Mitsubishi Electric MSZ-EF VE Series Service Manual page 97

MXZ-3D54VA/3D54VA2/3D68VA/4D72VA/4D83VA/5D102VA
Check the main power supply circuit for proper connections.
Turn ON the breaker.
Is there voltage of 230 VAC in the
power supply terminal block?
Yes
Is the output voltage from the noise
filter P.C. board 230 VAC?
Yes
Is the input voltage to the power P.C.
board 230 VAC?
Yes
Is the input voltage to the outdoor
electronic control P.C. board 325 VDC?
Yes
Replace the outdoor control P.C. board.
OBH626E
No
Check the power supply and correct them.
No
Replace the noise filter P.C. board.
No
Replace the reactor.
No
Replace the outdoor power P.C. board.
97