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Tucson Equinox fault 4.A

Outlet open, tap or leak (pump fails to stop)

Shower pump

What it means

Pump fails to stop because an outlet, tap is open or there is a leak in the system.

Likely causes

  1. Outlet open
  2. Tap open
  3. Leak in the system
  4. An outlet open, tap or leak etc.
  5. Debris or foreign bodies entering the pipeline
  6. Reduced water feed supply through blocked strainer filters

Where to start

  1. Check that outlets are closed and no leaks are present
  2. If installation has isolation valves on outlet of pump, close and see if pump stops - if unit stops there is likely an issue with the system leaking
  3. Isolate the inlet and outlet connections

The full answer, free

  • 9 more checks in order
  • The readings and component tests from the manual
  • How to put it right, step by step
  • The manual page for this fault (page 15), 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 Tucson manual for the Equinox. Check the model on the data plate before you order parts.

Other Tucson Equinox fault codes