Water drive problems can indicate underlying plumbing points

https://myelms.umd.edu/eportfolios/33842/home/tips-to-maintain-plumbing-system-in-your-home

Water strain concerns can imply underlying plumbing points. If you detect fluctuating or low water strain, it may well be time to seek advice from a plumber to diagnose practicable leaks or blockages to your machine.