Daikin 4MXS-R Series Service Manual page 159

SiUS121736EA
Service Diagnosis
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 short beep
1 long beep
Press OPERATION MODE SELECTOR button. The left 0 (upper digit) indication of the
3
error code blinks.
Service Diagnosis
UP button
DOWN button
(R15408)
Then...
Follow all steps below.
Follow steps 3 and 4. Continue the
operation in step 4 until you hear a
long beep. This long beep
indicates that the error code is
confirmed.
There is no abnormality.
OPERATION MODE
SELECTOR button
(R24051)
146