8.913-970.0 - L • WATERMAZE CLP 5024/7034
79
W
A
TER TREA
TMENT
SYSTEM
T
roub
leshooting Guide
TROUBLESHOOTING - PUMP
PROBLEM
POSSIBLE CAUSE
SOLUTION
PUMP DOES
NOT TURN
ON
Circuit breaker shut "OFF"
Turn "ON" circuit breaker.
Accumulation of trash on fl oat
Clean fl oat.
Float obstruction
Check fl oat path and provide clearance.
Defective switch
Check and replace.
Defective motor
Have pump serviced by authorized service cen-
ter.
Low line voltage
If voltage under recommended minimum, check
size of wiring from main switch on property. If
OK, contact power company.
PUMP WILL
NOT SHUT
OFF
Float obstruction
Check fl oat and fl oat rod path and provide clear-
ance.
Pump is air locked (Transfer Pump)
Shut power off for approximately 1 minute, then
restart. Repeat several times to clear air from
pump.
Liquid infl ow matches pump capacity
Larger pump required.
Defective fl oat switch
Disconnect switch, check with ohmmeter.
PUMP RUNS
BUT DOES
NOT DISCHARGE
LIQUID
Check valve installed backwards
(Transfer Pump)
Check fl ow indicating arrow on check valve body
to insure it is installed properly.
Check valve stuck or plugged
(Transfer Pump)
Remove check valve and inspect for proper
operation.
Lift too high for pump
Check rating table.
Inlet to impeller plugged
Pull pump and clean.
Low line voltage
If voltage under recommended minimum, check
size of wiring from main switch on property. If
OK, contact power company.
Clogged impeller
Remove housing, unclog.
Faulty motor protector
Replace pump.
Very low head or lift
Increase head or lift.
Sump pit too small
Increase size of pit.
PUMP DOES
NOT DELIVER
RATED
CAPACTIY
Low voltage, speed to slow
Check for proper supply voltage to make certain
it corresponds to nameplate voltage.
Impeller or discharge pipe is clogged.
Pull pump and clean. Check pipe for scale or
corrosion.
Impeller wear due to abrasives
Replace worn impeller.
PUMP
CYCLES
CONTINUALLY
Check valve leaking (Transfer Pump)
Inspect check valve for correct operation.
Low line voltage
If voltage under recommended minimum, check
size of wiring from main switch on property. If
OK, contract power company.
Worn or defective pump parts or
plugged impeller
Replace worn parts or entire pump.
Clean parts if required.
Pump air locked
Turn pump "ON" and "OFF" several times.
Fill hose manually with water.