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All rights reserved. Only training and service purposes.
3. What to do per LED Blinking and Trip protection logic
(3) No Connect Trip and LED Blinking 3 times (No Connection Trip)
→ Purpose : Prevention Over-Voltage and Over-Current by detecting connection error check.
→ Harness connection failure between PCB, Comp, Capacitor.
Comp. insulation breakdown.
→ Logic : After the Comp. Off every 40 seconds restart Comp.
Blink Blink Blink BlinkBlinkBlink OFF OFF
Y
Y
Check
the Protection Logic
Check
No Connect or
LED blinking 3 times
(No Connect Trip)
Do not operate
Comp.?
Y
N
Check Comp.
Replace
Compressor
N
Reset
No Connect Trip
occur?
Replace PCB
Y
Recheck
Check
Harness connection
Repair Harness
N
N
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