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Xp95 I/O unit input earth fault
#1
Have an Advanced MX pro panel with an xp95 I/O unit with an earth fault on the input showing on the panel, IO has been changed, cable changed and disconnected from far end of cable but still fault returns, anyone experience this
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#2
(14-07-2020, 05:05 PM)Bero Wrote: Have an Advanced MX pro panel with an xp95 I/O unit with an earth fault on the input showing on the panel, IO has been changed, cable changed and disconnected from far end of cable but still fault returns, anyone experience this

Have you tried changing the I/O unit for another one
Peter Robinson




07889 038650

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#3
Yes, already changed
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#4
If you don't get the fault with the eol connected straight into the io, but you do with the eol connected at the far end of the cable, then it's the cable.
If you only get it when the external equipment is connected, then there's something on the equipment causing it.

I had one once with a gas suppression panel I was monitoring when they connected it in to a voltage output instead of a dry contact.
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#5
As above seen it caused by 3rd party equipment when the input is active.
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#6
Also had this on the vesda VEP's, contact was kicking out 5v.
Whistle Admit to nothing, deny everythingWhistle
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#7
Make sure dill switch 128 is off.
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#8
(15-07-2020, 05:53 AM)COMM ENGINEER Wrote: Make sure dill switch 128 is off.

That doesn’t usually cause an earth fault. Will just double address whatever the other switches add up to
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#9
The CPC of 3rd Party equipment connected to same terminations for loop screen?
All posts are of my own opinion and knowledge and do not reflect the views of the Company I work for.
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