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4.
Others
Trouble
Cause
Table 4
Diagnosis
| ER-1010ETE
Oven lamp
does not
illuminate,
when door
is open.
ee
1) Fuse blown out.
Check fuse in fuse holder.
Replace fuse.
—
2) Poor contact of
power cord.
Check
power cord for continuity.
Also check to see if
power leads are securely wired.
Adjust or replace
3) Lamp blown out.
Check famp.
Replace lamp.
4) Magnetron
thermostat open.
b
5) Oven thermostat
open.
Lamp
does not illuminate,
even
after lamp is replaced
when door is open.
Check
thermostat
terminals
for continuity
with
wires
removed
using
multimeter.
If there
is no
continuity
between terminals, thermostat is defective.
Replace thermostat.
6) Defective lamp
contro! switch
Check
wiring
on
each
terminal,
NO,
NC
and
COM.
\f it is correct,
check
terminals
for continuity
with
wire
removed
using
multimeter,
pressing
switch
ON
and OFF repeatedly.
Replace lamp
control switch
Stirrer fan
does not
rotate,
Sparking
(or arcing in
cavity).
t
L
1) Defective stirrer
Motor
if motor does not operate with 240V
applied to motor
terminals, motor may be faulty.
Replace stirrer
2) Stirrer fan
caught by cavity
or spatter shield
1) Carbonized
dust in oven.
2) Stirrer fan
touches cavity
Check whether dust accumulates on spatter shield or its
support.
Check fan movement.
Clean oven cavity.
Microwave
turns off
during cook-
ing cycle.
Only regular
output.
1) Too smal! load of
food.
If small amount of food is heated for a long time, micro-
wave is turned off during operation.
To increase load,
place a cup of water
into oven cavity in
addition to food to
2) Defective
magnetron
thermostat
1) Defective
DC relay (1)
2) Defective
HV relay.
Check relay terminals for continuity with wires removed
and energizing DC relay coil.
If there is no continuity
between terminats, DC relay is defective.
Check relay terminals for continuity with wires removed
and energizing HV relay coil.
if there is no continuity
between terminals, HV reiay is defective.
CAUTION:
HV wire must be removed before check.
In this case, oven lamp does not illuminate but blower
operates normally.
SATS
Replace thermostat.
Replace DC relay (1).
Replace HV relay.
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