Indoor Ambient Temperature Sensor Is Open Or Short Circuited; Indoor Evaporator Temperature Sensor Is Open Or Short Circuited; Outdoor Ambient Temperature Sensor Is Open Or Short Circuited; Outdoor Mid-Coil Condenser Temperature Sensor Is Open/Short Circuited - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

F1 - F5 Temperature Sensor Codes
See troubleshooting chart next page
F1
Indoor ambient temperature sensor is open
or short circuited.
Status:
During cooling & dehumidifying, indoor unit
operates while other functions stop; During
heating operation, complete unit stops
F2
Indoor evaporator temperature sensor is
open or short circuited.
Status:
After reaching set-point, all components stop
operation, cooling and heating modes
F3
Outdoor ambient temperature sensor is open
or short circuited.
Status:
Cooling operation, compressor stops while
indoor fans runs. Heating operation, complete
unit stops
F4
Outdoor Mid-Coil condenser temperature
sensor is open or short circuited.
Status:
Cooling operation, compressor stops while
indoor fans runs. Heating operation, complete
unit stops
F5
Outdoor discharge temperature sensor is
open or short circuited.
Status:
Cooling operation, compressor stops after
3 minutes while indoor fans runs. Heating
operation, complete unit stops after operating
for 3 minutes
Error Code Diagnostics
Fault & Status Possible Causes
1. Loose or bad contact of indoor temperature
sensor
2. Sensor wire leads not properly connected
3. Faulty sensor, check readings with charts
4. Main circuit board defective
1. Loose or bad contact of indoor temperature
sensor
2. Sensor wire leads not properly connected
3. Faulty sensor, check readings with charts
4. Main circuit board defective
1. Loose or bad contact of outdoor temperature
sensor
2. Sensor wire leads not properly connected
3. Faulty sensor, check readings with charts
4. Main circuit board defective
1. Loose or bad contact of outdoor temperature
sensor
2. Sensor wire leads not properly connected
3. Faulty sensor, check readings with charts
4. Main circuit board defective
1. Loose or bad contact of outdoor temperature
sensor, head of sensor should be inserted
into the copper tubing
2. Sensor wire leads not properly connected
3. Faulty sensor, check readings with charts
4. Main circuit board defective
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