2. ERROR DETECTION
1. OUTDOOR UNIT Indicator PCB
Display when an error occurs.
POWER
ERROR
PUMP
DOWN
LOW
NOISE
PEAK
CUT
MODE
(L1)
(L2)
(L3)
(L4)
(L5)
(L6)
Blink
(Hi speed)
Check that the “ERROR” LED blinks, then press the [Enter] button once.
For details, refer to the following table.
02-03
LEDs
Buttons
2-1-2 OUTDOOR UNIT DISPLAY
Error Contents
POWER
MODE
ERROR
Serial forward transfer error(after operation)
2
2
2
2
2
2
2
2
2
2
2
1
(L1)
(L2)
(L6)
(L5)
(L4)
(L3)
IPM Error
Indoor Unit Error
Inverter Error
Over Current Error
Discharge Thermistor Error
Outdoor Thermistor Error
Heat Sink Thermistor Error
Current sensor Error
Pressure sensor Error
Heat Ex. Liquid Middle
Thermistor Error
Compressor Thermistor Error
Compressor Control Error
Outdoor Unit Fan Motor 1 Error
Outdoor Unit Fan Motor 2 Error
4-way Valve Error
Discharge Temp. Error
Compressor Temp. Error
Low Pressure Error
2
2
2
2
2
2
2
2
2
2
2
1
1
1
5
6
3
6
5
7
1
7
2
7
3
7
3
7
4
7
7
8
4
8
6
8
6
9
4
9
5
9
7
9
8
9
9
10
1
10
3
10
5
15
Serial forward transfer error(during operation)
Heat Ex. Liquid Outlet
Thermistor Error
High Pressure Switch Error
LED DISPLAY
PUMP
DOWN
LOW
NOISE
PEAK
CUT
Trouble
shooting
2
1 - 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1 ~ : 1~ 15 Times Blinking
15
: Light ON
: Light OFF
2 : 2
Times Blinking
