Heat pump heater shows E07; unit may shut down unexpectedly.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed outlet NTC sensor, Sensor not in proper contact with outlet pipe, Wiring damage, Control board sensor input failure

Safety first: Disconnect power before servicing.

Locate outlet sensor: Confirm it is correctly positioned on the outlet pipe or in its well and secured.
Inspect cable and connector: Ensure no cuts or abrasions and that the connector is firmly attached to the PCB.
Reset and test: After reseating, restore power and check if E07 clears.

If the error persists, replace the outlet sensor. Continued issues may indicate a faulty control board.

Medium 3/5

AstralPool Water Outlet Temperature Sensor

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