T
ro
ubl
eshooting
4-26
S
ams
u
ng
El
ectronics
4-3-11 E102 : Communication error between indoor and outdoor unit
E201 : Unit quantity miss matching beween Indoor and Outdoor
E202 : Abnormal state, no communication between Indoor and Outdoor Main PCB
E203 : 1min Time out of communication error(Main
↔
Inverter)
1
.
Chec
kl
ist
:
1
)
I
s
the
comm
u
nication
ca
bl
e
b
etween
the
indoor
u
nit
and
o
u
tdoor
u
nit
connected
correct
l
y
?
*TOUUIFQPXFSDBCMFBOEDPNNVOJDBUJPODBCMFXJSJOHFSSPS
2
.
T
ro
ubl
eshooting
proced
u
re
Y
es
Restart
after
power
off.
I
s
the
comm
u
nication
error
occ
u
rred
again
?
I
sn
'
t
the
power
ca
bl
e
and
comm
u
nication
ca
bl
e
wiring
error
?
Ex
change
the
o
u
tdoor
u
nit
PCB.
T
erminate
the
ser
v
ice.
Correct
the
wrong
wiring.
I
s
the
connection
of
comm
u
nication
ca
bl
e
norma
l?
Correct
the
connection
of
comm
u
nication
ca
bl
e.
Y
es
Y
es
No
No
No
