A6" Indoor Unit: Malfunction Of Indoor Unit Fan Motor; A6" Indoor Unit : Malfunction Of Indoor Unit Fan Motor - Daikin RTSQ20PY1 Service Manual

SiBE31-801_C
A6
" " Indoor Unit : Malfunction of Indoor Unit Fan Motor
A6
Remote
Controller
Display
Applicable FXHQ32~100MAVE, FXDQ20~32PB, 40~63NBVE
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
Supposed
Causes
Troubleshooting
Troubleshooting
Faulty indoor fan motor
Broken wires
Faulty contact
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Are the X4A and
NO
X27A connectors
securely connected?
YES
Is the power of approx.
12VDC supplied between
YES
the Pins1 and 3 when the
X27A is disconnected and
the power supply turns
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.
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