Toshiba RAS-M13EKCVP-E - Manual (Page 77)

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10-9. USEFUL FUNCTIONS
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.
Self-Diagnosis by LED Indication
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)
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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