SC 48 cell

Welcome to TFP.

Does it just show it as off or is there other indications as to why it's off?

At 4 years old it may be nearing the end of it's life. You can have a local pool store test it and they should be able to tell if it's bad.
 
Thread Status
Hello , This thread has been inactive for over 60 days. New postings here are unlikely to be seen or responded to by other members. For better visibility, consider Starting A New Thread.