Daikin 4MXL-T Series Service Manual page 158

Service Diagnosis
5. Press TEMP or TEMP button and change the number until you hear the long beep.
6. Diagnose by the sound.
7. Determine the error code.
8. Press MODE button to exit from the diagnosis mode.
9. Press ON/OFF button twice to return to the normal mode.
Note(s)
When the remote controller is left untouched for 60 seconds, it returns to the normal mode.
152
 Beep: The left-side number does not correspond with the error code.
 Two consecutive beeps: The left-side number corresponds with the error code but the right-
side number does not.
 Long beep: Both the left-side and right-side number corresponds with the error code.
The numbers indicated when you hear the long beep are the error code.
Refer to page 162, 163.
The display T means the trial operation mode.
Refer to page 251 for trial operation.
SiUS121827E
(R14547)
(R14548)
(R9879)
(R14549)
Part 6 Service Diagnosis