EN
21
Super 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
SW801
SW804
SW800
LED
ON
123
4
SW803
ON
123
4
SW802
ON
123
4
D800
D801
D802
D803
D804
D805
D800
D801
D802
D803
D804
D805
Enlarged view of
LEDs
