78
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.
CN791: LEV A, CN792: LEV B, CN793: LEV C,
CN794: LEV D, CN795: LEV E, CN796: LEV F.
Is there normal resistance to LEV coil?
(Refer to 11-5.)
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 gets warm.
CN791
CN792
CN793
CN794
CN795
CN796
Outdoor
electronic
control
P.C. board
MXZ-2B
MXZ-3B/4B/5B
Inverter
P.C. board
OBH554D
Содержание MXZ-2B30VA
Страница 19: ...19 WIRING DIAGRAM 6 MXZ 2B30VA MXZ 2B40VA MXZ 2B52VA TB3 TB2 TB1 OBH554D ...
Страница 20: ...20 MXZ 3B54VA OBH554D ...
Страница 21: ...21 MXZ 3B68VA OBH554D ...
Страница 22: ...22 MXZ 4B71VA OBH554D ...
Страница 23: ...23 MXZ 4B80VA OBH554D ...
Страница 24: ...24 MXZ 5B100VA OBH554D ...