Troubleshooting

Symptom	Cause	Remedy
Seat Bounces on Descent	Air in Cylinder	Purge air out by running the lift up and down two or three times. See operating label.
Air in Cylinder Every Day	Air entering hose or cylinder if seat is left in the up position and water is shut off.	Purge air out by running the lift up and down two or three times. See operating label.
Lift rises more slowly than usual	Low Water Pressure; heavier than usual person on lift; leaking hose, dirt particles in valve; lift kept under high pressure for extended period of time.	Fluctuations in city water pressure are not unusual; replace defective hose, clean valve, turn off water and lower lift slightly each night.
Water squirts from top of cylinder.	Large amounts of water are getting past seal	Often this corrects itself. If it does not, clean or replace the seal.
White, gray or brown chalky deposit	High pH, high alkalinity, high calcium content in water (hard water)	Clean unit with soft cloth or Scotchbrite® pad and Formula 409® cleaner (NEVER USE STEEL WOOL ON YOUR LIFT); apply a good quality car wax and buff to protect finish. Repeat as often as needed.
Corrosion of metal parts	Low pH, low alkalinity high acidity, low calcium content in water (soft water)	Clean unit with soft cloth or Scotchbrite® pad (NEVER USE STEEL WOOL ON YOUR LIFT); apply a good quality car wax and buff to protect finish. Repeat as often as needed.
Electrolysis	Improper Grounding of Unit	Add a ground to the unit.
Chair doesn't come up or go down when valve handle is turned	Broken valve stem which allows the handle to spin without making contact, defective valve	Repair valve stem or valve.