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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 123

60 hz.
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Troubleshooting by Indication on the Remote Controller
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Turn OFF the power supply, and then
wait for a period of 10 minutes.
any foreign matters
connector (X20A or
X4A) for the fan motor properly
connected to the indoor
connector (X20A or X4A) for
the fan motor from the indoor unit
PCB, the fan can be lightly
Disconnect the connector from the fan
motor, and then make measurement
of resistance between pins.(*2)
resistance between
the pins not less than
*1. If any junction connector is provided between the connector (X20A or X4A) on the indoor unit PCB and the
fan motor, also check whether or not the junction connector is properly connected.
*2. All resistance measuring points and judgement criteria
114
Are there
YES
around the fan?
NO
Is the
NO
unit PCB?
(*1)
YES
By
disconnecting the
NO
rotated by
hand.
YES
Is the
NO
the judgement
criteria?
YES
FXAQ
1 White
FG
2 Orange
Vsp
3 Brown
Vcc
4 Blue
GND
5
6
7 Red
Vdc
Remove the foreign matters.
Properly connect the connector.
Replace the fan motor.
Replace the fan motor.
Replace the indoor unit PCB.
1
2
3
4
FG
Vsp
Vcc
FXFQ
Vdc
GND
1
2
Judgement Criteria
Measuring point
FG-GND
Not less than 1MΩ
Vsp-GND
Not less than 100kΩ
Vcc-GND
Not less than 100Ω
Vdc-GND
Not less than 100kΩ
SiUS34-907
5
3
Criteria
Troubleshooting

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform