Sharp R-4P58 - Page 13

TEST
PROCEDURE
|AIBIC
DIEIEIEIFIFIGH
|
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||
||
iMjiolololololrint
°C
)
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
GH VOLTAGE GAPACITOR
iSE T160mA (F1)
GRILL HEATING ELEMENT S(TOP)
|__| BOTTOM HEATING ELEMENT
FCIL PATTERN ON P.W.B.
THERMAL CUT-OUT 125°C
TURNTABLE MOTOR
KE Y UNIT
FAN MOTOR
| | RELAY RY4
TY RELAY RY2 || RELAY RY3
P| RELAY RY4
|_| RELAY RY5 a
a;
PROBLEM
CONDITION
Fuse F2 15A blows when power
cord is plugged into wall outlet.
=
oO
ra
ke
WW
Zz
O
x
2
Fuse 1160MA blows when the f
| | POWER SUPPLY CORD
| E TC UGH CONTROL PANEL
Ot |_| OVEN LAMP OR SOCKET
|_| THERMAL CUT-OUT 150
|
a os FUSE 15A (F2
| | FUSE F8A (F3)
cil
ALT
HE aE
HE
~ | Ot — MIS-ADJUSTMENT OF SWITCHES
[| SHV. RECTIFIER ASSEMBLY aes ee
| C |_| PRIMARY LATCH SWITCH | © |_| MONITOR SWITCH
|_| © | SHORTED WIRE HARNESS
O [|_| OPENED WIRE HARNESS
Rom rae is:
door is opened.
Oven lamp does not light when door
is opened. (Display operates.)
Home fuse blows when power cord
is plugged into wall outlet.
“PRESS STOP" does not appear in
display when power cord is plugged
into wall outlet. :
Oven does not start when the
START button is pressed. (Display
operates.)
Oven lamp does not light. (Turnta-
ble motor operates.)
Fan motor does not operate. (Oven
lamp lights.)
Turntable
motor
does
not
operate.
e
Cy
e
(Oven
jamp
lights.)
Oven or electrical parts does not
stop when cooking time is 0 or
STOP button is pressed.
Oven
goes
into
cook
cycle
but
shuts
OO
C)
down
before
end
of cooking
cycle.
Oven seems to be operating but lit-
tle or no heat is produced in oven
load.
MICROWAVE
COOKING
CONDITION
Oven does not cperating properly
during variable cooking condition
except 100% cooking condition.
CONDITION
Bottam heating element does eal
ate.
Oven seems to be operating but lit-
tle or no heat is produced in oven
load. (Microwave power does not
seem to be generated properly.)
Grill heating element (top) does ap-
erate.
aie.
Oven goes into cook cycle but shuts
down
before
end
of
cooking
cycle.
Grill heating element (top) does op-
erate.
R-4P53a(
R-4P58(B 4
R-4P58 ;