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3-9
SECTION 3
OPERATION
Figure 3-11
Middleby Marshall
ALM
HEAT
92
FAIL SF
2
C
c. FAILSF (Failsafe) See Figure 3-11.
AA. If the oven does not reach 200°F (93°C) in 15
minutes, the temperature controller will shut off the
high flame valve and begin flashing “FAILSF” and
“SET PT” alternately. You will also note that the “2”
in the ALM window stays on. This condition signals
a problem in oven heating or heat sensing.
BB. To reset the temperature controller, turn off the
blower switch . Wait 10 seconds and turn the
blower switch back on. The “2” in the ALM
window, the current temperature set point, and the
words “SET PT” will be displayed again. The tem-
perature controller will now cycle through its normal
procedures.
d. F/C - The F/C window will display either an “F” or a
“C”.
AA. The “F” indicates that the temperature displayed
is in degrees Fahrenheit.
BB. The “C” indicates that the temperature displayed
is in degrees Celsius.