Maintenance; Error Code - Gree GPC12AL-K5NNA3A Service Manual

10. Maintenance

10.1 Error Code

NO. Malfunction
Error
Name
Code
Indoor
ambient
temperature
1 F1
sensor is
open/short-
circuited
Indoor
evaporator
temperature
2 F2
sensor is
open/short-
circuited
Outdoor
condenser
temperature
3 F4
sensor is
open/short-
circuited
48
Display Method of Indoor Unit
Indicator lamp
(During blinking, ON for 0.5S and
OFF for 0.5 S)
Operation COOL HEAT
Inidicato Indicator Indicator
OFF 3S
and blinks
once
OFF 3S
and blinks
twice
OFF 3S
and blinks
4 times
A/C Status
1. The wiring terminal between indoor
ambient temperature sensor and main
board is loosened or poorly contacted.
Compressor and
2. Theres short circuit due to trip-over of the
draw water motor
parts on main board.
stop operation. Fan
stop operation after
3.Indoor ambient temperature sensor is
2min.
damaged (Please check it by referring to the
resistance table for temperature sensor).
4. Main board is damaged.
1. The wiring terminal between indoor
evaporator temperature sensor and main
board is loosened or poorly contacted.
2. Theres short circuit due to the trip-over of
Compressor and
the parts on main board.
draw water motor
stop operation. Fan
stop operation after
3.Indoor evaporator temperature sensor is
2min.
damaged (Please check it by referring to the
resistance table for temperature sensor).
4. Main board is damaged.
1. The wiring terminal between outdoor
condenser temperature sensor and main
board is loosened or poorly contacted.
Compressor and
2. Theres short circuit due to the trip-over of
draw water motor
the parts on main board.
stop operation. Fan
stop operation after
3. Outdoor condenser temperature sensor is
2min.
damaged (Please check it by referring to the
resistance table for temperature sensor).
4. Main board is damaged.
Service Manual
Possible Causes
Maintenance