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Stuart Turner Monsoon Professional fault E26

Leakage warning

Shower pump

What it means

System has detected a leak, displayed as E26 on-screen. Associated with pump running on with outlets closed, cycling on/off frequently, and pump leaks symptoms in general troubleshooting guide.

Likely causes

  1. Check valve faulty (debris)
  2. Pressure vessel charge low
  3. Pressure vessel damaged
  4. Leak in system
  5. Leak at system joints, seals or fittings

Where to start

  1. Run at full flow to try and flush away debris
  2. Remove, clean or replace non-return valve
  3. Recharge vessel to specification

The full answer, free

  • 3 more checks in order
  • How to put it right, step by step
  • The manual page for this fault (page 24), right under the answer
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Safety: Isolate power and water, and prove dead before you open or test the pump.

From the Stuart Turner manual for the Monsoon Professional. Check the model on the data plate before you order parts.

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