Sharp R-980J Service Manual page 13

TEST PROCEDURE
PROBLEM
CONDITION
Home fuse blows when
power supply cord is plugged
into wall outlet.
Fuse M8A blows when power
cord is plugged into wall out-
let.
Display does not show any-
thing when power cord is first
OFF
plugged into wall outlet.
CONDITION
Display does not operate
p r o p e r l y w h e n S T O P /
CLEAR pad is touched. (The
time of day should appear on
the display with beep sound
during normal condition.)
Oven lamp does not light with
door opened.
Oven lamp does not light at all
Oven lamp light, but turnta-
ble motor does not operate.
COOKING
Cooling fan motor does not
CONDITION
operate.
The oven stops after1 minute
Oven does not go into a cook
cycle, when START pad is
touched.
Low or no power is produced
during microwave cooking
(The food is heated incom-
pletely or not heated at all)
(MICROWAVE)
Extremely uneven heating is
produced in oven load (food).
Function of variable cooking
does not operate properly ex-
cept HIGH power.
CONV indicator lights, but
heating element does not
heat.
Temperature in the oven cav-
ity is lower or higher than
preset.
(CONVECTION)
Convection cycle runs 1
minute then the oven shuts
down.
Convection cycle runs 3 min-
utes then the oven shuts
down.
Oven is in the sensor cook-
ing condition but AH sensor
does not end 1st. stage or
(AH. SENSOR)
does not stop cooking cycle
or the oven stops soon.
A B C D E E E F G G H I J J J J K M N O O O O O O P Q
11
R-980J
CK = Check / RE = Replace
RE CKCK CK RE
L