A C5 on your keypad means the internal date and time for your system need to be reset. You can find out how to do this in your system manual. Click here to select your manual.
Return to FAQs
My keypad is showing C5. What does that mean?
Equipment | My System | Panels | Troubleshooting
We're ready to help. No cost, no hassle. Just expert advice for your home or business.
Call 800.857.5028
or fill out the form below