KSB Controlmatic E.2 - User Manual

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Questions and Answers

K
Kristen ThompsonAug 10, 2025
What to do if KSB Controlmatic E.2 pump does not stop when closed?
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  Mr. Travis ChangAug 10, 2025
  If your KSB Control Unit pump continues to run even after closing all consumer installations, the issue might be due to severe leakage in the system. Inspect the shut-off valves and piping, and repair any leaks. Also, the flow detection might be prevented by sand or other solids blocking the check valve. Disconnect the unit from the mains supply and flush it through to remove any solids.
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Sharon BennettAug 19, 2025
Why does my KSB Controlmatic E.2 pump switch on and off frequently?
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  Brandon LoveAug 19, 2025
  If your KSB Control Unit experiences excessive pump switching frequency, it's likely due to minor leakage in the system. Try to eliminate any leakage at the consumer installations and pipe unions.
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Ethan SmithAug 27, 2025
How to fix unstable pressure in KSB Controlmatic E.2 pump?
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  perkinsdominiqueAug 27, 2025
  If your KSB Control Unit pump delivers flow, but the pressure is unstable, it could be due to air intake on the pump's suction side. Verify that the connections do not leak, that the suction strainer is not directly below the water surface, and that the water does not contain air (e.g., from a waterfall).
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Kimberly SmithNov 2, 2025
Why KSB Controlmatic E.2 pump does not start?
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  Kristin BallNov 2, 2025
  If your KSB Control Unit pump isn't starting, first ensure the system is energized by checking the mains connection. If that's not the issue, check that the pump is properly connected to the Controlmatic E.2. Also, verify the water level, ensuring the pump suction line is submerged, and press/hold the Reset key to prime the pump. If the electronic control system is blocked, unplug and re-plug the unit, and the pump should start within 5-6 seconds. Other potential causes include a clogged suction line (clean or repair it), an incorrectly connected pump motor (check the connection in the motor terminal box), or a pump discharge pressure lower than the unit's start-up pressure (the pump pressure must be 7 meters higher than the start-up pressure). Finally, the automatic control unit might be ...