Troubleshooting - Toshiba RAV-GM1101AT8P-E Installation Manual

Existing piping
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The following settings are required when using a pipe Ø19.1 mm as the existing piping at the gas pipe side.
Steps taken to support existing piping
1. Cut J805 (Jumper).
2. Set the circuit breaker to the ON position to turn on the power.
37-EN
Jumper wires
– 19 –
14

Troubleshooting

You can perform fault diagnosis of the outdoor unit with the LEDs on the P.C board of the outdoor unit in addition
to using the check codes displayed on the wired remote controller of the indoor unit.
Use the LEDs and check codes for various checks. Details of the check codes displayed on the wired remote
controller of the indoor unit are described in the Installation Manual of the indoor unit.
LED displays and check codes
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No. Error
1 Normal
2 Discharge temperature sensor (TD) error
3 Heat exchanger temperature sensor (TE) error
4 Heat exchanger temperature sensor (TL) error
5 Outside air temperature sensor (TO) error
6 Suction temperature sensor (TS) error
7 Heat sink temperature sensor (TH) error
8 Heat exchanger sensor (TE, TS) connecting error
9 EEPROM error
10 Compressor breakdown
11 Compressor lock
12 Current detection circuit error
13 Thermostat for compressor activated
14 Model data not set
15 MCU-MCU commumication error
16 Discharge temperature error
17 High pressure SW error
18 Power supply voltage error
19 Heat sink overheating error
20 Gas leak detected
21 4-way valve reverse error
22 High pressure release operation
23 Fan system error
24 Drive device short-circuiting
25 Position detection circuit error
26 Compressor IPDU or other (not specially identified)
27 Power supply error
: ON, : OFF, : rapid flashing (5 times/sec.)
* The LEDs are located at the top right of the P.C.
board of the outdoor unit as shown in the figure
below.
Display
D800 D801 D802 D803 D804 D805
Electric parts cover
Inspection window through which to
check the LED displays
38-EN