Sharp R-2397, Service Manual

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8
R-2397
CONDITION
“ . “ does not appear on display when power
cord is plugged into wall outlet.
Control panel can not accept key in.
Fuse F6.3A blows when the door is opened.
Home fuse blowns when power cord is plugged
into wall outlet.
Weak point A017 blowns when power cord is
plugged into wall outlet.
Oven lamp, fan motor and stirrer motors do not
work for 1 minute whenever the door is opened
or after cooking.
Fuse F2 F6.3A blowns when power cord is
plugged into wall outlet.
Oven lamp does not light when door is opened.
(Blower and stirrer motors work)
Blower motor does not work when door is
opened. (Oven lamp lights and stirrer motors
work)
“EE 1” appear in display.
“EE 2” appear in display.
“EE 3” appear in display .
“EE 6” appear in display.
“EE 7” appear in display.
“EE 9” appear in display.
Oven lamp, blower motor and stirrer motors do
not work.
Oven lamp does not work.
Blower motor does not work.
Oven does not stop after end of cooking cycle or
when STOP/CLEAR key is touched. (Oven lamp,
blower motor and stirrer motors stop.)
Home fuse blows when starting the oven.
Oven goes into cook cycle but shuts down
before end of cooking cycle.
Oven seems to be operating but no heat is
produced in oven load.
It passed more than 1 minute after cooking but
oven lamp, blower motor and stirrer motors do
not stop.
“EE 0” appear in display .
“EE 16” appear in display.
“EE 17” appear in display.
“EE 8” appear in display .
“EE 10” appear in display .
Stirrer motors do not work.
PPROBLEM
TEST PROCEDURE A A B B C C C D D E E E E E F F G H
ON
CONDITION
OFF
CONDITION
MAGNETRON MG1 MAGNETRON MG2 HIGH VOLTAGE TRANSFORMER T1 HIGH VOLTAGE TRANSFORMER T2 H.V. RECTIFIER ASSEMBLY FOR MG1 H.V. RECTIFIER ASSEMBLY FOR MG2 H.V. WIRE HARNESS H.V. CAPACITOR C1 H.V. CAPACITOR C2 1ST. LATCH SWITCH 2ND. LATCH SWITCH 3RD. LATCH SWITCH MONITOR SWITCH STOP SWITCH WEAK POINT A018 F3 WEAK POINT A018 F4 WEAK POINT A017 F1 FUSE 6.3A F2
POSSIBLE CAUSE
AND
DEFECTIVE PARTS