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Canadian Spa Company
No temperature reading / sensor not detected
Display shows dashes (– –) or blank temperature reading; spa may not heat.
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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
Unplugged temperature sensor, Broken sensor wire, Failed sensor, Faulty sensor input on control board
How to Fix / Troubleshooting
Safety: Turn off power at the GFCI before opening the equipment bay.
- Check sensor connection: Locate the temperature sensor plug on the Canadian Spa Company spa pack and ensure it is fully seated.
- Inspect cable: Follow the sensor cable for damage or rodent chewing. Replace if compromised.
- Test sensor: With a multimeter, measure resistance and compare to expected values. Replace if out of range.
- Replace sensor: Install a new compatible temperature sensor in the heater tube or sensor well, ensuring proper sealing.
If the display still shows dashes with a new sensor, the control pack may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Primary Temperature Sensor (Thermistor) for Canadian Spa Company Spa Pack
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