Frymaster FOOTPRINT 8196345 Service & Parts Manual page 39

Problem
Computer locks up.
Heat indicator off
upon initial startup.
Display shows hi or
hot with alarm
sounding.
CM7 display is in
wrong temperature
scale (Fahrenheit or
Celsius).
CM7 display shows
hot-hi-1.
CM7 display shows
HI-LIMIT.
CM7 display shows
low temp.
CM7 display shows
ERROR RM
SDCRD
Probable Causes
E. Power supply component or
interface board has failed.
Computer error.
Failed computer.
Incorrect display option programmed.
Frypot temperature is more than
410ºF (210ºC) or, in CE countries,
395ºF (202ºC).
Computer in high-limit test mode.
Frypot temperature is between 180°F
(82°C) and 315°F (157°C).
Defective SD Card
Corrective Action
E. If any component in the power
supply system (including the
transformer
board) fail, power will not be
supplied to the computer and it
will not function.
Remove and restore power to the
computer.
Replace computer.
See section 1.14.2 on page 1-35 to
change temperature scale.
This in an indication of a
malfunction in the temperature
control
failure
thermostat.
This is displayed only during a
test of the high-limit circuit and
indicates that the high-limit has
opened properly.
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
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.
Replace card with another card.
1-33
and interface
circuitry, including
of the high-limit
EXIT MELT
a