SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
231
Troubleshooting
To Diagnosis Flo
w
2
To Diagnosis Flo
w
3
To Diagnosis Flo
w
5
To Diagnosis Flo
w
4
Check the LED lamps for
“Confirmation of error 3”
corresponding to the error code “
UA
”
and for Confirmation of error 4 in the
monitor mode.
Check of error 3
Check of error 4
Check of error 3
Check of error 4
Check of error 3
Check of error 4
Check of error 3
Check of error 4
Check of error 3
Check of error 4
Check of error 3
Check of error 4
To Diagnosis Flo
w
1
To Diagnosis Flo
w
6
Caution
Be s
u
re to t
u
rn off the po
w
er s
w
itch
b
efore connecting or disconnecting
connectors, or parts may
b
e damaged.
Check of error 3
Check of error 4
Diagnosis Flo
w
1
The
n
u
m
b
er of
indoor
u
nits
connected to the same
refrigerant circ
u
it system
sho
u
ld not more
than 64
u
nits.
Replace the condensing
u
nit
main PCB.
The n
u
m
b
er of indoor
u
nits
exceeds the standard. Check the
connection to correct.
YES
N
O