Maintenance; Error Code List - Gree GVC36ALXH-K3NTC7A Service Manual

9. Maintenance

9.1 Error Code List

Display
Method
of Indoor
Malfunction
No.
Name
Indoor ambient
temperature
1
sensor is open/
short-circuited
Indoor
evaporator
2 temperature
sensor is open/
short-circuited
Outdoor ambient
temperature
3
sensor is open/
short-circuited
44
A/C Status
Unit
Nixie
tube
display
The unit will stop
operation as it reaches
the temperature point.
During cooling and drying
operation, except IDU fan
F1 motor operates, other loads
stop operation; During
heating operation, the
heating fan motor operates
according to the conditions
of blowing residual heat.
The unit will stop
operation as it reaches
the temperature point.
During cooling and drying
operation, except IDU fan
F2 motor operates, other loads
stop operation; During
heating operation, the
heating fan motor operates
according to the conditions
of blowing residual heat.
The unit will stop
operation as it reaches
the temperature point.
During cooling and drying
operation, the compressor
F3 stops operation while IDU
fan motor operates; During
heating operation, the
heating fan motor operates
according to the conditions
of blowing residual heat.
Possible Causes
1. The wiring terminal between indoor
ambient temperature sensor and
maiboard is loosened or poorly contacted;
2. There's short circuit due to trip-over of
the parts on maiboard;
3. Indoor ambient temperature sensor is
damaged (Please check it by referring
to the resistance table for temperature
sensor);
4. Mainboard is broken.
1. The wiring terminal between indoor
evaporator temperature sensor and
maiboard is loosened or poorly contacted;
2. There's short circuit due to trip-over of
the parts on maiboard;
3. Indoor evaporator temperature sensor
is damaged (Please check it by referring
to the resistance table for temperature
sensor);
4. Mainboard is broken.
1. The wiring terminal between outdoor
ambient temperature sensor and
maiboard is loosened or poorly contacted;
2. There's short circuit due to trip-over of
the parts on maiboard;
3. Outdoor ambient temperature sensor
is damaged (Please check it by referring
to the resistance table for temperature
sensor);
4. Mainboard is broken.
Service Manual
Maintenance measures
Refer to Malfunction
Detection Flowchart
Refer to Malfunction
Detection Flowchart
Refer to Malfunction
Detection Flowchart
Installation and Maintenance