In message <64D32EE8B9CBDD44963ACB076A5F6ABB02717398@Mailbox-Tech.lecotech.local>, dated Mon, 21 Sep 2015, "Kunde, Brian" <[email protected]> writes:

The word we get from the field is that these power supplies are failing while the instruments are in Stand-by mode (running but not during an analysis), meaning, the high current filter is not running at the time of the failures.

When you say 'it's not running', I understand that the furnace current isn't flowing, but is the filter connected to the mains supply? If so, that is possibly a more hazardous condition, because a filter with open-circuit output can produce high voltages.
--
OOO - Own Opinions Only. With best wishes. See www.jmwa.demon.co.uk
When I turn my back on the sun, it's to look for a rainbow
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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