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Spa Temperature Sensor Troubleshooting

Spa Temperature Sensor Troubleshooting. Remote control is too far away from the spa; To disconnect the heater uêfirst, turn off the main circuit breaker, then remove both heater straps or wires from the system heater output, not the heater itself.

M7 Sensor for Spa Heater 24 inch M7 Model 32016 with Nut
M7 Sensor for Spa Heater 24 inch M7 Model 32016 with Nut from www.hottuboutpost.com

Disconnect the power for 30 seconds; The spa must have a good heater, pump, sensor, and controller. With no sensors plugged in, the hot tub will show warning signs, by flashing the led lights, and displaying a number of errors on the screen.

11 Rows A Problem With The Temperature Sensor;


Simply reset by pressing the big red button on your spa pack. If you power the spa down and power it back up it may work for a while but will do the same thing again. Call for spa service if the indicator continues blinking;

If They Do Not Match The Hot Tub’s Thermostat May Need To Be Recalibrated To Work Properly.


Wait 1 hour, assuming the hot tub was already set to at least 98°. If the controller does not supply correct power to the heater, the sensor, controller, or pump may need replacement. Verify if temperature probe is touching water or if cold air from back can affect reading.

Uêif You Have Unplugged All Of The Spa’s Components And The G.f.c.i.


Check the back of the thermostat. If the water temperature in the thermowell is the same as the water temperature in the rest of the spa, the switch is damaged and needs to be replaced. You may need to change the temperature sensor, or very rarely, the pc board.

Put Both Sensors Into The Same Cup Of Warm Water (Ideally Above The Set Temperature, So The Spa Won’t Try To Heat During This Test, As There Is No Heater Protection During This Test) And Verify That They Read The Same Temperature (Within 1°F/0.5°C).


Remote control is too far away from the spa; Turn the water temperature up to 104°. Your pump has to be running in order for the spa to heat up.

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Verify if temperature probe is properly connected. Disconnect the power for 30 seconds; Once you return power, check the logo lights to.

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