On Mon, 19 Sep 2016 15:04:21 -0700 (PDT),
wrote:

My propane fireplace has a battery operated wall unit that controls the pilot.
Right now (summer) the batteries are dead, and the pilot isn't lit.
I was planning to clean the glass screen, and started to wonder if the propane
is off and if it's safe to open the unit. Can someone help? Thanks!


... might be prudent to seek such advice from your owners manual -
- especially safety advice. ... that said ..
You will smell it - propane is quite distinctive.