
Instruction(diagnosis)
In upside down position,check for
continuity between terminal(2 and 6).
(1)Disconnect the power.
(2)Remove the leads from caprcitor
and,as a precaution discharge it by shorting
the terminals with an insulated screw driver.
YES
NO
Compressor
- motor lock
- inter-lay short of motor
Faulty compressor unit
- compressor
- refrigerator cycle
YES
!
Overload protector
Starting relay
Electrolytic capacitor
(at 115V)
NO
YES
YES
No continuity between terminals.
If normal,resistance drops to 0
temporarily & then rises to infinity.
YES
Check for continuity between
terminals(1 and 3).
YES
Does
compressor run?
YES
Does the refrigerated room
lamp illuminate when the
door is opened?
Check point
Thermostat
Starting relay
Is power
supplied to the
compressor?
NO
NO
Check the power
source and power
cord?
NO
NO
NO
In upright position,check for
continuity between terminals(2
and 5).
YES
Check it for continuity
YES
Cause of trouble Indication
The refrigerator remains unchilled
even after the compressor is
operational for more than 30 minutes.
Maintenance Service and Trouble Shooting