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Problem Probable Causes Corrective Action
E. Power supply component or
interface board has failed.
E. If any component in the power
supply system (including the
transformer and interface
board) fail, power will not be
supplied to the computer and it
will not function.
Computer locks up.
Computer error.
Remove and restore power to the
computer.
Heat indicator off
upon initial startup.
Display shows hi or
hot with alarm
sounding.
Failed computer.
Replace computer.
CM7 display is in
wrong temperature
scale (Fahrenheit or
Celsius).
Incorrect display option programmed.
See section 1.14.2 on page 1-35 to
change temperature scale.
CM7 display shows
hot-hi-1.
Frypot temperature is more than
410ºF (210ºC) or, in CE countries,
395ºF (202ºC).
This in an indication of a
malfunction in the temperature
control circuitry, including a
failure of the high-limit
thermostat.
CM7 display shows
HI-LIMIT.
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
opened properly.
CM7 display shows
low temp.
Frypot temperature is between 180°F
(82°C) and 315°F (157°C).
This display is normal when the
fryer is first turned on while in the
melt cycle mode. To bypass the
melt cycle press and hold a #2
product button under the LCD
display until a chirp is heard. The
alarm will chirp and the computer
displays EXIT MELT
alternating with YES NO. Press
the #1 YES button to exit melt. It
may appear for a short while if a
large batch of frozen product is
added to the frypot. If the display
never goes out, the fryer is not
heating.
CM7 display shows
ERROR RM
SDCRD
Defective SD Card Replace card with another card.