Service Check Function SiUS12-928_B
143 Service Diagnosis
5. Press the [TEMP] or buttonand change the number until you hear the long beep.
6. Diagnose by the sound.
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 numbers correspond with the error code.
7. Determine the error code.
The numbers indicated when you hear the long beep are the error code.
Error codes and description
Refer to page 144, 145.
8. Press the [MODE] button to exit from the diagnosis mode.
The display means the trial operation mode.
Refer to page 259 for trial operation.
9. Press the [ON/OFF] button twice to return to the normal mode.
Note: When the remote controller is left untouched for 60 seconds, it returns to the normal mode.
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