FILE NO. SVM-07008

11-3. Judgment by Flashing LED of Indoor Unit

While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, the contents of self-diagnosis are displayed with block on the indoor unit indication section.

Table 11-3-1

Indoor indication lamp flashes.

Which lamp does flash?

Item

Check

Block display

Description for self-diagnosis

code

 

 

 

A

 

OPERATION (Green)

Power failure (when power is ON)

 

Flashing display (1 Hz)

 

 

 

B

 

OPERATION (Green)

Protective circuit operation for indoor P.C. board

 

Flashing display (5 Hz)

 

 

 

C

 

OPERATION (Green)

Protective circuit operation for connecting cable

 

TIMER (Yellow)

 

and serial signal system

 

 

Flashing display (5 Hz)

 

 

 

OPERATION (Green)

DPRE DEF. (Orange) Protective circuit operation for outdoor P.C. board Flashing display (5 Hz)

 

OPERATION (Green)

 

E

TIMER (Yellow)

Protective circuit operation for others

PRE DEF. (Orange)

(including compressor)

 

 

Flashing display (5 Hz)

 

NOTES:

(1)The contents of items B and C and a part of item E are displayed when air conditioner operates.

(2)When item B and C, and item B and a part of item E occur concurrently, priority is given to the block of item B.

(3)The check codes can be confirmed on the remote control for servicing.

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