MXS Service Manual

SiUS121736EA Service Diagnosis
Service Diagnosis 148
6 Press UP or DOWN button and change the error code lower digit until the indoor unit
generates long beep.
7 Press OPERATION MODE SELECTOR button to return to the normal mode. If you do not
press any button for 1 minute, the remote controller automatically returns to the normal
mode.
Step Action
UP button
DOWN button
(R15413)
UP
DOWN
F
E
J
C
H
A
9
8
7
6
5
4
3
2
1
0
If you hear... Then...
2 short beeps No digits match.
1 long beep Both upper and lower digits match.
(R24053)
OPERATION
MODE
SELECTOR button