Installing GE GSXF30V water Softener, troubleshoot ERR 1 message

DIY walk though of installing GE GSXF30V water softener, and troubleshooting ERR 1 message.

Items used:
3/4 x 3/4 push fit elbow
https://www.lowes.com/pd/SharkBite-3-4-in-Push-to-Connect-x-3-4-in-Push-to-Connect-dia-90-Degree-Standard-Elbow-Push-Fitting/1000182607

3/4 x 3/4 MNPT
https://www.homedepot.com/p/3-4-in-x-3-4-in-MNPT-Push-Fit-Fitting-MIP-Adaptor-Valve-UV63022/206827949

1" x 3/4" reducer
https://www.lowes.com/pd/B-K-1-in-Threaded-Coupling-Fitting/1000505605

Water Test Kit
https://www.amazon.com/gp/product/B007QQZL0U/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&psc=1

Видео Installing GE GSXF30V water Softener, troubleshoot ERR 1 message канала Jonathan Davis