70
Check of outdoor fan motor
• Fan motor does not operate or stops operating shortly after starting the operation.
Yes
Yes
Yes
No
(Fixed to either 5V or 0V DC)
No
No
Disconnect CN932 and measure the
resistance of the outdoor fan motor.
Turn ON the power supply.
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 11-5.)
Does the outdoor fan motor rotate smoothly?
Does the voltage between each terminal become 5V DC and 0V DC
repeatedly?
Replace the outdoor fan motor.
Replace the outdoor electronic control P.C. board.
CN931
CN932
Outdoor electronic control
P.C. board
MXZ-3C/4C/5C
MXZ-3C54/3C68/4C71/4C80/5C100VA
Содержание MXZ-3C54VA
Страница 16: ...16 WIRING DIAGRAM 6 MXZ 3C54VA ...
Страница 17: ...17 MXZ 3C68VA ...
Страница 18: ...18 MXZ 4C71VA ...
Страница 19: ...19 MXZ 4C80VA ...
Страница 20: ...20 MXZ 5C100VA ...
Страница 21: ...21 MXZ 6C120VA ...