Reliability issue- PL-L remote


My remote for Nagra preamp PL-L malfunction after two hours of use.
i.e after two hours it stop controling the volumn and balance.Any idea what happened?
kcthong
Boy that sure was helpful Porziob.

KCTHONG- Try removing the batteries from the remote and reinserting.

Or of course, new batteries.

Call Nagra Dealer if that doesn't work.
Thank you for all the advices.Tried all the above .Guess got to let the dealer handle it.