IQ Remote AC Alarm

Are the IQ Remotes unplugged from power?

Are you seeing this error on the panel itself, or in Alarm.com?

Is the included 12vDC Power Supply being used? Qolsys instructions to only use this method to power the panel. See page 12 for more information:

You may need to update the main panel firmware to 4.6.1 as a step to resolving the issue: