ABB DI803 3BSE022362R1 Communication bus related to electrification

Description

This section contains controller troubleshooting information.

Included is information on controller error codes, trouble

shooting flowcharts, diagnostic routines, and the controller

status summary.

Error codes provide specific controller fault information and

appropriate corrective action. Troubleshooting flowcharts pro

vide a quick look at hardware associated problems that may

occur during controller installation and startup. Diagnostic

tests help determine if there is a problem with controller com

ponents or circuitry. They are useful for testing the controller

when the system is down or there is some other means of con

trolling the process. For example, use the redundant controller

(if redundant controllers are installed) to control the process

while testing the primary controller. The controller status sum

mary is a 16-byte controller status record that provides sum

mary flags for error conditions, controller type, and firmware

revision level.

The controller firmware contains diagnostic routines that can

be invoked during controller power up. These routines verify

the proper operation of the controller components and cir

cuitry. Putting the controller in the diagnostic mode allows the

controller to perform a variety of diagnostic tests but suspends

normal operation.

Therefore, use it during installation to check controller integ

rity, when the system is down, or transfer system control to a

slot away from any communications bus associated with live

I/O to check a currently operating controller. Refer to Diag

nostic Test Selection in this section for information on how to

use the diagnostic routines. Table 5-3 lists each test routine

and gives a brief description.

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