Emaux Imbalance / Misalignment

Pump vibrates excessively, causing the base and connected pipework to shake.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Damaged or unbalanced impeller, Loose mounting bolts, Pump not level on base

How to Fix / Troubleshooting

Safety first: Turn off the pump before tightening any bolts or touching the housing.

  • Check mounting: Ensure the Emaux pump is firmly bolted to a solid, level base. Tighten mounting bolts evenly.
  • Inspect impeller: Remove the pump housing and check the impeller for missing pieces or heavy deposits on one side that could cause imbalance. Clean or replace as needed.
  • Align pipework: Make sure the connected pipes are not forcing the pump into a twisted position. Adjust supports or unions to relieve stress.
  • Test run: After reassembly, run the pump and observe vibration. Minor vibration is normal; strong shaking is not.

Severe vibration that cannot be corrected by these steps may indicate a bent motor shaft and require motor replacement.

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Repair Difficulty

Medium 3/5

Required Part

Impeller
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