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Samsung Heat pump fault E907

Pipe rupture protection error

Heat pump

What it means

System has detected a pipe rupture protection condition

Likely causes

  1. Refrigerant pipe rupture or leak
  2. Pressure drop below safe threshold
  3. Pressure sensor malfunction

Where to start

  1. Check all refrigerant piping for visible leaks or damage
  2. Measure system pressure
  3. Inspect pressure sensors

The full answer, free

  • 3 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 85), right under the answer
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Safety: Isolate the outdoor unit and any backup heater, and give the inverter capacitors time to discharge before you open the electrics. Anything on the refrigerant circuit needs F-gas certification.

From the Samsung manual for the Heat pump. Check the model on the data plate before you order parts.

Other Samsung Heat pump fault codes