Daikin Super Multi Plus E-Series - Malfunction of Field Setting Switch

SiEN18-622 Troubleshooting for SkyAir Indoor Unit
Troubleshooting 349
5.14 Malfunction of Field Setting Switch
Remote Control
Display
UA
Applicable
Models
FFQ, FCQ, FBQ, FHQ
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Incorrect field setting
Supposed
Causes
 Indoor-Outdoor (BP) transmission line
 Faulty remote control wiring
Troubleshooting
NO
NO
NO
YES
YES
YES
YES
NO
YES
NO
NO
YES
YES
NO
YES
NO
(Q0401)
Is the
remote control
connected to one
or more indoor
units?
Is the
remote control wiring
jumped between indoor
units?
Is the field setting
for pair / twin
system correct?
Do the
microcomputer
normal monitors
HAP on all indoor
unit PCB blink?
Turn the power supply off once,
and back on to restart.
Does the system
conduct normal
operation?
Are wirings
between indoor and
BP unit correctly
connected?
Is 220 ~ 240
VAC between No.1
and 3 of X2M termina
l
(indoor unit)?
Are
the wirings
between indoor
and BP unit
correctly
connected?
Connect the remote control
correctly.
Remove the jumper.
Set correctly.
Connect correctly.
Check the power supply
system inside the indoor unit.
Could be incorrect wiring.
Check again.
Connect correctly.
Replace the indoor unit
PCB.
Normal
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.