AMBTMP2
Ambient air temperature is back within range.
Ambient air temperature entering the system unit has returned to the nominal operational range for maximum performance. This message or symbolic FRU results when the temperature of the air entering the unit was previously reported to be above the unit's specified range. This message or symbolic FRU is issued when the unit detects that the ambient air temperature has dropped to within the specified range for maximum performance. No action is necessary.