02-03
+1
The OPERATION, TIMER and FILTER lamps operate as follows according to the error contents.
Error display
OPERATION
(GREEN)
TIMER
(ORANGE)
FILTER
(RED)
Error contents
:
0.5s ON / 0.5s OFF (Flash)
:
OFF
Outdoor discharge pipe temperature
sensor error
Compressor temperature sensor error
Outdoor temperature sensor error
Communication error
(Serial reverse transfer error)
Outdoor communication signal error
(Forward transfer signal error)
Trouble
shooting
2
3
22
12
4
13
24
19
14
16, 28
17
11
9
20
25
5
7
8
Discharge temperature error
Indoor fan motor abnormal
Outdoor unit fan motor error
IPM error
Compressor rotor location cannot detect
(permanent stop)
Compressor temperature error
Indoor manual auto switch error
Exessive high pressure protection on cooling
8 times
Communication error
(indoor unit remote control)
7 times
6 times
2 times
2 times
6
6 times
2 times
3 times
2 times
2 times
3 times
3 times
3 times
4 times
3 times
2 times
4 times
2 times
5 times
15
CT error
3 times
5 times
5 times
5 times
6 times
5 times
18
8 times
5 times
2 times
7 times
3 times
7 times
26, 27
4-way valve error
4 times
4 times
7 times
6 times
7 times
10
Indoor EEPROM abnormal (Model No.)
Continuous
blink
Continuous
blink
Continuous
blink
6 times
8 times
3 times
4 times
3 times
2 times
3 times
2 times
3 times
21
23
1
8 times
4 times
5 times
2-1-3 INDOOR UNIT DISPLAY
1. ERROR DISPLAY
Room temperature sensor error
Indoor heat exchanger temperature sensor error
Outdoor heat exchanger temperature
sensor(outlet) error
Outdoor heat exchanger temperature
sensor(middle) error
Water drain abnormal
Communication error
(Main PCB Display PCB)
Communication error
(Main PCB Display PCB)
Outdoor unit computer communication error
PFC circuit error
