Single Zone Service Manual - General

Error
Code
Description
Error Indication
Indoor
Operation
Indoor Outdoor
1
Indoor Temperature Sensor Error
- Suction Sensor open/short
- Indoor Pipe Sensor open/short
●
- Operation
2
Outdoor Temperature Sensor Error
- Suction Sensor open/short
- Outdoor Pipe Sensor open/short
● ●
Operation
3
Humidity Temperature Sensor Error
- Humidity Sensor short
● ●
Operation
4
Heat Sink Temperature Sensor Error
- Temperature Sensor open/short
- Compressor-off Temperature ≤ Heat Sink Temperature
● ●
Operation
5
Poor Communication(Indoor <-> Outdoor Unit)
- The communication is stopped for more than 2 minutes.
● ●
Stop
6
DC Peak Error
- DC Peak occurred
● ●
Shutdown
7
CT Error
- CT detected
● ●
Shutdown
8
Indoor Unit Fan Lock Error
- Fan Lock occurred (BLDC Motor)
●
- Stop
9
Outdoor Unit Fan Lock Error
- Fan Lock occurred(BLDC Motor)
● ●
Stop
10
Compressor Dome Temperature Error
- Discharge Pipe Sensor open/short
- Compressor-off Temperature ≤ Discharge Pipe Temperature
● ●
Operation
12
EEPROM Error
- EEPROM Check sum Error
-
●
Operation
13
PSC Error
- PSC Fault Error
-
●
Operation
14
Compressor Phase Current Error
- Phase over-current occurred
-
●
Operation
Part 4 Trouble Shooting
- 36 -
■ Old Model Error
Ex) Error Code 6 : DC Peak Error Ex) Error Code 13 : PSC Error
6times
6times
3sec
1time 3times 1time
3sec
3times