Table of Contents
Advertisement
R -8580
PROBLEM
POSSIBLE
CAUSE
TEST PROCEDURE
OR
CORRECTION
CONVECTION
r
CONV
indicator
light
but
oven
does
not
go into
a cook
cycle
when
START pad is touched.
CONV indicator
lights, but heating
element does not heat.
Temperature
in the oven cavity
is
lower or higher than preset.
Lower than preset temperature.
Cooling
fan motor, turntable
mo-
tor
and
oven
lamp
run
intermitantly
or all the time.
Convection
cycle runs 3 minutes
then shuts down.
SENSOR
Defective
heater relay(RY4)
on relay unit.
Procedure
N.
Defective
key unit.
Procedure
P.
Defective thermistor.
procedure
K.
Open wiring
in circuit
to above compo-
nents.
Check and repair wiring.
Defective
convection
heater.
Procedure
J.
Defective
heater relay(RY4)
on relay unit.
Procedure
N.
Defective
CPU unit.
Procedure
0.
Open
or loose
wire
connection
to the
Check and repair wiring.
above components.
Defective
convection
heater.
Procedure
J.
Defective
CPU unit.
Procedure
0.
Defective
convection
motor.
Replace motor.
Defective
thermistor.
Procedure
K.
Defective
cooling
fan motor.
Replace fan motor.
Defective
dumper motor.
Procedure
L.
Defective
drive mechanism
of convection
Check.
fan.
Low power supply voltage.
Check voltage.
Thermistor
shorted.
Procedure
K.
Thermistor
open.
Procedure
K.
Oven
is in the
sensor
cooking
AH sensor open and/or
short.
Procedure
0.
condition
but AH sensor does not
Defective
CPU unit.
end
stage
1 or does
not
stop
Procedure
0.
0 pen
or loose
wire
connection
to the
Check and repair wiring.
cooking
cycle
or the oven stops
above components.
soon.
AH sensor
assembly
and/or
steam duct
Check and repair them.
are not re-installed
correctry.
13
Advertisement
Table of Contents
