66
D
D
Check of LEV
No
Yes
No
Yes
Turn on power supply to the outdoor unit after checking LEV coil is mounted to the
LEV body securely.
Is "click - click" sound heard?
Or, do you feel vibration of LEV coil with a hand?
Disconnect the connector
CN791: LEV A, CN792: LEV B, CN793: LEV C,
CN794: LEV D, CN795: LEV E.
Is there normal resistance to LEV coil?
Normal
Replace the inverter P.C. board or
the outdoor electronic control P.C. board.
Replace LEV coil.
• When cooling, heat exchanger of non-operating indoor unit frosts.
• When heating, non-operating indoor unit get warm.
LED display:
LED1
LED2
Lighting
Lighting
Lighting
Once
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