Samsung NX58H9500WS/AA Service Manual page 81

Oven burner
will not light.
*Turn on the cooktop burners to
check whether the gas is properly
supplied.
Ok
*Check whether the Hot surface
ignitor(HSI) is properly heated.
Ok
*Check the current of the safety
Ok
END
No
*Open the gas valve.
Check the voltage(120V)
No
at the T504-T505(Bake),
T504-T503(Broil)
Ok
*Check the resistance
No
*Replace the Safety valve.
T503 T504
81
END
No
*Replace the PCB.
No
*Replace the HSI.
END
Safety valve terminal
T505
END
END