Learn to replace a power adapter on a PA-220 Firewall.
The PA-220 firewall can operate on one power
adapter or you can install a second power adapter for power redundancy. If
two power adapters are installed and one fails, you can replace
the failed power adapter without interruption.
avoid injury to yourself or damage to your Palo Alto Networks® hardware
or the data that resides on the hardware, read the Product Safety Warnings.
Unplug the failed power adapter from the AC power
source and then turn the power cable connector nut on the back of
the firewall (PWR1 or PWR2) counterclockwise to release the cable.
Pull the cable away from the firewall to remove it.
Connect the DC connector from the new power adapter to
the power input (PWR 1 or PWR 2) port on the firewall and tighten the
connector nut to secure the cable to the firewall.
Plug the AC connector from the power adapter into an
AC power source.