Sensor for Intellichlor IC-40

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Stew1751

Stew1751

0
Nov 28, 2015
20
O'Fallon,IL
My FC readings have been reading zero for the past couple of weeks and I’m burning through my menards pool shock to keep up. I figured the IC-40 could use a good acid clean. When I took it off, it appears that my sensor has corroded away. I assume this means it’s time for a new SWG, but just wanted to verify with you all first. Thanks in advance for the advice!
-Chad
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There is a flow switch in the IC but not a sensor. Your flow switch should never corrode away.

Did the IC show no flow?
 
The thing that corroded off was the metal spring tab that holds the magnet which closes the reed switch for flow indication. You can easily field-replace the flow switch / thermistor assembly.

Better question - where did the spring-steel metal tab go??? Is it rattling around by the plates? If so, you can short out the plates and cause problems.
 
JoyfulNoise said:
The thing that corroded off was the metal spring tab that holds the magnet which closes the reed switch for flow indication. You can easily field-replace the flow switch / thermistor assembly.

Better question - where did the spring-steel metal tab go??? Is it rattling around by the plates? If so, you can short out the plates and cause problems.
Click to expand...

The only thing I could find in the unit was what I assume is the magnet. Nothing else was rattling around. I removed that, but I guess the damage could already be done. Would the SWG not produce chlorine if this flow switch/ thermistor assembly was not functioning? It seems pretty easy to replace that assembly and it around $50-60 online. However, do t want waste the money if the cells are already ruined. Thanks again!!!
 
The SWCG would have been showing a red Flow light and not producing chlorine if the flow switch had failed.
 
Stew1751 said:
The salt level lights keep flashing between good and low.
Click to expand...

1751,

That is because you are not getting a good flow light... The flashing is a calibration routine, but it will never finish unless you have good flow.

If this were my IC40 I would install a new flow switch and see what happens.. A pretty easy DIY project.

Thanks,

Jim R.
 
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