Kripsol
Short Cycling
Heater starts and stops frequently in short cycles without maintaining stable temperature.
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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
Oversized Kripsol heater for pool volume, Thermostat sensor located in poor circulation area, Flow rate too low causing rapid temperature rise, Faulty temperature sensor causing erratic readings
How to Fix / Troubleshooting
Safety first: Turn off power before adjusting sensors or wiring.
- Check sensor placement: Ensure the Kripsol water temperature sensor is installed in a well-mixed part of the plumbing, not in a dead leg or near the heater outlet only.
- Increase flow: Adjust valves to increase flow through the heater and verify the pump is running at appropriate speed.
- Adjust setpoint: Avoid setting the temperature extremely close to current water temperature; allow a reasonable differential.
- Test sensor stability: Monitor the displayed water temperature. If it jumps rapidly, test and replace the Kripsol NTC sensor if faulty.
- Hydraulic balancing: In severe cases, a professional may need to adjust bypass piping or recommend a buffer tank for spas.
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Repair Difficulty
Medium
3/5
Required Part
Kripsol water temperature sensor
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