Pulsafeeder Polyfeeder EN - Manual (Page 45)

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12. Troubleshooting
Difficulty Probable Cause Remedy
Mixing chamber motor
does not run Faulty power source Check power source
Blown fuse, circuit breaker Replace - eliminate overload
Broken wire Locate and repair
Wired improperly Check diagram
No water flow Lines clogged Clean and flush
Closed line valves Open valves
Strainer clogged Remove and clean. Replace screen if
necessary
No neat polymer flow Check valve leakage Clean, replace if damaged
Leak in suction line Locate and correct
Strainer fouled Clean or replace screen
Product change Check viscosity and other variables
Supply tank vent plugged Unplug vent
Finished polymer
concentration incorrect No neat polymer flow See above
Improper water flow Check rotameters, see above
Incorrect calculations Review calculations
Abnormal noise Hardware loose Check and tighten
Piping loose Check and secure
Air bubbles in water flow Locate source and address