LCD noise problem clip attached

[rayc]

This noise, or similar, has occurred across a couple of preamps & phantom power supplies across the last fortnight.
It's a Behringer C1 and has, until now, done a sterling job.
Any suggestions on the problem/s and possible solution/s?

 

[rayc]

arcaxis,
Thanks I'll try the dry. It's been very, very wet downunder. Not humid , just plain WET. We had about 8 days of solid rain - so heavy that for the 1st time in decades I left my m/cycle at home & caught a bus to work.
I'll try to dehumidify the thing.
Thanks for your help.

 

[moresound]

Arcaxis and the rest of us here in New England are darn close to 40 days and 40 nights of rain!!!