EMB ERJ 140 ER/LR
Flight Crew Instrument; Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP)
Flight Crew Total 6000
Aircraft Equipment Problem Critical
Flight Crew Landed As Precaution; Flight Crew Returned To Departure Airport; General Maintenance Action
Aircraft
Shortly after takeoff in climb out we experienced a pack 2 valve close that could not be reset. Determined max alt of 25;000. We leveled at 24;000 and worked fuel numbers for the remainder of the flight. Shortly after; a pack 1 overload message appeared and both packs shut down. We [notified ATC] and began a descent to 10;000 ft requesting vectors to return to [departure airport]. Determined that we were roughly 2500 lbs overweight and began burning fuel for a normal landing. Once landing weight was achieved a normal ILS approach then accomplished with no further incident.Cabin pressurization system failed.
[Report narrative contained no additional information]
EMB-140 flight crew reported returning to departure airport after first losing one pack and then the other.