LG LRMDC2306 Series, Руководство по обслуживанию

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5. L/Piston Trip and LED Blinking 5 times (Locked Piston)
Protection Logic
Protection Logic
Blink Blink Blink Blink Blink OFF
Check
the Protection Logic
Check the L/Piston or
LED blinking 5 times
(Locked Piston Trip)
Do not operate
Comp.?
Recheck
Reset
Do not operate
Comp.?
N
Y
Replace
Compressor
Clogging the Cycle?
N
Y
Repair
Sealed system
→
Purpose : Detect locked piston.
→
Cause : Oil shortage of the cylinder, Cylinder or Piston damage, clogging the discharge, Comp. internal debris.
→
Logic : After the Comp. Off every 2 min 30 seconds restart Comp.
6. Current Trip and LED Blinking 6 times (Current Trip)
Blink Blink Blink Blink Blink Blink OFF
Check
the Protection Logic
Check the Current or
LED blinking 6 times
(Current Trip)
Compressor is operate
intermittently
Y
Check the
Compressor failure
Replace
Compressor
N
Reset
Y
Current trip
occur?
Check the
leakage and cycle
Recheck
Check the
PCB output
Y
Replace PCB
N
N
N
N
Y
Replace
Compressor
Repair
Sealed system
Y
Do not operate
Comp.?
Clogging the Cycle?
N
Y
→
Purpose : Protection Over-Current(Over-Load)
→
Cause : Abnormally ambient temperature(Over 43
℃
), Abnormally conditions like Shield machine room etc.
Condenser Fan failure, Comp. failure, PCB failure(IPM breakdown)
Oil shortage of the cylinder, Cylinder or Piston damage, clogging the discharge, Comp. internal debris.
→
Logic : After the Comp. Off every 6 minutes restart Comp.
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