Indoor Fan Motor Abnormality - Daikin SkyAir RZR-TA Series Service Manual

SiUS281811EA
4.9

Indoor Fan Motor Abnormality

4.9.1 Indoor Fan Motor Abnormality (FHQ-P, FHQ-M Models)
A6
Error Code
Applicable
FHQ-P, FHQ-M
Models
Method of Error This error is detected if there is no revolution detection signal output from the fan motor.
Detection
Error Decision When no revolutions can be detected even at the maximum output voltage to the fan
Conditions
Supposed
 Defective indoor fan motor
Causes  Broken wires
 Defective contact.
Troubleshooting
Reference
CHECK 16 Refer to page 306.
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Is the
X4A
NO
connector securely
connected?
YES
Is the
power of 12
VDC supplied
between the Pins 1
YES
and 3 when the X4A is
disconnected
and the power
supply turns
ON?
NO
Troubleshooting by Error Codes
Properly connect the connectors.
(At this time, check for any
defective connector contact or
broken wires.)
CHECK 16
Check the indoor fan motor and
the wiring circuits of the fan
motor.
Replace the indoor unit main
PCB (A1P).
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