Troubleshooting; Troubleshooting Chart - RIDGID SP-330 Manual Del Usuario

SP-330, SP-330D, SP-500, SSP-1000 Submersible Sump Pumps

Troubleshooting

WARNING
!
Let the pump cool for a minimum of two hours before servicing because the pump contains hot oil under
pressure. Disconnect pump from power source before servicing.

TROUBLESHOOTING CHART

Symptom
Pump will not start or run
Pumps start and stops too
often
Pump will not shut off or
thermal protector turns off
Pump operates but delivers
little or no water
Possible Cause(s)
1. Blown fuse or breaker
2. Low line voltage
3. Worn motor
4. Worn switch
5. Impeller not rotating
6. Float obstruction
1. Backflow of water from
piping
2. Defective switch
1. Dirty Solid-State Water
Sensor
(Model SSP-1000 only)
2. Defective switch
3. Obstacle in piping
4. Float obstructed
1. Low line voltage
2. Plugged impeller
Ridge Tool Company
Corrective Action
1. If blown, replace with proper sized fuse or reset
breaker.
2. If voltage is under 108 volts, check wiring size.
3. Replace motor or pump.
4. Replace switch.
5. If impeller will not turn, remove housing and
remove blockage.
6. Make sure float moves freely up and down.
1. Install or replace check valve.
2. Replace switch.
1. Clean sensor face / see Maintenance steps
2. Replace switch.
3. Remove pump and clean pump and piping.
4. Make sure float moves freely up and down.
1. If voltage is under 108 volts, check wiring size.
2. Clean out impeller.
7