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Service Diagnosis
122
Step
Action
2
Press UP or DOWN button and change the UNIT No. until the indoor unit starts to beep.
If you hear...
3 short beeps
1
s
h
o
t r
b
1
o l
n
g
b
Press OPERATION MODE SELECTOR button. The left 0 (upper digit) indication of the
3
error code blinks.
e
e
p
e
e
p
UP button
DOWN button
(R15408)
Then...
Follow all steps below.
F
o
o l l
w
s
e t
p
s
3
a
n
d
. 4
C
o
t n
n i
operation in step 4 until you hear a
long beep. This long beep
indicates that the error code is
confirmed.
T
h
e
e r
s i
n
o
a
b
n
r o
m
a
t i l
. y
OPERATION MODE
SELECTOR button
(R24051)
Part 6 Service Diagnosis
SiUS092230EA
u
e
h t
e
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Troubleshooting
