Toshiba RAV-SM2244AT8-A Service Manual page 91

Digital Inverter
No. Cause
1 Normal
2 Discharge (TD) sensor error
3 Heat exchanger (TE) sensor error
4 Heat exchanger (TL) sensor error
5 Outside air temperature (TO) sensor error
6 Suction (TS) sensor error
7 Heat sink (TH) sensor error
Outdoor temperature sensor (TE/TS)
8
connection error
9 Outdoor EEPROM error
10 Compressor breakdown
11 Compressor lock
12 Current detection circuit error
13 Thermostat for compressor activated
Model data not set (on the service P.C.
14
board)
15 MCU-MCU communication error
16 Discharge temperature error
Abnormal power (open phase detected or
17
abnormal voltage)
18 Heat sink overheat
19 Gas leak detected
20 4-way valve reverse error
21 High pressure release operation
22 Outdoor fan motor error
23 Compressor driver short-circuit protection
Position detection circuit error in one-line
24
display
EN-25
Display mode 1 Display mode 2
D800 D801 D802 D803 D804 D800 D801 D802 D803 D804
13
No. Cause
25 Ps sensor error
26 Ps drop down error
27 High pressure SW error
* The LEDs and DIP switches are
located on the lower left of the P.C.
board of the outdoor unit.
Installation Manual
Display mode 1 Display mode 2
D800 D801 D802 D803 D804 D800 D801 D802 D803 D804
( : OFF : ON
ON ON
1 2 3 4 1 2 3 4
Enlarged view of
SW804 SW805
ON ON
1 2 3 4 1 2 3 4
SW802 SW803 SW800 SW801 SW806
LED
D805
D804
D803
D802
D801
D800
: Flashing)
LEDs
D805
D804
D803
D802
D801
D800
EN-26