OPERATING INSTRUCTIONS Continued
Timer
The timer is set by rotating the dial clockwise aligning the
indicator to the desired time cycle. The timer will count down
from 2 minutes to 60 minutes. At the end of the timing cycle
the buzzer will sound. The buzzer is turned off by rotating the
dial counter-clockwise to the off position.
NOTE: The timer does not control heating.
Master 450 Electronic Control with
Cook-N-Hold and Master 455 Electronic
Control with Cook-N-Hold & Core Probe
Modes
In Off Modes
When the controller is off , the display will show "OFF".
Pressing the ON/OFF key will activate the controller into
Start Up Mode.
Start Up
In Start Up mode, the controller will heat to the last set
temperature, time and fan speed. The factory defaults are
350°F (177°C), 30 minutes and low fan speed. The display will
indicate "LO" when the oven is below the set temperature.
When the oven cavity reaches the set temperature and is
ready for operation the display will indicate "LOAD".
NOTE: If the oven temperature goes above the requested
temperature the display will indicate "HI" If the oven
temperature goes above 575°(302°C) the display will indicate
"HELP" and an audible signal will sound. This is a safety
feature.
If the door is opened during a cooking mode, the fan and
heat will stop, and the display will indicate "DOOR" until the
door is closed. This is a patented safety feature.
Pressing the ACTUAL TEMP key will display the actual oven
temperature in 5° increments.
Controller Keys
Pressing the ON/OFF key will activate the oven.
Pressing the LIGHT key will turn the lights on for 30 seconds.
The lights will work if the controller is in the Off mode. When
the door is opened, the light will come on and stay on for 30
seconds.
Part Number 1955203 rev 4 4/15
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