78
Check of power supply
• When outdoor unit does not operate, LED on outdoor P.C. board is not lighting.
11-6. TROUBLESHOOTING FLOW
Turn ON the breaker.
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
+
-
Check the main power supply circuit for proper connections.
Is there voltage of 230V AC in the
power supply terminal block?
Is there voltage of 230V AC between
LD66B and X64 on the inverter
P.C. board?
Check the power supply and correct them.
Replace the outdoor disply P.C. board.
Replace the inverter P.C. board.
Is there voltage of 230V AC between
LD66A and LD70 on the inverter
P.C. board?
Replace the reactor.
Is there voltage of 325V DC between
DB61 and DB61 on the inverter
P.C. board?
Replace the inverter P.C. board.
Is there voltage of 5V DC between
CN936 and CN936 on the
outdoor display P.C. board?
Check the conneced wire between
the inverter P.C. board and outdoor
display P.C. board and correct it.
Replace the inverter P.C. board.
MXZ-2D33VA/2D40VA/2D53VA/2D53VAH
OBH626B
Summary of Contents for MXZ-2D33VA-E1
Page 16: ...16 OUTLINES AND DIMENSIONS 5 MXZ 2D33VA MXZ 2D40VA MXZ 2D53VA MXZ 2D53VAH Unit mm OBH626B ...
Page 20: ...20 WIRING DIAGRAM 6 MXZ 2D33VA MXZ 2D40VA MXZ 2D53VA OUTDOOR DISPLAY P C BOARD OBH626B ...
Page 21: ...21 MXZ 2D53VAH OUTDOOR DISPLAY P C BOARD OBH626B ...
Page 22: ...22 MXZ 3D54VA OBH626B ...
Page 23: ...23 MXZ 3D68VA OBH626B ...
Page 24: ...24 MXZ 4D72VA OBH626B ...
Page 25: ...25 MXZ 4D83VA OBH626B ...
Page 26: ...26 MXZ 5D102VA OBH626B ...