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25
RS2100005 Rev 0
Troubleshooting Procedures
"PLEASE TOUCH TIME
OF DAY" does not
appear in the display,
when unit is plugged in.
Is 120 volts
indicated.
Measure voltage
between pin 1 and
pin 3 of CN1
connector
Replace
circuit
board.
Verify proper
connection of
circuit board.
YES
NO
Unit
operates.
1. Check power supply.
2. Check fuse.
3. Check oven thermostat.
Display does not indicate
correct number pressed
or correct indication when
programmed.
Measure resistance
of control key panel
after removing ribbon
connector.
Is continuity
indicated when
key pad is
pressed.
Verify proper
connection of
ribbon
connector.
Replace
control
key pad.
NO
YES
Unit operates.
Does ribbon
connector
have proper
connection.
Replace
circuit
board.
Reconnect
ribbon connector
for proper
connection.
YES
NO
Key pad matrix is located in
“Testing Procedures” on page 22.