Black Box PQ-8S, PQ-8P manual Error Message Description Probable Cause

		PQ-8P, PQ-8S
	Table 7-1. Error Messages.
Error Message	Description	Probable Cause
Output Timing Error	The twinax output	A circuit is not
	circuits are not	functioning, or a
	responding to the	terminated cable is
	microprocessor as	not attached to the
	expected.	PQ-8.
Unexpected Vector	The interrupt handling	Initialization problems,
or Improper Byte	process received an	non-functioning circuits,
Vector	improper interrupt	or microprocessor problems.
	value.
Error in Poll	A poll test was sent to	A terminated cable is not
Address X	the indicated address	properly installed, a circuit
	but was not received	is not functioning, or
	properly.	connections are intermittent.
Incorrect Data on	A poll was sent to the	Problem with the twinaxial
Poll to Address X	indicated address and	receiver circuitry.
	was detected as a poll;
	however, the data
	received was not the
	expected data.

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