A6" Malfunction Of Indoor Unit Fan Motor - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701
4.6

"A6" Malfunction of Indoor Unit Fan Motor

A6
Remote
Controller
Display
Applicable FAQ100, FHQ
Models
Method of To be detected based on transmission failure of the signal by the fan motor for detecting the
Malfunction number of rotation
Detection
Malfunction When number of rotation can not be detected even at the maximum output voltage to the fan
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Defective indoor unit fan motor
Disconnection
Defective contact
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Are X20A and
NO
X 26A securely
connected?
YES
Unplug
X26A with
power being
supplied, to check if
YES
direct current voltage of
approx.12V is supplied
between the pins
1 and 3 of
X26A.
NO
Diagnosis by Remote Controller
Correctly connect these.
⎧ Check if defective
⎫
connection for the
⎪
⎪
connectors or
⎩ disconnection are
⎭
found.
Check the fan motor
of the indoor units
and the wiring circuit
of the motor.
Replace the indoor unit
PC board.
109