EN
23
Digital Inverter
( : OFF : ON : Flashing)
*
The LEDs and DIP switches are
located on the lower left of the P.C.
board of the outdoor unit.
No.
Cause
Display mode 1
Display mode 2
D800 D801 D802 D803 D804 D800 D801 D802 D803 D804
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
8
Outdoor temperature sensor (TE/TS) connection error
9
Outdoor EEPROM error
10 Compressor lock
11 Compressor lock
12 Current detection circuit error
13 Thermostat for compressor activated
14 Model data not set (on the service P.C. board)
15 MCU-MCU communication error
16 Discharge temperature error
17 Abnormal power (open phase detected or 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
24 Position detection circuit error in one-line display
25 Ps sensor error
26 Ps drop down error
SW800 SW801 SW806
SW802
SW803
LED
ON
1
2
3
4
ON
1
2
3
4
SW804
SW805
ON
1
2
3
4
ON
1
2
3
4
D805
D804
D803
D802
D801
D800
D805
D804
D803
D802
D801
D800
Enlarged view of
LEDs