10-9. USEFUL FUNCTIONS

Self-Diagnosis by LED Indication

•For this outdoor unit, by referring to the 5 LED (Red) indicator lights, self-diagnosis is possible.

•LEDS (Red, D09 to D13) are located on the sub-control board underneath the inverter.

Contents

Indoor alarm

 

LED indication

 

code

D09

D10

D11

D12

D13

 

Normal running

None

 

 

 

 

 

IGBT short circuit, Compressor motor rear short

14

 

 

 

 

 

Trouble on position detecting circuit

16

 

 

 

 

 

Trouble on current detecting circuit

17

 

 

 

 

 

CONDENSOR PIPE TEMP. SENSOR(TE) fault

18

 

 

 

 

 

SUCTION PIPE TEMP. SENSOR(TS) fault

18

 

 

 

 

 

DISCHARGE PIPE TEMP. SENSOR(TD) fault

19

 

 

 

 

 

Trouble on outdoor fan

1A

 

 

 

 

 

OUTDOOR TEMP. SENSOR(TO) fault

1B

 

 

 

 

 

Trouble on compressor system

1C

 

 

 

 

 

GAS SIDE PIPE TEMP. SENSOR a (TGa) fault

1C

 

 

 

 

 

GAS SIDE PIPE TEMP. SENSOR b (TGb) fault

1C

 

 

 

 

 

TGa, TGb sensor out of place, PMV fault

1C

 

 

 

 

 

Communication trouble between MCU

1C

 

 

 

 

 

Compressor lock

1D

 

 

 

 

 

Trouble on discharge temp. Gas leakage

1E

 

 

 

 

 

Compressor break down

1F

 

 

 

 

 

 

 

 

: LED ON,

: LED OFF

• These LEDs do not normally light.

1.If trouble occurs, LED (Red) goes on according to the contents of trouble

as shown in the table above.

2. When two or more troubles occur, LEDs go on cyclically (alternately).

3.When the trouble is eliminated, LEDs (Red) go off.

D09 D10 D11 D12 D13

LED (Red)

This product is compliant with Directive 2002/96/EC, and cannot be disposed as unsorted municipal waste.

This product must be returned to the appropriate collection facility, as specified by your municipality.

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Toshiba RAS-M18EAV-E, RAS-M13EKCVP-E, RAS-M18EACV-E Self-Diagnosis by LED Indication, D09 D10, D12 D13 Normal running
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