Common Problems and Solutions in Sump Pumps, Part 1

Hot water system

Common Problems and Solutions in Sump Pumps, Part 1. We enter a new series of articles, this time related to the most common problems in sump pumps and their possible solutions

Possible Cause: Yes the pump motor is running backwards.
Solution: Reverse two of the three wires that go from the controller to the 3-phase motor.

Possible Cause: The pump capacity cannot supply the demand.
Solution: Use a pump with a higher flow rating.

Possible cause: The temperature in the controller is too high. If the controller heat exchanger becomes too hot, the controller will reduce the output frequency to the motor to reduce current consumption.

Solution: Make sure there is at least 10.2 cm (4 inches) of space around the controller for air to circulate. Avoid direct sunlight. Reduce the ambient temperature below 40 ° C (104 ° F). Increase the input voltage if it is below 230 VAC.

SUMP PUMP flooded basement

Possible Cause: The pump capacity cannot supply the demand.
Solution: Use a pump with a higher flow rating.

Problem: waterlogged tank.
Solution: Check if the tank air bag is damaged. Replace the motor if necessary.

Problem : The pressure tank is too small for the pump’s nominal flow capacity.
Solution: Use a larger tank, minimum tank of 15.1 liters or 4 gallons.

Problem: Home or exterior plumbing leak.
Solution: Check for leaky taps, valves, and / or pipe connections and repair.

Problem: Leak in detachable adapter.
Solution: Reseat the detachable adapter. Replace the seal if necessary.

Problem: Defective pressure switch.
Solution: Check continuity between pressure switch terminals and replace if necessary.

Problem: Loose pressure switch wire connection or broken wire.
Solution: Check the pressure switch wire connections at the display panel and at the pressure switch. Check the continuity of the cables.

Problem: The unit is in pressure switch control mode and the transducer is attached backwards.
Solution: Check that the brown wire from the transducer is connected to S1 and the blue wire is connected to the S2 terminals. Change the control mode from pressure switch to transducer.

We will continue to post solutions to the most common sump pump problems, for now take a moment to check out the following sump pumps, which are the ones we especially recommend to our readers.

WAYNE CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump With Integrated Vertical Float Switch

$230.30
$152.12  in stock
20 new from $152.12
2 used from $144.50
Free shipping
Buy Now
Amazon.com
as of February 19, 2021 5:28 pm

Features

  • Assembled in the US with foreign and domestic parts
  • Top suction pump design minimizes air locks and clogging from debris in bottom of sump pit.Assembled in us, with foreign and domestic components
  • Stainless steel motor housing and rugged, cast iron pump base
  • Vertical float switch, tested to 1 million cycles!4600 GPH at 10 ft. of discharge lift
  • 1-1/2 In. NPT Discharge for compliance with building codes

Wayne WSS30VN Upgraded Combination 1/2 HP and 12-Volt Battery Back Up System

$450.00
$414.13  in stock
2 new from $414.13
3 used from $357.82
Free shipping
Buy Now
Amazon.com
as of February 19, 2021 5:28 pm

Features

  • New and upgraded WAYNE WSS30V. Completely pre-assembled and drop in ready.
  • Primary pump float switch tested to 1 million cycles, up to 10X more than competitors.*
  • Assembled in the US with foreign and domestic parts
  • Protection when you need it, back up pump continues running when the power is out. For Use In 16 inch. Diameter or Larger Sump Basins
  • Primary pump moves up to 5100 GPH at 0 feet of head.

WAYNE CDU790 1/3 HP Submersible Cast Iron and Steel Sump Pump With Integrated Vertical Float Switch

$139.00
$112.95  in stock
20 new from $110.99
3 used from $103.91
Free shipping
Buy Now
Amazon.com
as of February 19, 2021 5:28 pm

Features

  • Assembled in the US with foreign and domestic parts.
  • Cast iron pump housing for durability
  • Mechanical float switch provides reliable operation and allows installation in sump basins 11" in diameter or larger
  • Top suction strainer filters debris and protects pump from clogging
  • High capacity 1-1/2" npt discharge

Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp

$183.00
$169.50  in stock
34 new from $169.50
1 used from $165.00
Buy Now
Amazon.com
as of February 19, 2021 5:28 pm

Features

  • 3/10 HP pump for residential sump pits or septic tanks
  • 1½" discharge, passes 1/2" spherical solids
  • Automatic model with integral float-activated switch
  • Cast iron switch case, motor, and pump housing, plastic base
  • Performance: 43 GPM at 5' TDH, shut-off: 19.25' TDH. 100% factory tested

Superior Pump 92341 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

$180.99
$87.11  in stock
14 new from $87.11
4 used from $73.69
Free shipping
Buy Now
Amazon.com
as of February 19, 2021 5:28 pm

Features

  • 1/3 HP Sump pump moves up to 2,760 gallons per hour; pump will lift water up to 25' of vertical height
  • Rugged cast iron construction; 10-foot cord length
  • Vertical float switch to automatically turn the pump on/off. Switch on and off point is 6 and 2 inches
  • 1-1/2 inch NPT discharge for high capacity pumping
  • Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested