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Tucson Equinox fault 3A

Air trapped in pump (noise in pump)

Shower pump

What it means

Noise in the pump caused by trapped air.

Likely causes

  1. Air trapped in pump
  2. Feed taken directly from top of cylinder instead of dedicated shower tapping

Where to start

  1. Check the connection to the Hot water cylinder
  2. Check electrical current draw against rated Electrical Current value for the model
  3. Verify capacitor rating matches specification before replacement

The full answer, free

  • 2 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