MXS Service Manual

Service Diagnosis SiUS121736EA
147 Service Diagnosis
4 Press UP or DOWN button to change the error code upper digit until the indoor unit beeps.
5 Press OPERATION MODE SELECTOR button. The right 0 (lower digit) indication of the
error code blinks.
Step Action
UP button
DOWN button
(R15411)
UP
DOWN
4
5
6
7
8
9
U
P
L
J
F
H
E
C
A
0
If you hear... Then...
2 short beeps The upper digit matches.
1 short beep No digits match.
1 long beep Both upper and lower digits match.
(R24052)
OPERATION MODE
SELECTOR button