Samsung NX58M6850S Series Service Manual page 85

4. Troubleshooting
Trouble shooting
■ Oven temperature rises too fast. [Electric malfunction]
Oven Temp
rises to fast.
* Check to see if oven exceeds 400℉(202℃)
with in 9 minutes of room temperature
operation .
* Check the harness connections at PCB
terminals (RY201~RY204) and PCB
connector(CN301) to make sure the
harness does not have a short in it .
* Check the broil and bake burner operation .
*Replace the PCB .
PCB Communication
connector (CNS401)
Membrane connector
(CNS302)
DLB relay (RY201)
C . H eater relay (RY202)
Bake relay (RY203)
Broil relay(RY204)
Ok
Ok
Ok
END
LED display
Temp sensor
(CNS403)
(CNS301)
Micom program
(CNS402)
Broil IN/OUT Lamp, Motor
(CNP207,CNP208) (CNP210, CNP211)
No
* Repair or replace the harness .
Yes
* Faulty broil & bake ignitor,
DLB or Source
control relay (RY201~RY204) .
Replace the PCB
* Replace with properly sized burner orifices.
No
Broil 1 .64
Bake
1 . 9 0
NOTE : High-altitude orifice kits are available.
Yes
* Replace the PCB .
END
Swtich
(CNS300)
L . L amp relay (RY211)
L . F an relay (RY210)
Door lock motor relay (RY209)
U . L amp relay (RY208)
U . F an relay (RY207)
PCB Power
(CNP100)
85
END
NG LP
1 .02
1 . 1 5