www.waynepumps.com
PC4
5
TROUBLESHOOTING CHART
Symptom
Possible Cause(s)
Corrective Action
Pump will not start or run
1. Blown fuse
1. If blown, replace with proper sized fuse or reset
breaker
2. Low line voltage
2. Contact an electrician
3. Worn brushes
3. Replace brushes
4. Impeller blocked
4. Remove blockage
5. Defective motor
5. Replace pump
Pump will not prime or retain prime after
operating
1. Air leak in suction line
1. Repair or replace suction line (use plumbers
tape to install garden hose adpater fittings and
priming plug onto pump body)
2. Impeller blocked
2. Remove blockage
3. Worn seal
3. Replace seal
4. Suction lift too high
4. Lower pump
5. Hose kinked or looped
5. Straighten hose
6. Fittings not tight
6. Tighten fittings
7. Suction hose out of water
7. Submerge suction hose end
8. Clogged inlet
8. Clean inlet
Flow rate is too low
1. Piping or hose is fouled or damaged
1. Clean or replace
2. Low line voltage
2. Contact an electrician
Seal leaks
1. Worn seal
1. Replace seal
2. Backhead damaged or cracked
2. Replace backhead
3. Pump head loose on motor
3. Insure proper assembly and no obstruction,
tighten bolts
Thermal Protector Tripping
1. Damage or misalignment causing rotating
parts to bind
1. Take to motor repair shop or locate and repair
mechanical binding
2. High surrounding temperature
2. Provide a shaded, well-ventilated area for pump
3. Low line voltage
3. Contact an electrician
4. Motor housing air-vents blocked
4. Remove air-vent blockage