Osmolator Issue

4bruceinc

Member
I seem to remember that the sensor should have a visible red light.

My issue is a constant overfill that only stops when the alarm/float is tripped.

The sensor has been cleaned with vinegar and soapy water - there are no micro bubble issues in the sump and it had worked flawlessly for over a year.

I think that there should be a visible red light/laser on the sensor that detects the water level. But of course I could be wrong.

Nothing about the setup has changed so I hope that this is just a bad sensor that needs to be replaced.

Please let me know what you think.
 
I'm have the same problem. unplugged and it seem to be working again.
I would like to know a fix too.
I don't remember seeing a red light???
 
When I turn mine off/on, it does stop. However, it continues to run during the next top off cycle.

I thought the infrared on the optical sensor was visible - It is so funny that I have barely paid this thing any attention because it has been so reliable.

I've already sent an email to Roger and will let you know how it is resolved.
 
The sensor produces no visible light.

I am responding here, but I did also get your email.

An important piece of the puzzle will be what light is on on the controller during this overfill. In general the optic sensor will fail in an off position, so it should always show a green light. The most common cause of what you are describing is a siphon, the pump starts during a top off and shuts off but water continues to siphon because the water level in the reservoir is above the end point of the hose, i.e. you have bucket with 18" of water and the hose is clamped to a 16" high sump. It can also be cause when a tank is smaller (below 50 gallons) and the overfill which is normal is too much. The osmolator adds a deliberate overfill of about 1pint. It is under warranty still (2 years) so if it needs service, so long as no water damage is involved, it would be covered.
 
Thanks Roger.

Here is what i am experiencing:
1. When it is initially plugged, it stops at the correct level
2. When the next fill cycle begin, the yellow (pump on) light remains on and keeps filling until the alarm sounds.
3. The top off goes into the display not the sump.
4. There has never been any water on the controller

If it needs to be returned, please let me know what needs to be included i.e. just the controller or controller and...

Regards
 
If the tank/sump volume is small (below 50 gallons total volume) if the float is close to the sensor, the deliberate overfill may be the cause and restricting the top off hose may be the fix. This is an odd problem otherwise as the sensor should almost universally fail in the off position.

It would be best to include the controller, pump and power supply, also include a note describing the issue and a return address and phone number

Tunze USA
305 Victor St
Austin, TX 78753
 
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