https://community.usa.canon.com/t5/Speedlite-Flashes/Canon-600-RT-2-not-reading-Batteries/m-p/389167#M3624 <P>this has been discussed numerous times in this forum.&nbsp; The flash will not recognize the batteries and displays a blank battery symbol with a line through it.&nbsp; Some of the fixes have been centered around the adapter for the filter causing an issue.&nbsp; i never use it or have it on the flash.&nbsp; Other fixes suggested are opening and closing the battery door with the unit on, holding the reset buttons, etc.&nbsp; It seems all of these fixes work for some and nothing for others.&nbsp; I had issues with this on a big important shoot with a second shooter and we had to improvise to use my Fashpoint Explorer 300 only, on a light stand.&nbsp; In my humble opinion this is inexcusable!&nbsp; For the cost of these flashes this should not be happening, or Canon should fix or reimburse anyone having this problem.&nbsp; I have inquired with a lawyer re: a class action suit, since Canon seems to plead ignorance to the problem.&nbsp; When you invest in equipment that is not cheap, it should perform as expected and one should not have to fiddle around with battery doors, or filter holders, etc.&nbsp; I bought it to shoot when i need it, not to fumble with.&nbsp; If there is an issue it should have been resolved by Canon long ago.</P><P>My immediate fix is to use another brand.&nbsp; The flashpoint r2 recycles faster, is a 3rd the price, doesnt use AA's, and doesnt have any glitches to figure out or play with.</P> Sun, 09 Oct 2022 08:27:39 GMT photopro 2022-10-09T08:27:39Z https://community.usa.canon.com/t5/Speedlite-Flashes/Canon-600-RT-2-not-reading-Batteries/m-p/389167#M3624 <P>this has been discussed numerous times in this forum.&nbsp; The flash will not recognize the batteries and displays a blank battery symbol with a line through it.&nbsp; Some of the fixes have been centered around the adapter for the filter causing an issue.&nbsp; i never use it or have it on the flash.&nbsp; Other fixes suggested are opening and closing the battery door with the unit on, holding the reset buttons, etc.&nbsp; It seems all of these fixes work for some and nothing for others.&nbsp; I had issues with this on a big important shoot with a second shooter and we had to improvise to use my Fashpoint Explorer 300 only, on a light stand.&nbsp; In my humble opinion this is inexcusable!&nbsp; For the cost of these flashes this should not be happening, or Canon should fix or reimburse anyone having this problem.&nbsp; I have inquired with a lawyer re: a class action suit, since Canon seems to plead ignorance to the problem.&nbsp; When you invest in equipment that is not cheap, it should perform as expected and one should not have to fiddle around with battery doors, or filter holders, etc.&nbsp; I bought it to shoot when i need it, not to fumble with.&nbsp; If there is an issue it should have been resolved by Canon long ago.</P><P>My immediate fix is to use another brand.&nbsp; The flashpoint r2 recycles faster, is a 3rd the price, doesnt use AA's, and doesnt have any glitches to figure out or play with.</P> Sun, 09 Oct 2022 08:27:39 GMT https://community.usa.canon.com/t5/Speedlite-Flashes/Canon-600-RT-2-not-reading-Batteries/m-p/389167#M3624 photopro 2022-10-09T08:27:39Z