Troubleshooting on pumps

These tips will help you to maintain the pumps quickly

Failure to Prime-Motor operates,but no pump discharge

l Restricted intake or discharge line.Open all line valves. check for“Jammed” check valves, and clean clogged lines.

l Air leak intake line.

l Punctured pump diaphragm.

l Defective pump check valve.

l Crack in pump housing.

l Debris in check valves.

Motor Fails to Turn On

l Pump or equipment not plugged in

l electrically.

l Loose wiring connection.

l Pressure switch failure.

l Defective motor or rectifier.

l Frozen cam / beading

Pump Fails to Turn Off after Discharge valves are Closed

l Defection of available liquid supply.

l Punctured pump diaphragm.

l Discharge line leak.

l Defective pressure switch.

l Insufficient voltage to pump.

l Debris in check valves

Low Flow and Pressure

l Air leak at pump intake.

l Accumulation of debris inside pump and plumbing

l Worm pump bearing(excessive noise).

l Punctured pump diaphragm.

l Defective rectifier or motor.

l Insufficient voltage to pump

Pulsating Flow.Pump Cycling On and Off

l Restricted pump delivery, Check discharge lines, fittings, valves and spray nozzles for clogging or under sizing