Troubleshooting Guide

3 Sump & Pedestal Pump Troubleshooting Guide
K2P
K2 PUMPS CUSTOMER SERVICE, CALL 844.242.2475
Problem 2: Pump operates but delivers little or no water
Possible Causes Corrective Action
1. Debris is caught in the impeller, pump inlet or
discharge pipe
1. Remove the debris. Refer to the "Care and Cleaning"
instructions in your manual
2. Impeller is loose on the shaft
2. Reassemble the impeller and be sure it is secured to the
shaft
3. Impeller is damaged or broken
3. Replace the Impeller
4. Check valve is installed backwards
4. Make sure the arrow on the check valve is pointing
away from the pump
5. Vertical pumping lift is too high
5. Refer to the owner's manual for the "Maximum Lift" of
your model in the performance chart
6. Pump is air-locked
6. Drill an 1/8" hole in the discharge pipe between the
check valve and the pump.
7. Discharge pipe is installed incorrectly
7. The discharge pipe may have too many 90 degree
bends which reduces the water flow. See the owner's
manual for installation instructions.
8. Discharge shut-off valve, if used, may be closed
8. Open the shut-off valve
9. Low supply voltage
9. Consult a professional electrician
10. Pedestal pumps only - the bottom base is
damaged and leaking
10. Contact Customer Service to order a Replacement
Plate Kit
Problem 3: Pump starts and stops too often
Possible Causes Corrective Action
1. Water is flowing back from the discharge pipe
4. Install a check valve, see owner's manual for
instructions
2. Check valve is leaking
2. Replace the check valve
3. The float switch is stuck
3. Remove any obstructions and make sure the float
switch can move freely
4. Submersible sump only - the float switch failed*
4. Replace the float switch*
5. More water is flowing into the sump basin than
the pump can handle.
5. Replace the pump with one that has a higher GPH and
flow rate, or add a backup pump to the sump basin
* Pedestal Sump pumps do not have replacement switches. If the switch fails, replace the pump.