Autopilot salt calibrate question

Aug 13, 2015
1
Punta Gorda FL
Pool Size
20000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Autopilot Digital Nano+ PPC2
We just move into a new to us house with a salt pool, the salt cell was just replaced, but I am having a hard time getting my test kit reading and the autopilot to agree, with the number, I did a calibrate the other day and adjusted the calibration level to 3300, my test kit said 3600, but the autopilot said it was at 2300. I could only adjust 1000 ppm. I added some salt as I wanted the level mid range now test kit says 4800 but autopilot says 3800, is that okay. It doesn’t let me change the calibration number anymore?
 
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