Troubleshooting by Error Code
SiME332106E
258
Part 6 Service Diagnosis
Unified Cool/ Heat
selection
Cool/Heat
selection for the
external control adaptor
for o
u
tdoor
u
nit is set to
“Unified Master”.
Cool/Heat
selection for the
external control adaptor for
o
u
tdoor
u
nit is set to
“Unified Sla
v
e”.
Is the
microcomp
u
ter
normal monitor on the
o
u
tdoor
u
nit control
PCB
b
linking?
Is po
w
er s
u
pplied
to the o
u
tdoor
u
nit?
Is the po
w
er
s
u
pply ca
b
le of the
external control adaptor for
o
u
tdoor
u
nit connected to
the 16
V
DC po
w
er
s
u
pply line?
Is the
microcomp
u
ter
normal monitor on the
external control adaptor for
o
u
tdoor
u
nit
b
linking?
Does
the error
rec
u
r
w
hen setting
Cool/Heat selection for
the external control
adaptor for o
u
tdoor
u
nit to “I
N
D”?
N
O
N
O
N
O
N
O
N
O
N
O
N
O
N
O
YES
YES
YES
YES
YES
YES
YES
YES
Replace the o
u
tdoor
u
nit
main PCB (A1P).
Replace the external control
adaptor for o
u
tdoor
u
nit main
PCB (A1P).
Connect the po
w
er
s
u
pply ca
b
le of the
external control adaptor
for o
u
tdoor
u
nit to the
16
V
DC po
w
er s
u
pply
line.
Replace the o
u
tdoor
u
nit
main PCB (A1P).
S
u
pply po
w
er to the
o
u
tdoor
u
nit.
Replace the o
u
tdoor
u
nit
main PCB (A1P).
Unified Cool/Heat
addresses for o
u
tdoor
u
nits in the
o
u
tdoor-o
u
tdoor
transmission are
d
u
plicated. Make
address setting again.
Set Cool/Heat selection
for the external control
adaptor for o
u
tdoor
u
nit
to “I
N
D.”
Diagnosis Flo
w
chart-2
(Transmission error
w
hen the external
control adaptor for o
u
tdoor
u
nit is mo
u
nted)
Error code
S
ub
code
U7-02
