SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
227
YES
N
O
Check the
connection stat
u
s
of one of the relay
w
ires of
condensing m
u
lti. Check if the
w
iring is
b
roken or
disconnected.
YES
N
O
In the
connection stat
u
s of
the condensing m
u
lti, check if
more than 4 condensing
u
nits
are connected.
Diagnosis Flo
w
6
Correct the relay
w
ires of the
condensing m
u
lti and then reset
the po
w
er s
u
pply.
Replace the condensing
u
nit main
PCB.
Correct the relay
w
ires of the
condensing m
u
lti and then reset
the po
w
er s
u
pply.
Replace the condensing
u
nit main
PCB.
Diagnosis Flo
w
7
Check of error 3
Check of error 4
Check of error 3
Check of error 4