Allen-Bradley PF7000A

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Rockwell Automation Publication 7000-TG002J-EN-P - March 2015 21

Fault Messages Chapter 1

X External 1…16 1…16 These are the optional additional external faults available

when there is an additional XIO board installed. This is

configured with XIO Ext Faults (P593), and this message will

appear if the specific input (1-16) is configured in Fault Config

as a Class 1 or Class 2 fault.

• Review XIO board drawing:

• Identify source of input from the external fault XIO board print and investigate the cause of

the fault.

• Verify voltage signals from external sources.

XExt Cooling Loss

(C-Frame only)

65 The drive has detected the loss of the ability to provide

cooling for the drive. This is detected through feedback from

the heat exchanger cooling fans contactors and overloads.

• Review the inputs to the drive liquid cooling XIO and determine the source of the missing

signals.

• Investigate the heat exchanger fans and control for a cause.

• Check the liquid cool XIO card.

X Fault Code 159 159 Line voltage and/or line frequency loss at the drive input.

This fault is active when the drive operates in HPTC mode.

This fault is valid for firmware 10.002 and later revisions.

Bit 15 of Par#281 ('Drive Fault3') will be set for the fault.

• Investigate power disturbances at the drive input.

• Investigate if the fault is caused by starting or stopping the across the line starter or soft

starter.

• Verify voltage sensing board VSB1 is free of visible damage. Use a multimeter to check

resistances against nameplate ratings.

• Verify the parameter setting for line loss: Par #698 ('Line Loss Trip') is more or less than the

default value

• Upload black box data from the drive and contact MV Tech Support

X Fault Code 648 648 Rectifier A3 Fault: A3 diagnostic test failure on the OIBBS • Cycle the control power