Troubleshooting Information - PUMPWORKS PW-SP Serie Manual Del Usuario

PROBLEM
Pump does not turn on
Pump will not shut off
Pump runs but does not discharge liquid
Pump does not deliver rated capacity
Pump cycles continually

TROUBLESHOOTING INFORMATION

PROBABLE CAUSES
Pump not plugged in
Circuit breaker shut off or fuse removed
Accumulation of trash on float
Float obstruction
Defective motor
Float obstruction
Pump is air locked
Liquid inflow matches pump capacity
Check valve installed backwards
Check valve stuck or plugged
Lift too high for pump
Inlet to impeller plugged
Pump is air locked
Lift too high for pump
Low voltage, speed too slow
Impeller or discharge pipe is clogged
No check valve in long discharge pipe allowing liquid to drain back into sump
Check valve leaking
Basin too small for inflow
CORRECTIVE ACTION
Plug in pump
Turn on circuit breaker or replace fuse
Clean float
Check float path and provide clearance
Have pump serviced by authorized service center
Check float path and provide clearance
Shut power off for approximately 1 minute, then restart . Repeat several times to
clear air from pump
A 3/16" hole should be drilled in the discharge pipe between the pump discharge
and check valve
Larger pump required .
Check flow indicating arrow on check valve body to insure it is installed properly .
Remove check valve and inspect for proper operation
Check rating table
Pull pump and clean
Shut power off for approximately 1 minute, then restart . Repeat several times to
clear air from pump
A 3/16" hole should be drilled in the discharge pipe between the pump discharge
and check valve
Check rated pump performance
Check for proper supply voltage to make certain it corresponds to nameplate voltage
Pull pump and clean . Check pipe for scale or corrosion
Install a check valve in discharge line
Inspect check valve for correct operation
Install larger basin
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