Service Manual
89
Check of LEV
No
Yes
No
Yes
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?
Disconnect the connectors.
MXZ-2C
CN791: LEV A, CN792: LEV B,
CN797: LEV R (MXZ-2C20NA2)
MXZ-3C/4C/5C
CN791: LEV A, CN792: LEV B, CN793: LEV C
CN794: LEV D (MXZ-4C/5C),
CN795: LEV E (MXZ-5C),
Is there normal resistance to LEV coil?
(Refer to 11-5.)
Normal
Replace the outdoor control P.C. board.
Replace LEV coil.
• When cooling, heat exchanger of non-operating indoor unit frosts.
• When heating, non-operating indoor unit gets warm.
CN791
CN792
CN793
CN794
CN795
CN797
Outdoor
control
P.C. board
OBH702F