Thermo King B Series Diagnostic Manual

Section 3 - Software Description
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Accessing Additional Main Menu Screens
1. After all (if any) alarms are viewed, press the
Select key, until a flashing [dEF] is viewed.
This indicates the Manual Defrost function. To
change the [deF] setting, press the Enter key,
then use the Up Arrow or Down Arrow keys to
change the defrost setting to ON or OFF.
2. Press the Select key. An [SP] appears, to
indicate the setpoint temperature for the
return air temperature in the single or
primary load compartment of the vehicle.
To change the [SP] setting, do the following:
• Press the Up Arrow key to increase the
return air temperature by 1-degree
increments.
• Press the Down Arrow key to decrease the
return air temperature by 1-degree
increments.
• Press and release the SELECT key to return
to the Standard Display.
NOTE: If the Select key is not pressed within
20 seconds to select a new setpoint
temperature, the unit continues to operate at
the original setpoint temperature.
3. For vehicles with two compartments and
bi-temperature functions, the screen displays
[SP2]. This indicates the setpoint for the
return air temperature in the second (remote)
compartment.
To change the [SP2] setting, do the
following:
• Press the Up Arrow key to increase the
return air temperature by 1-degree
increments.
• Press the Down Arrow key to decrease the
return air temperature by 1-degree
increments.
4. Press and release the Select key to return to
the Standard Display.
NOTE: If the Select key is not pressed within
20 seconds to select a new setpoint
temperature, the unit continues to operate at
the original setpoint temperature.
Leaving the Main Menu
Leaving the Main Menu can be accomplished in
several ways.
• Press the Select key until you have toggled
through all of the Main Menu screens.
• Turn the unit off and back on. The In-cab
Control Box exits the Main Menu, at any
point in the scrolling sequence, and returns
to the Standard Display.
• Allow the display to time out. The In-cab
Control Box automatically exits the Main
Menu and return to the Standard Display, if
no key is pressed for 20 seconds.
- C - Total communications failure between the
microprocessor in the In-cab Control Box
and the microprocessor(s) in the ECM.
Unit is not able to turn on and operate.
The [- C -] alarm code is not part of the
Main Menu alarms. When a Main Menu
alarm occurs, the In-cab Control Box can
communicate with the ECM, and I/O and
parameter statuses can be checked.
When the [- C -] alarm code occurs, there
are no communications between the
In-cab Control Box and the ECM, and I/O
and parameter statuses cannot be
checked at the In-cab Control Box.
Alarm
Code
Alarm
Description

Thermo King B Series Specifications

General

Refrigerant	R-404A
Application	Truck
Voltage	12V or 24V DC
Heating Capacity	Varies by model
Dimensions	Varies by model
Noise Level	Varies by model