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Daikin VRV III-S RXYMQ36 48PVJU Service Manual: A6" Malfunction Of Indoor Unit Fan Motor

60 hz.
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SiUS34-907
A6
"
" Malfunction of Indoor Unit Fan Motor
A6
Remote
Controller
Display
Applicable
FXHQ, FXDQ
Models
Method of
This malfunction is detected if there is no revolutions detection signal output from the fan motor.
Malfunction
Detection
Malfunction
When no revolutions can be detected even at the maximum output voltage to the fan.
Decision
Conditions
 Faulty indoor fan motor
Supposed
 Broken wires
Causes
 Faulty contact
Troubleshooting
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Caution
and X27A connectors securely
12VDC supplied between the
Pins1 and 3 when the X27A is
disconnected and the
power supply turns
Troubleshooting
Are the X4A
NO
connected?
YES
Is the
power of approx.
YES
ON?
NO
Troubleshooting by Indication on the Remote Controller
Properly connect the
connectors.
At this time, check for any faulty
connector contact or broken
wires.
Check the indoor unit fan motor
and the wiring circuits of the
motor.
Replace the indoor unit PCB.
115

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    RXYQ18PAY6 service manual & vrv Fulform