E3 Error flashes
Check cables connected to control card
sensor socket (KN6) pins 1 and 2
Use a multimeter to measure sensor
resistance at KN6 pins
1 and 2 of control board and check if the
value is between 5K and 200K
Replace control board
Referring to Sensor replacement SUF,
replace the faulty sensor
Yes No
E3:
Fridge Air
Sensor
Error
Turn on the refrigerator
Operation is successful
If cables are disconnected, re-connect
them, turn on the refrigerator and check
Yes
No
Yes
Any errors on
display?
Is the value suitable?