Maintenance; Error Code - Gree GPC12AL-K3NNA1A Service Manual

Service Manual

9. Maintenance

9.1 Error Code

NO. Malfunction
Error
Name
Code
Indoor
ambient
temperature
1
sensor is
open/short-
circuited
Indoor
evaporator
temperature
2
sensor is
open/short-
circuited
Outdoor
condenser
temperature
3
sensor is
open/short-
circuited
Overcurrent
4
protection
Maintenance
Display Method of Indoor Unit
Indicator lamp
(During blinking, ON for 0.5S and
OFF for 0.5 S)
Operation COOL
Inidicato Indicator
OFF 3S
F1 and blinks
once
OFF 3S
F2 and blinks
twice
OFF 3S
F4 and blinks
4 times
E5
A/C Status
HEAT
Indicator
Compressor and
draw water motor
stop operation. Fan
operates at set fan
speed.
Compressor and
draw water motor
stop operation. Fan
operates at set fan
speed.
Compressor and
draw water motor
stop operation. Fan
operates at set fan
speed.
Possible Causes
1. The wiring terminal between indoor
ambient temperature sensor and main
board is loosened or poorly contacted.
2. Theres short circuit due to trip-over of the
parts on main board.
3.Indoor ambient temperature sensor is
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
the parts on main board.
3.Indoor evaporator temperature sensor is
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.
2. Theres short circuit due to the trip-over of
the parts on main board.
3. Outdoor condenser temperature sensor is
damaged (Please check it by referring to the
resistance table for temperature sensor).
4. Main board is damaged.
Disconnect power, and then turn on the unit
again after 10min. If "E5" still exits, please
contact professional person to maintain the
unit.
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