9.2 Error Code List
5
70 Service Manual Installation and Maintenance 9.2 Error Code List No. 8 Code Display 0.5s and OFF 0.5s Yellow Indicator Red Indicator Green Indicator 1 protection of system E1 2 Antifreezing protection E2 OFF 1s 3 times operates. 3 Refrigerant protection F0 OFF 1s 9 times stops. 4 protection of compressor E4 OFF 1s 7 times operates. stop. 5 protection E5 OFF 1s 5 times operates. stop. 6 E6 Always ON indoor fan motor operates. 7 resistant protection E8 OFF 1s 6 times operation:compressor will stop 8 EEPROM EE OFF 1s 11 times AP1 9 Limit/decrease EU compressor is decreased control panel AP1. 10 protection of C5 mainboard. mainboard.
Transcript of 9.2 Error Code List
70
Service Manual
Installation and Maintenance
9.2 Error Code List
No. 8 Code Display
0.5s and OFF 0.5s
Yellow Indicator
Red Indicator
Green Indicator
1 protection of system
E1
2Antifreezing protection
E2OFF 1s
3 timesoperates.
3Refrigerant
protectionF0
OFF 1s
9 times stops.
4protection of compressor
E4OFF 1s
7 timesoperates.
stop.
5protection
E5OFF 1s
5 timesoperates.
stop.
6 E6Always
ONindoor fan motor operates.
7 resistant protection
E8OFF 1s
6 times
operation:compressor will stop
8EEPROM
EEOFF 1s
11 timesAP1
9
Limit/decrease
EUcompressor is decreased
control panel AP1.
10 protection of C5
mainboard.
mainboard.
71
Service Manual
Installation and Maintenance
No. 8 Code Display
0.5s and OFF 0.5s
Yellow Indicator
Red Indicator
Green Indicator
11refrigerant
FoOFF 1s
17 timesrefrigerant
Nominal cooling mode
12
Indoor ambient
sensor is open/F1
1. Loosening or bad contact of indoor ambient temp. sensor and mainboard terminal. 2. Components in mainboard fell
3. Indoor ambient temp. sensor
4. Mainboard damaged.
13sensor is open/
F2
Heating: AC stop operation
1. Loosening or bad contact of
and mainboard terminal.
4. Mainboard damaged.
14sensor is open/
F3OFF 1s
6 times
15condenser
sensor is open/F4
OFF 1s
5 times
16sensor is open/
F5OFF 1s
7 times
17Limit/decrease
F6OFF 1s
3 times compressor is decreased
18Decrease
F8OFF 1s
once compressor is decreased
19Decrease
F9OFF 1s
twice compressor is decreased
20Limit/decrease
antifreezingFH
OFF 1s
4 times compressor is decreasedfan speed is too low
72
Service Manual
Installation and Maintenance
No. 8 Code Display
0.5s and OFF 0.5s
Yellow Indicator
Red Indicator
Green Indicator
21Voltage for DC
PHOFF 1s
13 times
normal range.
electrolytic capacitor C on control
22Voltage of DC
PLOFF 1s
12 times
normal range.
electrolytic capacitor C on control
23Compressor Min
stateP0
24Compressor rated
stateP1
25
Compressor
state
P2
26
Compressor intermediate
state
P3
27protection of
compressor
P5
28capacitor
PU
29 P7 AP1
73
Service Manual
Installation and Maintenance
No. 8 Code Display
0.5s and OFF 0.5s
Yellow Indicator
Red Indicator
Green Indicator
30protection
P8
control panel AP1.
31 protection for compressor
H3OFF 1s
8 times
32 IPM protection H5OFF 1s
4 times
33Internal motor(fan motor) do not operate
H6
stops at present location.
34of compressor
H7
35 PFC protection HCOFF 1s
14 times
36 L3OFF 1s
14 timeslead to compressor stop operation
1. Bad contact of DC motor
2. Bad contact of DC motor control end. 3. Fan motor is stalling.
37 power protection L9OFF 1s
9 times
compressor stop operation and
and compressor will restart
38 LPOFF 1s
16 times
39 LC loosed
No. 8 Code Display
0.5s and OFF 0.5s
Yellow Indicator
Red Indicator
Green Indicator
74
Service Manual
Installation and Maintenance
40
for compressor
U1 power
41 U3
42 U5
43 U7AP1
44limiting(power)
OFF 1s
13 times
45Compressor
OFF 1s
once
46OFF 1s
8 times
2.Wiring terminal 4V is loosened
4V.
47OFF 1s
11 timesAP1
48Normal
OFF 0.5s
once
49Defrosting (Heating indicator ON 10s OFF 0.5s)
mode.Compressor will operate
operation.
50 of detecting plate(WIFI )
JF
