Electrical question

Good morning all,
Here is a pic of my swg. The little gray box off to the left is a main power switch to be able to shut off all power to pump and swg if ever needed. I noticed this morning it was in the down position which is the off position. Pump and swg are running. When I move the switch there is no resistance/no switching. I guess the question is, do you think I need to replace the switch or is there something inside the swg control panel I need to look at? Thank you for your help.
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The bat handle on that switch has a complimentary component on the inside that usually "flips" a toggle switch. It could be that the lever is loose on the shaft or that the switch "handle" has broken off. You can pull that cover off and what's wrong should be clear.
 
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