Troubleshooting; Troubleshooting Chart - RIDGID SEP-500 Manual Del Usario

SEP-500, SEC-400, and SEC-600 Sewage Pumps

TROUBLESHOOTING

TROUBLESHOOTING CHART

Symptom
Pump will not start or run
Pumps start and stops too
often
Pump will not shut off or
themal protector opens
Pump operates but delivers
little or no flow
9
10
8
Possible Cause(s)
1. Blown fuse or breaker
2. Low line voltage
3. Defective motor
4. Defective switch
5. Impeller not rotating
6. Float obstructed
1. Backflow of water from
piping
2. Float out of adjustment
1. Defective switch
2. Obstacle in piping
3. Float obstructed
1. Low line voltage
2. Plugged impeller
3. Check valve installed
backwards
4. Pump is airlocked
5. Check valve stuck or
plugged
6. Total system head is too
high for pump
2
3
4
6
7
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.
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. Adjust Tethered Float Switch, increase the
length of tether.
1. Replace switch.
2. Remove pump and clean pump and piping.
3. Make sure float moves freely up and down.
1. If voltage is under 108 volts, check wiring size
2. Clean out impeller.
3. Check arrow on check valve to ensure it is
installed properly.
4. Check to see that a 1/16" hole is drilled 1" to 2"
above pump discharge.
5. Remove check valve and clean. Inspect for
proper operation.
6. Check system head requirments. Either reduce
system head or change pumps.
1
5
Ridge Tool Company
Figure Description
1 Motor/power cord
2 #10-24 Hex Nut
3 #10 Split lockwasher
4 #10 lockwasher
5 Motor housding
gasket
6 Impeller
7 Volute
8 1 Pint Dielectric oil
9 Mechanical switch
10 1/4" NPT plug
Ridgid Cat #
SEP-500
90262
90267
90272
90277
90282
90287
90292
90297
90302
90307
7