Diagnosis Through Schematic - LG LDG3015SB Service Manual

DIAGNOSIS THROUGH SCHEMATIC

7-1
Symptom : No heating
(F-9, F-19)
- check: Heater and relay
Open/ short
Symptom : Oven hot
(F-6, F-16)
- check: heater Relays Short
Symptom : Oven lamp not
operating
-. Check:Lamps coil's resistance :
Normal : approximately 20~40Ω)
Symptom : Dead
-. Check : Open/short
Symptom : Door lock fail
(F-10, F-20)
Symptom : Sensor error or
no heating (F-1, F-2, F-9, F-19)
-. Check : Sensor resistance
(approximately 1.06 kΩ at
65F~ 1.12 kΩ at 85F)