What a C5 Notification Means on Your System
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.
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GET A FREE QUOTEA 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.