Problem Probable Causes Corrective Action
M2007 display
shows
PROBE
FAILURE.
Problem with the temperature
measuring circuitry including the
probe.
This indicates a problem within the
temperature measuring circuitry
that is beyond the scope of
operator troubleshooting.
M2007 display
shows PROBE
FAILURE
with
alarm sounding.
Damaged computer wiring harness or
connector.
Swap the computer wiring harness
with one known to be good. If
problem is connected replace
harness.
M2007 display
shows IGNITION
FAILURE.
Open drain valve, failed computer,
failed interface board, open high-
limit thermostat.
This indicates that the fryer is not
heating. It is displayed if the fryer
loses its ability to heat oil. It is
also displayed when the oil
temperature is above 450°F
(232°C) and the high-limit
thermostat has opened, halting the
heating of the oil. Verify that the
drain valves are fully closed.
Computer will not
go into program
mode or some
buttons do not
actuate.
Failed computer. Replace compute
M2007 display
shows HI 2 BAD.
Computer in high-limit test mode.
This is displayed only during a test
of the high-limit circuit and
indicates that the high-limit has
failed.
Heat indicator off
upon initial startup.
Display shows hi or
hot with alarm
sounding.
Failed computer.
Replace computer.
M2007 display
shows ignition
FAILURE with
alarm sounding.
Heating indicator is
on, but fryer is not
heating.
Drain valve not fully closed.
Press the reset switch on the MIB
board. All drain valves should
close. Using the ON/OFF switch,
turn the computer OFF and then ON
again.
M2007 display
shows IGNITION
FAILURE and
alarm sounds, but
fryer operates
normally (false
alarm).
Failed computer.
Replace computer.
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