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 .
END
* Repair or replace the harness .
* Replace the PCB .
* Faulty broil & bake ignitor,
DLB or Source
control relay (RY201~RY204) .
Replace the PCB
*
Replace with properly sized burner orifices.
NG
LP
Broil
1 .64
1 .02
Bake
1 .90
1 .15
NOTE : High-altitude orifice kits are available.
*Replace the PCB .
No
No
Yes
Yes
Ok
Ok
Ok
END
END
PCB Communication
connector (CNS401)
Membrane connector
(CNS302)
DLB relay (RY201)
C .Heater relay (RY202)
Broil IN/OUT
(CNP207,CNP208)
Lamp, Motor
(CNP210, CNP211)
PCB Power
(CNP100)
Bake relay (RY203)
Broil relay(RY204)
Temp sensor
(CNS301)
LED display
(CNS403)
Micom program
(CNS402)
L .Lamp relay (RY211)
L .Fan relay (RY210)
Door lock motor relay (RY209)
U .Lamp relay (RY208)
U .Fan relay (RY207)
Swtich
(CNS300)
