Mitsubishi Electric MXZ-2D33VA-E1 Service Manual page 79

MXZ-3D54VA/3D68VA/4D72/4D83VA/5D102VA
Check the main power supply circuit for proper connections.
Turn ON the breaker.
Is there voltage of 230V AC in the
power supply terminal block?
Yes
Is the output voltage from the noise
filter P.C. board 230V AC?
Yes
Is the input voltage to the power P.C.
board 230V AC?
Yes
Is the input voltage to the outdoor
electronic control P.C. board 325V DC?
Yes
Replace the outdoor control P.C. board.
OBH626B
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.
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