79
Check of outdoor fan motor
• Fan motor does not operate or stops operating shortly after starting the operation.
Disconnect CN932 and measure the
resistance of the outdoor fan motor.
Turn ON the breaker.
Rotate the outdoor fan motor manually and
measure the voltage of CN931.
Between (+) and (-)
Between (+) and (-)
Between (+) and (-)
Is the resistance of outdoor fan motor
normal? (Refer to 12-5.)
Does the outdoor fan motor rotate smoothly?
Does the voltage between each terminal
become 5 V DC and 0 V DC repeatedly?
Replace the outdoor fan motor.
Replace the inverter P.C. board or the outdoor
control P.C. board.
No
Yes
Yes
No
Yes
No
Connector
MXZ-2F
CN931
CN932
Inverter P.C. board
MXZ-2F33VF/2F42VF/2F53VF/2F53VFH
OBH790
Содержание MXZ-2F33VF
Страница 22: ...22 OUTLINES AND DIMENSIONS 6 MXZ 2F33VF MXZ 2F42VF MXZ 2F53VF MXZ 2F53VFH Unit mm OBH790 ...
Страница 25: ...25 WIRING DIAGRAM 7 MXZ 2F33VF E1 ET1 MXZ 2F42VF E1 ET1 MXZ 2F53VF E1 ET1 OBH790 ...
Страница 26: ...26 MXZ 2F53VFH E1 OBH790 ...
Страница 27: ...27 MXZ 3F54VF E1 ET1 MXZ 3F68VF E1 ET1 OBH790 ...
Страница 28: ...28 MXZ 4F72VF E1 ET1 OBH790 ...
Страница 93: ...93 OBH790 ...