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Trouble4) When "ERROR2" or "ERROR3" come on display
When does happen these ERRORs ?
Error3 happen that the temperature sensor (thermister) dosen't connect to P.C.B
connector
Error2 happens if the temperature of cavity is very high
After the oven is cooled enough, operate again
If Display show "Err2" again, following the below procedure
DISPLAY
CAUSE
REMEDY
CONDITION CHECK
Check continuity of thermistor
(resistance of thermistor)
Defective
thermistor
RESULT
0Ω or infinite
Replace
“ERROR 2 &
ERROR 3”
come on
display
Check continuity of heater
(convection, upper, lower)
Defective touch
control circuit
Replace
Approx
200k~300kΩ
(room
temperature)
Defective
heater
No
continuty
continuity
Replace
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