SiUS28-902_B
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
95
Troubleshooting
Note:
Connector and indoor unit PCB
Indoor
u
nit is a
model e
qu
ipped
w
ith a s
w
ing
flap f
u
nction
The s
w
ing
motor
w
orks
w
hen the
po
w
er s
u
pply is t
u
rned OFF and
then
b
ack O
N
.
The
connector is
connected to X9A of the
indoor
u
nit PCB.
W
hen
the airflo
w
direction flap-cam
mechanism is disconnected
from the s
w
ing motor, operation
is normal
w
hen t
u
rned O
N
again.
After
t
u
rning
the
s
w
ing-flap O
N
and then stopping
w
ith the remote controller,
the
v
oltage of the connector
(
*
) of the indoor
u
nit PCB is 20
8
~
230
V
AC
w
hen t
u
rned on
again (
w
ithin 30 seconds
of t
u
rning on again).
The
limit s
w
itch f
u
nctions
normally.
The
connecting ca
b
le is
short circ
u
ited or
disconnected.
The connecting
ca
b
le has no contin
u
ity.
Is po
w
er s
u
pply
20
8~
230
V
pro
v
ided?
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
the connector or parts may
b
e damaged.
Pro
v
ide 20
8~
230
V
po
w
er
s
u
pply.
Caution
N
O
YES
Replace the limit s
w
itch
connecting ca
b
le.
Replace the indoor
u
nit PCB.
Replace the po
w
er s
u
pply
connecting ca
b
le.
Replace the s
w
ing motor.
Take the cam mechanism
apart, reassem
b
le and t
u
rn O
N
again.
Connect the connector to X9A
and t
u
rn O
N
again.
Replace the indoor
u
nit PCB.
Replace the indoor
u
nit PCB.
Replace the s
w
ing motor.
N
O
YES
YES
N
O
For FCQ, FAQ
For FHQ
N
O
YES
N
O
YES
YES
N
O
N
O
YES
YES
N
O
N
O
YES
Model
Connector for Swing Flap
PCB
FCQ
X28A
A1P
FHQ
X6A
A1P
FAQ
X36A
A1P
