[Richard]

Is it safe to assume, it was not doing this before the work?

The simplest explanation is that you crossed up connections when reinstalling the rebuilt six pack.

Travel solenoids are closest to the bulkhead. Lower solenoids are in the middle. Raise solenoids are on the end closest to the rear of the coach. You can check for function by holding a washer to the solenoid while running the HWH pad through it’s paces. The solenoid is magnetized when activated.