E06
Kripsol
Outlet Water Temperature Sensor Fault (NTC2)
Heater displays E06 and shuts down; may start briefly then stop.
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Safety Warning
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.
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Possible Causes
Defective Kripsol outlet NTC sensor, Loose or corroded sensor connector, Short circuit in sensor cable, Sensor not fully inserted into outlet manifold
How to Fix / Troubleshooting
Safety first: Turn off power before working on sensors or the control board.
- Locate outlet sensor: Identify the Kripsol outlet NTC probe on the heater’s outlet manifold or heat exchanger outlet.
- Check mechanical fit: Ensure the sensor is fully seated in its well or threaded port and secured with the retaining clip or nut.
- Inspect and test: Examine the wiring harness for damage. Disconnect the sensor and measure resistance at pool temperature; compare to the Kripsol NTC chart. Replace if readings are out of range.
- Connector cleaning: Clean any oxidation from the connector pins with electrical contact cleaner and reconnect firmly.
- Restart: Restore power and attempt to run the heater. If E06 persists with a known-good sensor, the control board’s sensor input may be faulty and require professional replacement.
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Repair Difficulty
Medium
3/5
Required Part
Kripsol outlet NTC temperature sensor
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