Page 6
CONTROL FUNCTIONS
DISPLAY MESSAGES
POWER BUTTON
On/Off
DOWN & UP BUTTONS
Press and hold the Down or Up
buttons to cycle through temperature range
.
TEMPERATURE RANGES
For most units: 100°F (37°C)—220°F (104°C)
For unit 86254: 135°F (57°C)—220°F (104°C)
HEATING INDICATOR
Light indicates heating element is active.
COL = COOL
Heating element is off and cooling down to set
temperature.
PRE = HEAT
Heating element is on and warming up to set
temperature.
ERR = ERROR
Control board is not functioning. Repair is required.
(Please see page 12 for repairs.)
TO SET DISPLAY °F OR °C
• Turn unit off.
• Press and hold Down button,
then simultaneously press and hold
Power button for 30 seconds.
• Celsius indicator will activate to display °C
or deactivate to display °F.
CELSIUS INDICATOR
Light indicates temperature display mode is °C.
No light indicates temperature display mode is °F.
Temperature differential between cool and heat
is 10° F (5.5°C) of set temperature.
Display will switch between control functions
and set temperature until unit stabilizes.