SWG not working

[Jbarodin]

This is my first pool opening as last summer my pool installer did everything so everything worked great.
This summer not so smooth. My SWG is reading "Error purify off, check flow". I checked the troubleshoot guide and it says to check connections, empty skimmer baskets, etc, and everything appears to be connected properly. Filter is working great. But my chlorine levels are very low because of this.
Any suggestions what could be causing this?
TIA!

 

[JamesW]

Check the union screen and check the cell for scaling.

 

[JoeGolan]

This is my first pool opening as last summer my pool installer did everything so everything worked great.
This summer not so smooth. My SWG is reading "Error purify off, check flow". I checked the troubleshoot guide and it says to check connections, empty skimmer baskets, etc, and everything appears to be connected properly. Filter is working great. But my chlorine levels are very low because of this.
Any suggestions what could be causing this?
TIA!

Does your system have a separate flow detection sensor? If so sensor (switch) could be bad if you believe your actual flow is good.

 

[domct203]

While you are troubleshooting the SWG you better maintain FC with bleach or you are going to have a green pool on your hands.

 

[Jbarodin]

Thank you everyone for the help. I actually didn't do anything yet but when I checked today everything seems to be running fine. Light & msg no longer blinking. Chlorine levels appear to be going up. So I'll keep an eye on it. Gonna add bleach anyway to give it a boost. Strange.