Unit Operation
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A red indicator LED is located between the ON Key and OFF
Key at the left side of the display. This indicator will glow if
Alarm Code 91 Check Electric Ready Input occurs. It will also
light if a 15 pin Thermo King data cable is connected to the
serial port on the back of the controller (DPD).
The primary and secondary key uses are shown in the table
below. If the key has more than one use the primary use is
shown first.
ON Key
Pressing the ON Key will turn the unit on.
Secondary Use - When the unit is on, pressing this key and the PRETRIP Key at the same time will
display any alarm codes that are present.
Secondary Use - When the unit is on, pressing and holding this key allows the UP ARROW Key and
DOWN ARROW Key to increase or decrease the display brightness.
Secondary Use - When the unit is on, pressing this key will return to the Standard Display of box
temperature and setpoint.
POWER OFF Key
Pressing the OFF Key will turn the unit off.
