Product Manual

Troubleshooting

The manufacturer reserves the right to make improvements in design and/or changes in specifications at any time

without incurring any obligation to install them on units previously sold.

Problem

Solution

Motor will not start

SOLUTION: A,B, M, N, O

Low/Surging pressure or no water flow

SOLUTION: C,D,E,F,G,H

No chemical injection

SOLUTION: I,J,K,L

Cause

Solution

A- Tripped GFCI cord

Reset GFCI cord

B- Tripped motor relay

Reset motor

C- Insufficient water supply

See water supply section of this manual

D- Plugged pump inlet filter

See maintenance section of this manual

E- Wrong nozzle

Make sure high-pressure nozzle is being used

F- Plugged nozzle

Remove nozzle, check for blockage

G- Worn nozzle

Replace nozzle

H- Leak in pressure hose

Replace pressure hose

I- Wrong nozzle

Make sure chemical nozzle is being used

J- Back pressure from extra-long discharge hose

Try shorter hose

K- Leak in chemical siphon hose

Replace hose – use hose clamps if necessary

L- Chemical strainer not submerged

Make sure strainer is completely submerged

M- Tripped circuit breaker

Make sure breaker is rated to 120V/20A (990990 only)

Make sure breaker is rated to 230V/30A (990991 only)

N- Extension cord too long

Use extension cord with an appropriate rating for distance

O- Debris in flow switch

Clean flow switch