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Troubleshooting (Continued)
2.
Troubleshooting by Remote Controller Check Indication
(1) Checking
When an error occurs in the air conditioner, a
check code and an indoor unit number appear
on the LCD of remote controller.
Check code is displayed only during
operation.
If indication disappears, check errors following
“Checking Error Log” below.
Faulty indoor unit
No.
(2) Checking Error Log
When an error occurs in the air conditioner, error log can be checked following the steps below. Up to 4
errors are memorized.
Error log can be checked in both operation ON and OFF states.
Numbers appearing on the LCD
<Seven-segment display>
Step Operation
Press [SET] and [TEST] at the same time for 4 seconds or more. The LCD indication changes as shown below.
Indication of “SERVICE CHECK” shows that the unit is in the error log mode.
• Code No. “01” (order of error log) is displayed.
• A check code is displayed.
• The address of faulty indoor unit is displayed in the UNIT No. area.
Each pressing of TEMP. ∆/∇ buttons displays stored error log sequentially.
Check code “01” shows the latest error, and “04” shows the oldest.
Note
Do not press [CL] as this button clears entire error log of indoor unit.
After checking the error log, press [TEST] to return to the normal indication.
B
C
A
Main Remote Controller (RBC-AMT31E)
Check code
Hexadecimal number
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