Reducing induced voltage in pump control panel

Dubl-P

New User
Location
Saugerties NY
Occupation
Builder
Good day all.

I have an audible alarm going off in a septic pump control panel which is sounding off in a flickering/ intermittent way when the float switch powers up the pump.
I believe this is due to induced voltage because the float switch and power wiring was run in the same conduit, contrary to the manufacturers instructions as shown on the label on the panel cover.
We are in the finishing stages of the project and it would not be great to dig now to run a second conduit.
I am looking for the band-aid solution.
Can I install a resistor or something like that to manage this trickle of power and prevent the alarm from going off under less than fully powered conditions (when the alarm float switch is actually activated)?
Photo at this LINK
Thanks for your attention!
 
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