E02
Panasonic E02 Error Code – HIC Circuit Failure
Air Conditioner · CRITICAL Severity
What This Error Means
HIC circuit failure (Compressor/Fan circuit)
Diagnostic & Repair Steps
1
Power Off Immediately
Switch off at breaker. HIC circuit fault is critical.
Switch off at breaker. HIC circuit fault is critical.
RESET
~2 min
2
Refer to Detailed Diagnostics
Follow Panasonic detailed diagnostic procedure. ⚠️ Disconnect power first
Follow Panasonic detailed diagnostic procedure. ⚠️ Disconnect power first
CHECK
~20 min
3
Inspect Outdoor PCB
Check compressor/fan drive circuit for damage.
Check compressor/fan drive circuit for damage.
INSPECT
~15 min
4
Check Compressor Windings
Measure resistance and insulation.
Measure resistance and insulation.
TEST
~20 min
5
Replace Outdoor PCB or Compressor
Engage qualified technician.
Engage qualified technician.
REPLACE
~60 min
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