Incorrect drive gear selected (manual Only) – Select correct gear

RPM selection switch set too low – Reset

Water pressure selection switch set to low – Switch to High

Dirty water filter – Clean

Incorrect or worn jetting nozzle – Replace

Filter isolation valve not fully open – Open

Water drain valve not properly closed – Close

Damaged sewer hose or fitting – Repair/Replace

Leaking rotary union/s – Repair/Replace

Regulator has worn valve/seat – Repair/Replace

Pump valves or packings worn – Repair/Replace

Regulator air pressure too low – Adjust

Water leak in water supply – Replace

Tank flush diversion valve worn – Replace