Indoor Unit Fan Motor Lock - Daikin E-Series Service Manual

SiENBE18-621
5.4

Indoor Unit Fan Motor Lock

A6
Remote Control
Display
Applicable
FHQ-BU
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
" Failure of indoor unit fan motor
Supposed
" Broken or disconnected wire
Causes
" Failure of contact
" Failure of indoor unit PCB
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Are X20A and
NO
X26A properly
connected?
YES
With
X26A unplugged
and the power supply NO
turned on, is there about
12 VDC between pins 1
and 3 of X26A?
YES
Troubleshooting for SkyAir Indoor Unit
Connect correctly.
Indoor unit PCB
replacement
Check indoor unit fan
motor and motor wiring.
(Q0413)
285