SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
187
Restart and
check if the error
occ
u
rs again.
Restart and
check if the error
occ
u
rs again.
N
O
N
O
YES
YES
Contin
u
e the operation.
(There is a possi
b
ility of
instantaneo
u
s po
w
er fail
u
re etc.)
Replace the in
v
erter compressor.
*
The in
v
erter PCB is not defecti
v
e.
Ret
u
rn the in
v
erter PCB to
original position.
Contin
u
e the operation.
Po
w
er O
N
Po
w
er O
N
Po
w
er OFF
Replace the in
v
erter PCB.
A
Restart
and check
the operation.
Check if the condition
occ
u
rs again.
Is the
start mode in
the high differential
press
u
re (not less
than 72.5
psi)?
CHECK 4
Is the po
w
er
transistor normal?
N
O
YES
N
O
YES
YES
N
O
Concl
u
de the
w
ork
There is a possi
b
ility of defecti
v
e
press
u
re e
qu
alizing.
Check the refrigerant circ
u
it.
Defecti
v
e of press
u
re e
qu
alizing
Check the refrigerant circ
u
it.
Replace the in
v
erter PCB.
Po
w
er O
N
Po
w
er OFF
CHECK 4