Toshiba RAS-M16EKCVP-E User Manual

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  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.

  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.

Contents

Indoor alarm 

code

LED indication

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

D09 D10 D11 D12 D13 

LED (Red) 

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