ABB REL 551 2.3 Series Installation And Comissioning Manual page 51

Checking the self supervision signals
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ADC-module = OK No problem detected.
ADC-module = Fail The A/D conversion
module has failed.
Slot04BIM1 = Fail I/O module has failed.
(Example data, see
following section for
details)
RealTimeClock = OK No problem detected.
RealTimeClock = The real time clock has
Warning been reset.
TimeSync = OK No problem detected.
TimeSync = Warning No time synchroniza-
tion.
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3URSRVHG DFWLRQ
None.
Contact your ABB representative for ser-
vice.
Check that the I/O module has been config-
ured and connected to the IOP1- block.
If the problem persists, contact your ABB
representative for service.
None.
Set the clock.
None.
Check the synchronization source for prob-
lems.
If the problem persists, contact your ABB
representative for service.
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45