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O P E R A T I O N
500-S, 750-S, 1000-S, 1000-UP • INSTALLATION/OPERATION/SERVICE MANUAL • 16.
ON/OFF KEY
Press the ON/OFF key once and the power
indicator light will illuminate. Press and hold
the ON/OFF key until the LED display turns
off (at least three seconds) and power
indicator light goes out.
UP/DOWN ARROW KEY
The UP and DOWN arrow keys are used for a
variety of settings when selecting the holding
temperature. If an arrow key is pressed and
released the display will show the current set
temperature for two seconds. If an arrow key
is held (at least eight seconds), the value will
change at a rapid rate. If the arrow key is
pressed and released in rapid succession, the
set temperature will change by increments of
one degree.
ENABLE / DISABLE BEEPER
A beeper sounds when an error code is
displayed. To choose between beeper on
and beeper off mode, the control must be
off, then press and hold the DOWN arrow
key until either "ON" or "OFF" is shown
in the LED display. Release arrow key
when desired mode is displayed.
FAHRENHEIT/CELSIUS
With the control off, to choose between
Fahrenheit and Celsius, press and hold the UP
arrow key until either °F or °C is shown in
LED display. Release key when desired
setting is displayed.
The control has a four-digit LED display. When
the display is on, it will show current holding
temperature, as well as diagnostic information.
CONTROL LOCK
The warmer controls can be locked so that no
changes can be made to the set temperature.
To lock the display, press and hold the
ON/OFF key and the Up Arrow key at the
same time. The lock LED will illuminate.
When the lock LED is illuminated, additional
programming will not be functional other than
the key sequence required to unlock the panel.
To unlock the display, press and hold the
ON/OFF key and the Down Arrow key at the
same time. The lock LED will extinguish. The
panel keys will resume normal function.
°F/ °C
OP TIONAL ELECTRON IC HOLDIN G CA BI NET CON TROL SET-UP
O P T I O N A L E L E C T R O N IC C O N T R O L I D E N T I F I C AT I O N
ᕃᕃ
P
OWER ON INDICATOR LIGHT
ᕄᕄ
O
N
/O
FF KEY
ᕅᕅ
H
EAT INDICATOR
ᕆᕆ
LED DISPLAY
ᕇᕇ
LOCK INDICATOR
ᕈᕈ
UP/DOWN
ARROW KEYS
ᕉᕉ
SHELF TIMER KEYS
ᕃᕃ
P
OWER ON INDICATOR LIGHT
ᕄᕄ
O
N
/O
FF KEY
ᕅᕅ
H
EAT INDICATOR
ᕆᕆ
LED DISPLAY
ᕇᕇ
LOCK INDICATOR
ᕈᕈ
UP/DOWN
ARROW KEYS