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R-1870
R-1871
PROCEDURE
LETTER
COMPONENT TEST
G12
CUSTOM
HELP
KITCHEN
TIMER
POWER
LEVEL
KEEP
WARM
TURNTABLE
ON / OFF
CONVEC
BROIL
FAN LIGHT
PREHEAT
CLOCK
SENSOR
REHEAT
SLOW
COOK
LOW MIX
BAKE
1
100 F
2
150 F
3
275 F
4
300 F
5
325 F
6
350 F
7
375 F
8
400 F
9
425 F
0
450 F
HIGH MIX
ROAST
STOP
CLEAR
START
TOUCH ON
SENSOR
COOK
MINUTE
PLUS
COMPU
DEFROST
COMPU
ROAST
COMPU
BAKE
COMPU
BROIL
POPCORN
G11
G10
G 9
G 8
G 1 G 2 G 3 G 4 G 5 G 6 G 7
Note: When defective components, the Control Unit or Key Unit are replaced, the defective part or parts
must be properly packed for return in the shipping carton, with its cushion material, in which the
new replacement part was shipped to you.
If the display fails to clear when the STOP/CLEAR pad is depressed, first verify the flat ribbon is making
good contact, verify that the door sensing switch (stop switch) operates properly; that is the contacts are
closed when the door is closed and open when the door is open. If the door sensing (stop switch) is good,
disconnect the flat ribbon that connects the key unit to the control unit and make sure the door sensing
switch is closed (either close the door or short the stop switch connecter). Use the key unit matrix
indicated on the control panel schematic and place a jumper wire between the pins that correspond to
the STOP/CLEAR pad making momentary contact. If the control unit responds by clearing with a beep,
the key unit is faulty and must be replaced.
If the control unit does not respond, it is
faulty and must be replaced. If a specific
pad does not respond, the above method
may be used ( after clearing the control unit)
to determine if the control unit or key pad is
at fault.
R KEY UNIT TEST