I did this repair yesterday without blowing anything up.
I have repeatedly found information on this forum helpful, so I thought I would share my experience.
Last year I upgraded a dated Hayward system with the OmniPL upgrade kit (also discovered here).
I ignored some warnings about my chemistry early on, which finally resulted in corrosion forming on the T-CELL connector on the PCB.
Upon removing the plug to attempt to clean it recently, I noticed some pins were missing - completely corroded and destroyed due to my negligence no doubt.
The error "T-CELL Cable/Sensor Open Chlorinator1" was constant, so that made perfect sense at this point.


Close-Up:

Ordered a New Connector from DigiKey:
Part#: WM7188-ND
Link: https://www.digikey.com/en/products/detail/molex/0015246101/3044404
Price: $ 1.31 (plus $12.99 2nd day FedEx shipping because I am impatient)

Removal was a little challenging due to my soldering skills (or lack thereof), but I finally got it out.
Bottom side view:

Top side view:

Bottom Side View after soldering new connector in place:

Done and installed back in place.... Happy to report that everything works.
I also replaced the T-CELL, since I bought that first hoping it would fix things. I will keep the old one and may attempt to replace the male connector and have the cell as a spare - (probably not to be honest though).

I have repeatedly found information on this forum helpful, so I thought I would share my experience.
Last year I upgraded a dated Hayward system with the OmniPL upgrade kit (also discovered here).
I ignored some warnings about my chemistry early on, which finally resulted in corrosion forming on the T-CELL connector on the PCB.
Upon removing the plug to attempt to clean it recently, I noticed some pins were missing - completely corroded and destroyed due to my negligence no doubt.
The error "T-CELL Cable/Sensor Open Chlorinator1" was constant, so that made perfect sense at this point.


Close-Up:

Ordered a New Connector from DigiKey:
Part#: WM7188-ND
Link: https://www.digikey.com/en/products/detail/molex/0015246101/3044404
Price: $ 1.31 (plus $12.99 2nd day FedEx shipping because I am impatient)

Removal was a little challenging due to my soldering skills (or lack thereof), but I finally got it out.
Bottom side view:

Top side view:

Bottom Side View after soldering new connector in place:

Done and installed back in place.... Happy to report that everything works.
I also replaced the T-CELL, since I bought that first hoping it would fix things. I will keep the old one and may attempt to replace the male connector and have the cell as a spare - (probably not to be honest though).
