Introduction

This HELP contains the following information and instructions:

^ How to Use the DRBII Keys
^ How to Reach the Module Menu
^ How to Read Fault Messages with the DRBII
^ How to Select a DRBII Test Function
^ How to Perform EVIC or EIC Actuator Tests
^ How to Use the DRBII Volt/Ohmmeter
^ How to Use the DRBII Menu

If there is a problem with the operation of the DRBII, the screen will display a blank screen, a CCD bus failure message, or any of the following error messages:
NO RESPONSE
KEYPAD TEST FAILURE
RAM TEST FAILURE
HIGH BATTERY
CARTRIDGE ERROR
LOW BATTERY

If this happens, refer to Information Bus for diagnosis and repair procedures.

NOTE: Problems with the operation of the DRBII must be corrected before proceeding with fault diagnosis testing.