Read Sharp R-23AM (serv.man3) Service Manual online
8
R - 2 2 A T
R-23AM
R - 2 4 A T
R-23AM
R - 2 4 A T
“ . “ does not appear on display when power cord is plugged into
wall outlet.
Control panel can not accept key in.
Fuse F2 F6.3A blows when the door is opened.
Home fuse blows when power cord is plugged into wall outlet.
Fuse F1 F13A blows when power cord is plugged into wall outlet.
Oven lamp, fan motor and stirrer motors do not work for 1 minute
when the door is opened or after cooking.
Fuse F2 F6.3A blows 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” (Magnetron MG1 failure)
“EE 2” (Magnetron MG2 failure)
“EE 3” (Magnetron MG1 and MG2 failure)
“EE 6” (Thermistor (1) failure)
“EE 7” (Exhaust air temperature is high)
“EE 9” (Exceeded max. heating time) for R-22AT/ R-24AT
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. (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.
It passed more than 1 minute after cooking but oven lamp, blower
motor and stirrer motors do not stop.
“EE 16” (Thermistor of MG. and (2) are open.)
“EE 17” (Magnetron temperature is high.)
“EE 8” (Relay melt short)
Stirrer motors do not work.
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 SW1
2ND. LATCH SWITCH SW2
3RD. LATCH SWITCH SW3
MONITOR SWITCH SW4
STOP SWITCH SW5
FUSE M8A F3
FUSE M8A F4
FUSE F13A F1
FUSE F6.3A F2
MAGNETRON TEMPERATURE FUSE TF1
MAGNETRON TEMPERATURE FUSE TF2
B. MOTOR TEMPERATURE FUSE TF3
OVEN TEMPERATURE FUSE TF4
MONITOR RESISTOR R1
MAGNETRON THERMISTOR
OVEN THERMISTOR (1)
OVEN THERMISTOR (2)
STIRRER MOTORS SM
BLOWER MOTOR BM
HIGH VOLTAGE FUSE(S)
OVEN LAMP OR SOCKET
NOISE FILTER
POWER SUPPLY CORD
FUSE HOLDERS
Shorted wire harness
Opened wire harness
TOUCH CONTROL PANEL
RELAY RY-1
RELAY RY-3 [for R-22AT/24AT], RY2 [for R-23AM]
RELAY RY-4 [for R-22AT/24AT], RY3 [for R-23AM]
FOIL PATTERN
Mis adjustment of switches
HOME FUSE or BREAKER
No power at wall outlet
Over the max. cooking time [for R-22AT/24AT]
Due to programme lock
Temperature of magnetron thermistor is high.
Temperature of oven thermistor (1) is high.
Temperature of oven thermistor (2) is high.
KEY UNIT [for R-22AT/24AT], or SWITCH UNIT [for R-23AM]
A
A
BB
C
C
DDE
E
E
E
E
F
F
G
H
I
I
I
I
J
K
K
K
L
L
N
M
O
Q
Q
Q
R
P
TESTPROCEDURE
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
CONDITION
OFF
CONDITION
ON
CONDITION
PROBLEM
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