Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Troubleshooting by Indication on the Remote Controller
Troubleshooting 341
Troubleshooting
Properly connect the connector.
NO
Is the
connector (X20A) for the
fan motor properly connected to
the indoor unit PC
board? (*1)
Replace the fan motor.
NO
YES
By
disconnecting the
connector (X20A) for the fan
motor from the indoor unit PC board, the
fan can be lightly rotated
by hand.
Remove the foreign matters.
YES
YES
NO
Are there
any foreign matters
around the fan?
YES
NO
Is the
resistance between
the pins not less than
the judgment
criteria?
Replace the fan motor.
1 White
2 Orange
3 Brown
4 Blue
5
6
7 Red
FG
Vsp
Vcc
GND
—
—
Vdc
Vdc
1
GND
2
—
3
3
FG
4
Vsp
1
—
2
—
5
Vcc
Measuring point
FG-GND
Vsp-GND
Vcc-GND
Vdc-GND
Criteria
Not less than 1M
Ω
Not less than 100k
Ω
Not less than 100
Ω
Not less than 100k
Ω
Judgment Criteria
FXAQ
20~63MAVE FXFQ
25~125MVE
Disconnect the connector
from the fan motor, and then
make measurement of
resistance between pins.(*2)
Turn OFF the power
supply, and then wait for
a period of 10 minutes.
Replace the indoor unit PC
board.
*1. If any junction connector is provided between the
connector (X20A) on the indoor unit PC board and
the fan motor, also check whether or not the junction
connector is properly connected.
*2. All resistance measuring points and judgment
criteria
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.