Indoor Unit Fan Motor Lock - Daikin FTX25JVEA9 Service Manual

Si18-201
2.6.3

Indoor Unit Fan Motor Lock

A6
Remote
Controller
Display
Applicable FHYC
Models
Method of Detection by failure of signal for detecting number of turns to come from the fan motor
Malfunction
Detection
Malfunction When number of turns can't be detected even when output voltage to the fan is maximum
Decision
Conditions
"
Supposed
"
Causes
"
"
Troubleshooting
Service Diagnosis
Failure of indoor unit fan motor
Broken or disconnected wire
Failure of contact
Failure of indoor unit PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Are X20A and X26A
properly connected?
YES
With
X26A unplugged
and the power supply
turned on, is there about 12
VDC between pins 1
and 3 of
X26A?
YES
NO
NO
Troubleshooting - SkyAir Indoor Unit
Connect correctly.
Indoor unit PC board
replacement
Check indoor unit fan motor and
motor wiring.
(MF013)
255