Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 1087

2) Louver motor does not operate
Inspect at the indoor unit side.
louver operate at
Operate more than
1 min. later
operated with the remote
It is normal
Turn off and back on again
if it stops with
the power and check the
2 pushes on LS
motion of LS
Does the louver
link push the LS till
a click sound is
Defective LS →
Replacement
Defective indoor unit PCB
→Replacemet
3)
When the indoor unit blower does not operate
Inspect at the indoor unit side.
All of cooling,
blower heating,thermaldry
do not operate
YES
Check FM
I
Is Voltage detected
between CNF
terminals?
YES
Defective FM , capacitor
I
) → Replacement
(CF
I
Does the
NO
Is LM wire
power on?
YES
Repair the wire
Is the louver
YES
controller
NO NO
NO
heard?
YES
When some modes only
operate.
NO
Defective indoor unit PCB →
Replacement
Check with the Hi, Me, Lo of
blower mode.
Defective indoor unit PCB →
NO
Replacement
NO
bloken?
YES
Normal
Note (1) LM:Louver motor
LS:Limit switch
Adjust LS lever and
check again
FDC-HKXR
NO
Defective indoor
Is LM
locked?
unit PCB
YES
Replace LM
1085