Samsung NE59J7630SS Service Manual page 30

4. Troubleshooting
4-1 Information Display Codes
Check code
Displayed code CAUSE
C-21 Oven heating over
C-d0 Shorted key
C-d1 Door locking
Main PCB
C-F0
communication
PCB temp
sensor opened
C-30
PCB temp
sensor shorted
PCB temp over
C-31
during 10 sec
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1. Disconnect power. Open the back cover. Disconnect sensor from
the wire harness.
2. Check the broil, bake and convection heater. Check the resistance
of the each heater. (Broil
3. Check whether DLB of Sub PCB, Broil, Bake and Convection heater relay
are working normally.
4. Check the wiring connections on the main PCB.
5. Disconnect wire and Check the resistance of oven sensor
connector on Main PCB. (Normal
1. Check whether the keypad cable has been inserted correctly into
connector on Main PCB.
2. Check for shorts between Main PCB and connector or keypad and cable.
3. there is no problem with the main PCB connector or keypad cable,
replace the Main PCB.
1. Disconnect power. Open the back cover.Check whether harness has
beenconnected with door lock switch and motor.
2. whether resistance value of door lock motor is correct.
(Normal resistance :
3. Activate the door lock, measure the voltage at the wire connection on
the door lock
4. Check whether door locking switch is working normally.
1. Check
2. Check
3. there is no problem with connector on Sub PCB and Main PCB,
replace the Main PCB .
1. Disconnect power. Open the back cover. Remove PCB Main from
holder PCB.
Measure
:
2. there are any problems, replace PCB Main.
this code was displayed, need to replace PCB.
30
SOLUTION
sensor resistance is abnormal, replace oven sensor.
Covection