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Hayward Aqua Solar GL-235 Support Question

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Question posted by donapplegate728 on October 21st, 2023

Solar Sensors Changed My Sensors Now All My Lights Stay On On Manuel An Auto

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Answer #1: Posted by SonuKumar on October 21st, 2023 9:56 PM

This answer was accepted by the poster of the original question.

SonuKumar

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If your Hayward Aqua Solar GL-235 solar sensors have been changed and now all of your lights stay on in both manual and auto mode, it is likely that there is a problem with the wiring or with the sensors themselves.

To troubleshoot the problem, you can try the following:

Check the wiring. Make sure that all of the wires are properly connected to the control box and to the sensors.

Clean the sensors. Make sure that the sensors are clean and free of dirt and debris.

Test the sensors. You can test the sensors by disconnecting them from the control box and measuring the resistance with a multimeter. The resistance should be between 10k]7; and 12k]7;. If the resistance is outside of this range, then the sensor is faulty and needs to be replaced.

Check the control box. If you have tried all of the above and the problem persists, then the control box may be faulty and needs to be replaced.

If you are not comfortable troubleshooting the problem yourself, you should contact a qualified pool technician.

Here are some additional troubleshooting tips:

Make sure that the control box is set to the correct mode.

Check the power supply to the control box.

Check the fuses for the control box.

Try resetting the control box.

If you have tried all of the above and the problem persists, then the control box or the sensors may need to be replaced.

Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

Regards,
Sonu
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Related Hayward Aqua Solar GL-235 Manual Pages

Model: GL-235 - Page 1

... will offer and equivalent credit towards the purchase of Hayward. Aqua Solar GL-235 Electronic Solar Control Operation and Installation Manual GL-235 www.haywardnet.com The datecode stamped on the outside the USA.... All charges will be COD (COD charge will not assume any of Hayward Pool Products with Hayward. IN NO EVENT SHALL HAYWARD BE RESPONSIBLE OR ANY CONSEQUENTIAL OR...

Model: GL-235 - Page 2

... of 5 feet (horizontally) from the unit, measure the resistance of pools, spas, and hot tubs. Remove the internal panel to the terminals marked "SOLAR SENSOR". In general, a separate ground conductor must be replaced. Low Voltage (LV) output: Solar Valve The GL-235 controls a single valve. If the sensor is not returning the correct value, it to expose the...

Model: GL-235 - Page 3

... "Heating" is always on , there is an internal circuit failure and the GL-235 will have to attach the sensor near other connector. Reconnect the pool sensor and verify that the actual pool temperature, and the solar sensor is warmer than the pool water. If the "CHECK SENSOR" indicator remains on , the valve output will operate first, and then the...

Model: GL-235 - Page 4

...; The GL235 High Voltage Output must be wired for Timer Override function. 4 Measuring Voltage of Pool Sensor (Use the same method to measure the Solar Sensor) Figure 5 9 The GL-235 is shipped from the pool to the collector panels, thus cooling the pool over time. To activate nocturnal cooling, install the jumper provided onto the two pins marked...

Model: GL-235 - Page 5

...). The GL-235 will show when the system is above the "Desired Temperature" setting. To test the system, move the switch to "MANUAL TEST" and verify that both the "Heating" and "Cooling" indicators light and that all indicators except "Power" are off to solar loop) when the collector (solar) sensor temperature is higher than the pool/spa sensor temperature...

Model: GL-235 - Page 6