⚠️ Status: Obsolete
The Siemens Pad3 is a legacy addressable NAC Power Extender. Replacement main boards are no longer manufactured. A full system upgrade is highly recommended.
Common Siemens PAD3 Trouble Codes
- AC FAULT: The primary 120VAC power source has been disconnected or the dedicated circuit breaker has tripped.
- BATTERY TROUBLE: The backup power supply batteries are missing, completely depleted, or failing to hold the required standby voltage.
- GROUND FAULT: A bare field wire on a notification circuit has made unauthorized contact with a grounded metal backbox or conduit.
- NAC TROUBLE: A notification appliance circuit has a physical break or short preventing the panel from supervising the horns and strobes.
Is your legacy Siemens PAD3 power supply displaying constant LED trouble faults in your Austin commercial property? Our licensed technicians can troubleshoot these obsolete notification circuits and provide a clear path to upgrade your system to ensure full code compliance.