In the event of a power outage, your PAP therapy system will not work. There are some options for an alternative power supply (see section on battery use). Clients are strongly encouraged to use a power surge protector in conjunction with their PAP therapy systems.
With ResMed systems, a power surge may damage the external power supply instead of the actual system. Your power system may need to be replaced in the event of damage.
With the Fisher & Paykel ICON series, the unit will shut itself down to protect its internal components. The next time the system is turned on, an error code (13.0 or 13.1) will be seen on the display unit. This is not a true error code, but an indicator that the unit shut down to protect itself from a power surge.