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• When cooling, heat exchanger of non-operating indoor unit frosts.
• When heating, non-operating indoor unit get warm.
D D Check of LEV
Turn ON the 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 your hand?
No
Disconnect the connectors.
CN791: LEV A, CN792: LEV B, CN793: LEV C,
CN795: LEV E, CN796: LEV F
Is there normal resistance to LEV coil?
No
Replace LEV coil.
Yes
Normal
Yes
Replace the outdoor electronic control P.C. board.
49
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