2-2
62-10630
Change 07/03
Keys
Manual defrost control key
Unit start-up key
Unit shut-down key in standby or road
mode
On road operation, the unit can also be
shut down with the ignition key.
Unit data and function modification
The SET key, together with the + and --
keys, enables display and modification
of unit operating data.
The display changes parameter each
time the SET key is pressed.
Decrement key for selected data
Increment key for selected data
2.3.2 Additional Key Functions
To access additional key functions, press and hold the
SET key for 5 seconds. The microprocessor will provide
a set of additional functions as the SET key is pressed
additional times after the 5 second hold. The sequence
for the additional functions is as follows:
Press SET for 5 sec. : this enables
access to the alarm codes
Press to display the alarm list
Press again to display software ver-
sions
Press to display the cab command
software version
Press again to display road hourme-
ter (Road LED ON)
Press again to display standby hour-
meter (Standby LED ON)
Press to display the present intervill
between defrosts (min) as calculated
by the microprocessor.
Press to display the elapsed time
(min) since the last defrost
Press to return to box temperature
2.3.3 Unit Operating Data LED Status
After an alarm (AXX) has been present for 15 minutes,
the red unit operating data LED flashes at 3 Hz. The
LED will continue to flash at 0.5 Hz when the
temperature goes back within the Set-point range
±
differential (steady green LED) and the alarm becomes
inactive (PXX).
Under normal operation, the green LED will indicate
temperature control status as follows:
SETPOINT
Set-point +5
_
C
Set-point +
differential hys-
teresis 1, 2, 3
_
Set-point --
differential hys-
teresis1, 2, 3
_
Set-point -- 5
_
C
Green LED
flashing 0.5 Hz
Green LED
flashing 3 Hz
Steady
green LED
Steady
green LED
Green LED
flashing 3 Hz
Green LED
flashing 0.5 Hz
2.3.4 Digital Display
The digital display consists of 4 alphanumeric
characters. The default value displayed is the box
temperature. The microprocessor enables selection of
the display in degrees Celsius or Fahrenheit.
The display also includes settings for defrost operation
(dF). During start up the brightness of the display may
be adjusted. to adjust, do the following:
Unit start-up
Press during first 5 seconds
the + or -- key to increase or
decrease the display bright-
ness.
