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SiUS121827E Service Diagnosis
Part 6 Service Diagnosis 159
2 Press UP or DOWN button and change the UNIT No. until the indoor unit starts to beep.
3 Press OPERATION MODE SELECTOR button. The left 0 (upper digit) indication of the
error code blinks.
Step Action
UP button
DOWN button
(R15408)
If you hear... Then...
3 short beeps Follow all steps below.
eht eunitnoC .4 dna 3 spets wolloFpeeb trohs 1
operation in step 4 until you hear a
long beep. This long beep
indicates that the error code is
confirmed.
.ytilamronba on si erehTpeeb gnol 1
(R24051)
OPERATION MODE
SELECTOR button
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