Daikin RY24PEV1K Service Manual page 106

 Malfunction display: F0 Malfunction of Indoor Room Thermistor at Air Intake
 Malfunction display: F1 Malfunction of Evaporator Temp. Thermistor
MAINTENANCE
Malfunction of indoor
room thermistor at air
intake
Yes
Check if the
plug of the temperature sensor is correctly
connected with socket on the
mainboard
Yes
Remove the
sensor to check if the resistance
value is ok
Yes
Replace mainboard of the
indoor unit
Malfunction of Evaporator
Temp. Thermistor
Yes
Check if the
plug of the temperature sensor is correctly
connected with socket on the
mainboard
Yes
Remove the
sensor to check if the resistance
value us ok
Yes
Replace mainboard of the
indoor unit
No
Check the direction of
the plug and socket
No
Replace temperature
sensor
No
Check the direction of
the plug and socket
No
Replace temperature
sensor
SiK401004_A
98