Gree FGR40/BNa-M User Manual

56
Duct Type Split Air Conditioner
Service Manual
2.7 Indoor Fan Overloading Protection
Indoor fan overloading malfunction
If connection line of indoor unit is
connected properly
If indoor fan’s relay is properly set
If relay is normal
Check if static pressure of duct is
matched with design and models
If indoor motor is normal
Correct connection
Set correct value
Replace relay
Increase static pressure of duct
(select to clo se the air valve
smaller)
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Eliminate malfunction
Replace indoor motor
No
2.8 F0 Failure of Indoor Room Sensor at Air Intake
Failure of Indoor Room Sensor at Air Intake
Remove the sensor to check if the resistance value
is ok?
check if the plug of the temperature sensor is
correctly connected with socket on the main board?
Yes
No
No
Yes
Replace main board of the indoor unit
check the directions of the
plug and socket
replace temperature sensor

Gree FGR40/BNa-M Specifications

General

Brand	Gree
Model	FGR40/BNa-M
Category	Air Conditioner
Language	English