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B3. LED blinks 6 times with current strip (current trip).
Measures depending on the trip and the number of LED blinks
BlinkOFFBlinkBlink BlinkBlink Blink
Check the
protection
logic
Check for current
trip or if LED
blinks 6 times
(current trip)
Comp. operates
intermittently
Y
Is the comp. OK?
Replace the
compressor
N
Power
Reset
Y
Does the current
trip occur?
Check for leakage
and the cycle
Recheck the
inspection
procedure
Checking PCB Output
Y
Replace the
PCB
N
N
N
N
Y
Replace the
compressor
Repair the sealed
system
Y
Comp. does not operate
Has clogging
occurred in
the cycle?
N
Y
Purpose: To prevent overcurrent (overload prevention)
Cause: Abnormal environmental conditions such as high ambient temperature (43 or above) or machine room shielding,
failure in condenser fan, compressor, or PCB (damaged IPM element),
lack of th e oil in th e cylinder, defective cylinder or piston, outlet clogging, or foreign substance inside compressor
Logic: Restart every 6 minute after the compressor is turned off.
Rec
ord
Protection Logic