What does the WAP message "ENV PANEL INOP" indicate?

The message "ENV PANEL INOP" indicates that both channels of the environmental panel have failed. However, it is important to note that despite this failure, all controls remain operational. This means that while the indicators and alarms on the environmental panel may not function correctly, the pilot is still able to control the environmental systems using other available means in the aircraft.

This situation can arise due to various failures in the panel's infrastructure but does not impede the overall operational capability of the aircraft's environmental controls. Therefore, the pilot can still manage to maintain the necessary environmental conditions aboard the aircraft, even with the panel indicating inoperability.