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Unread 07/06/2016, 03:39 PM   #1
fishdoc11
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Optical sensor not triggering pump

Roger,
I have a 5017 that is two or three years old that the optical sensor is not triggering the top up pump to come on. I can unplug and plug back in and it will run for a few seconds but then it stops. This started when I dropped the plug on the power supply in the top up container. I dried it out for a couple of days and hooked it back up. The float switch seems to be working well and the green light on the unit stays on like the water level is normal even when low. Any ideas?
thanks, Chris


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Unread 07/07/2016, 08:31 AM   #2
rvitko
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The two are probably not related, typically any water damage causes the water damage signal of too high on solid, too low flashing. I would first try soaking the optic sensor in vinegar for a few hours and wiping it with a soft towel. A mineral haze will blind it resulting in a perpetual "level" indication.


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Roger Vitko
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Unread 07/07/2016, 06:47 PM   #3
fishdoc11
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Thanks for the response Roger. The sensor looks crystal clear but will soak overnight in vinegar and report back


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Unread 07/08/2016, 08:11 AM   #4
rvitko
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Keep me posted, a bad sensor is not impossible and they can be replaced.


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Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
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Unread 07/08/2016, 10:24 PM   #5
fishdoc11
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Soaked the sensor overnight in vinegar and wiped well and unit still has green light with water level below sensor.


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Unread 07/09/2016, 08:51 AM   #6
fishdoc11
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I guess I need a new sensor Roger. Where can I order one?


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Unread 07/11/2016, 08:30 AM   #7
rvitko
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Generally we install them here, the sensor has to be soldered in and sometimes a calibration of the board is required to the new sensor so we like to verify everything is correct. The sensor is $28.80 and we do not charge to install or calibrate it.

Tunze USA
305 Victor St
Austin, TX 78753

If you send it in, just include a note with return address and phone number. I would only need the controller with attached sensors.


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Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
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Unread 07/11/2016, 04:54 PM   #8
fishdoc11
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K, sounds good, thanks Roger.


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