Cooper & Hunter FG20/C-M, Service Manual

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DUCT TYPE SPLIT AIR CONDITIONER MAINTENANCE
51
2.6 E8 Overload of Indoor Fan
2.7 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
replace main board of the
indoor unit
No
No
replace temperature sensor
check the directions of the
plug and socket
Yes
Overload of indoor fan
Is wire of indoor fan connected
rightly? Connect the wire
rightly
Is setting of relay for indoor fan correct? Set the correct rated value
Is the relay correct? Replace the relay
Is the static pressure of the air duct
matched with the selected model?
Increase the static pressure of the air duct (turn
down the air valve)
Is the motor of the indoor unit
normal? Replace the motor of the
indoor unit.
Remove error