Zodiac PM40 Series - User Manual

Questions and Answers

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Angela PrinceAug 17, 2025
What to do if my Zodiac PM40 Heat Pump shows E3 error?
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  Eric FrederickAug 17, 2025
  If your Zodiac Heat Pump displays the error 'E3 Faulty water flowmeter', it could be due to several reasons. First, check if the flowmeter is incorrectly positioned and re-make the connections. If the connections are correct, ensure there is sufficient water flow; if not, increase the water flow rate. The flowmeter itself might be broken, requiring a replacement. Lastly, a faulty filter pump can also trigger this error, so consider repairing or replacing it.
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tammymooreAug 19, 2025
What does E1 error mean on Zodiac PM40 Heat Pump?
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  pwaltersAug 20, 2025
  If your Zodiac Heat Pump displays the error 'E1 High-pressure protection', there are several potential causes. A broken high-pressure sensor could be the issue, requiring replacement. Alternatively, the water circuit might be obstructed, or the water flow is insufficient, so remove any obstructions or increase the water flow rate. If these steps don't resolve the issue, the cooling circuit may be obstructed, and the pump should be inspected by a retailer.
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John HessAug 22, 2025
What causes E12, E13 or E14 error on Zodiac Heat Pump?
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  Amanda RamseyAug 22, 2025
  If your Zodiac Heat Pump displays 'E12 Outlet water temperature too low protection', 'E13 Outlet water temperature overheating protection' or 'E14 Protection against an excessive temperature difference between the water inlet and outlet', it may be caused by an obstructed water circuit, so remove the obstruction. Another cause may be insufficient water flow, so increase the water flow rate. Finally, the filter pump may be faulty, so repair or replace it.
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Debra MorganAug 26, 2025
What does P1 error mean on my Zodiac PM40 Heat Pump?
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  Joseph OrrAug 26, 2025
  If your Zodiac Heat Pump displays 'P1 Faulty inlet water temperature sensor', 'P2 Faulty outlet water temperature sensor', 'P3 Faulty coil temperature sensor', or 'P5 Faulty ambient temperature sensor', it indicates that the sensor is either disconnected or out of order. To resolve this, try to reconnect or replace the sensor.
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Anthony MartinAug 28, 2025
What does E4 error mean on Zodiac PM40?
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  Christian HarrisAug 28, 2025
  If your Zodiac Heat Pump displays the error 'E4 Incorrect phase lead connection (three-phase model only)', it means there is an incorrect phase lead connection. Connect the phase leads in the right order.
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Kathleen HallAug 31, 2025
What does E8 error mean on my Zodiac PM40 Heat Pump?
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  Troy SandersAug 31, 2025
  If your Zodiac Heat Pump displays the error 'E8 Faulty communication', it indicates an incorrect connection. To resolve this, re-make the connections.
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rmckeeSep 2, 2025
Why does my Zodiac PM40 keep tripping the circuit breaker?
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  cordovamarciaSep 2, 2025
  If your Zodiac Heat Pump is tripping the circuit breaker, ensure that the circuit breaker is correctly sized and that the cable section used is appropriate.
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samantha83Sep 5, 2025
What does E2 error mean on my Zodiac Heat Pump?
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  Vincent GarciaSep 5, 2025
  If your Zodiac Heat Pump displays the error 'E2 Low-pressure protection', it could be due to a few reasons. The low-pressure sensor might be broken and need replacement. Another possibility is an insufficient refrigerant level, which requires adding refrigerant. In some cases, the ambient temperature and inlet water temperature might be too low, requiring the pump to be inspected by a retailer.
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tadamsSep 7, 2025
Why is my Zodiac Heat Pump working but not heating the water?
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  Heather RoblesSep 8, 2025
  If your Zodiac Heat Pump is running, but the water temperature isn't increasing, several factors could be at play. Consider installing a heat-insulated cover on your pool. Ensure the heat pump is clean to maintain its efficiency. Check the external environment to ensure it's not hindering the heat pump's performance. Also, verify that the heat pump is appropriately sized for your pool and its environment.
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maxwelltracySep 12, 2025
What to do if Zodiac PM40 Heat Pump fan runs but compressor stops?
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  ihillSep 12, 2025
  If the fan of your Zodiac Heat Pump is running, but the compressor stops from time to time without any error message, try cleaning it to restore its performance.