64
Check of power supply
Outdoor unit does not operate.
Turn ON the power supply.
No
Yes
Yes
No
Yes
No
Yes
No
Replace the power board.
Check the main power supply circuit for proper connections.
Is there voltage of 230V AC in the
power supply terminal block?
Is the output voltage from the noise
filter P.C. board 230V AC?
Is the input voltage to the outdoor
electronic control P.C. board 325V DC?
Check the power supply cable.
Replace the outdoor electronic control
P.C. board.
Replace the noise
filter P.C. board.
Is the input voltage to the power board
230V AC?
Replace the reactor.
11-6. TROUBLESHOOTING FLOW
MXZ-3C54/3C68/4C71/4C80/5C100VA
Turn ON the power supply.
No
Yes
Yes
No
No
Yes
Check the main power supply circuit for proper connections.
Is there voltage of 230V AC in the
power supply terminal block?
Is the output voltage from the power
board 325V DC?
Check the power supply cable.
Replace the power board.
Turn OFF the power supply and recconnect the reactor
Replace the outdoor control P.C. board.
Is the reactor short-circuited?
Replace the reactor.
MXZ-6C120VA
Summary of Contents for MXZ-3C54VA
Page 16: ...16 WIRING DIAGRAM 6 MXZ 3C54VA ...
Page 17: ...17 MXZ 3C68VA ...
Page 18: ...18 MXZ 4C71VA ...
Page 19: ...19 MXZ 4C80VA ...
Page 20: ...20 MXZ 5C100VA ...
Page 21: ...21 MXZ 6C120VA ...