vector 1800 mt - Sunbelt Transport Refrigeration

2.6.3 Microprocessor Component DescriptionAnd LocationThe microprocessor controller consists of two modules-- the control module (See Figure 2-7) and display andkeypad module (See Figure 2-8). The control module ishoused in the control box on the lower roadside (right)corner of the unit. This control module consists of a logicboard and an input/output board. The control modulecontains externally accessible relays and fuses. Thedisplay and keypad module is located for driver accessat the lower roadside corner of the unit.The processor board in the control module includes themicroprocessor, program memory and necessaryinput/output circuitry to interface with the unit. Themicroprocessor is totally self contained and does notcontain any serviceable components.The display board is mounted in the keypad and displaymodule. The board includes the LCD display, keypadand keypad interface.The keypad & display module provides the user with apanel to view and control the functions of therefrigeration unit. The module consists of a switch,keypad, MessageCenter, and Main Display. Setpointsand other system information are selected using thekeypad. Figure 2-8 shows the display & keypadmodule.CAUTIONUnder no circumstances should anyone attempt to repair the Logic or Display Boards. Should aproblem develop with either of these components, contact your nearest Carrier Transicold dealer forreplacement.a. Control ModuleFigure 2-7 shows the Control Module. The ControlModule has 3 relays and 4 fuses that are useraccessible.The PC card slot is also shown in Figure 2-7. This cardslot is used with all Carrier Transicold PC Cards. Thecontroller automatically detects the presence and typeof PC Card inserted and responds accordingly. Thedifferent types of PC Cards are:SDownload Card for copying unit data from DataRecorder.SOptions PC Card for installing optional softwareprogramsSConfiguration PC Card for setting the MicroprocessorFunctions, Configurations and Data Recorderconfigurations.SProgram PC Card for upgrading the microprocessorsoftware.There are three LEDs associated with the function of thePC card slot. These are:•A green Micro Status LED which will blink steadily onceper second indicating that the microprocessor isoperating and will blink every 0.5 seconds if there is nosoftware or if it is loading software.•A green (PC) Card Status LED which comes on whenthere is a PC card inserted in the slot. This LED will:1. Blink every 0.5 seconds when data is being transferredto or from the PC Card, and Will be on steadywhen the operation is complete and the PC Cardmay be removed.2. During Download, the light will blink once per secondand will blink every 1.5 seconds when the Downloadis complete.•A red (PC) Card Fault LED blinks if there is a problemtransferring data from the PC card that has beenplugged into the PC card slot. The red LED will continueto blink until the PC card is removed. The LED will alsoblink if there is an error reading the card. Check theMessageCenter for description of error.62-110392--12