103
MXZ-3D54VA/3D54VA2/3D68VA/4D72VA
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Disconnect CN931 and measure the
resistance of the outdoor fan motor.
Is the resistance of outdoor fan motor
normal? (Refer to right table)
Turn on the power supply to start operation
and measure the voltage of connector CN931.
Turn OFF the power supply and connect
the connector CN931.
Turn ON the power supply and measure
the voltage of connector CN931 while
rotating the motor by the hand.
Does the outdoor fan motor rotate smoothly?
Replace the outdoor fan motor.
Resistance
60 k
Ω
160 k
Ω
Measuring points
* To measure the resistance, connect
the negative (-) end of the tester to pin 4.
* To measure the voltage, connect the negative (-) end of the tester to pin 4.
* Voltage between pin 4 and 6 should be measured within 1 minute
after the operation starts.
pin 1 - pin 4
pin 5 - pin 4
pin 6 - pin 4
pin 7 - pin 4
Voltage
15 VDC
325 VDC
1 - 5 VDC
CN931
pin 1 - pin 4
pin 5 - pin 4
pin 6 - pin 4
Is the voltage of connector CN931
normal? (Refer to right table.)
Replace the outdoor control P.C. board.
Does the voltage between pin 7 and pin 4 of
connector CN931 repeat 0 VDC and 5 VDC?
Replace the outdoor fan motor.
Does the fan motor operate for about
5 seconds?
Replace the outdoor fan motor.
Replace the outdoor fan motor.
Replace the outdoor control P.C. board.
Start operation.
CN931 Outdoor control P.C. board
MXZ-3D54VA/3D54VA2/3D68VA/4D72VA
OBH626E
Содержание SEZ-KD VA Series
Страница 17: ...17 OUTLINES AND DIMENSIONS 5 MXZ 2D33VA MXZ 2D40VA MXZ 2D42VA MXZ 2D53VA MXZ 2D53VAH Unit mm OBH626E ...
Страница 21: ...21 WIRING DIAGRAM 6 MXZ 2D33VA E1 MXZ 2D40VA E1 MXZ 2D53VA E1 OUTDOOR DISPLAY P C BOARD OBH626E ...
Страница 22: ...22 MXZ 2D33VA E2 MXZ 2D42VA E2 MXZ 2D53VA E2 OBH626E ...
Страница 23: ...23 MXZ 2D33VA ER2 MXZ 2D40VA ER2 MXZ 2D53VA ER2 OBH626E ...
Страница 24: ...24 MXZ 2D53VAH E1 OUTDOOR DISPLAY P C BOARD OBH626E ...
Страница 25: ...25 MXZ 2D53VAH E2 OBH626E ...
Страница 26: ...26 MXZ 2D53VAH ER2 OBH626E ...
Страница 27: ...27 MXZ 3D54VA E1 OBH626E ...
Страница 28: ...28 MXZ 3D54VA2 E2 OBH626E ...
Страница 29: ...29 MXZ 3D54VA2 ER2 OBH626E ...
Страница 30: ...30 MXZ 3D68VA E1 OBH626E ...
Страница 31: ...31 MXZ 3D68VA E2 OBH626E ...
Страница 32: ...32 MXZ 3D68VA ER2 OBH626E ...
Страница 33: ...33 MXZ 4D72VA E1 OBH626E ...
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Страница 35: ...35 MXZ 4D72VA ER2 OBH626E ...
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Страница 38: ...38 MXZ 4D83VA ER1 OBH626E ...
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Страница 40: ...40 MXZ 5D102VA E1 OBH626E ...
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Страница 42: ...42 MXZ 5D102VA ER1 OBH626E ...
Страница 43: ...43 MXZ 5D102VA ER2 OBH626E ...