Excessive cabin altitude. N.B. Warning level is normally set at 9000 ft excepted when a/c takes-off or lands at high altitude.

Excessive cabin differential pressure (positive or negative).

Cabin Pressure Controller (CPC) senses that the positive cabin differential pressure is ≥10.85 psid or that the negative cabin differential pressure is ≤0.4 psid.

Automatic pressurization control is inoperative.

Both fans fail on ground.

Cabin altitude exceedance. N.B. Caution level is normally set at 8200 ft excepted when a/c takes-off or lands at high altitude.

Emergency depressurization (dump) has been selected.

Left Pack automatic control inoperative.

Left Pack failed (overheat).

Manual temperature selection out of safe range.

Right Pack automatic control inoperative.

Right Pack failed (overheat).

Manual temperature selection out of safe range.

Trim air failed (overheat).

Automatic control of Cabin pressure from one controller is inoperative.

Both fans fail in air

Avionics rack fan failed. (G5000 only)

Avionic fan failed.

Message displayed when the warning or the caution level has been set higher than their normal values due to landing or take-off at high altitude.

Humidifier failed.

Left pack fault.

One of the two altitude limitation systems is inoperative in the associated manual channel.

Fwd outflow valve inoperative.

Aft outflow valve inoperative.

Right pack fault.

Ram air fault.

Both re-circulation fans failed.

Safety valve 1 or safety valve 2 not fully closed.

No landing information is received by CPC from FMS or LDG ELEV is selected MAN and no value was selected on the CPCS control panel.

There is a problem with the trim air or when the temperature of the distribution duct is too high.

Auxiliary pressurization mode selected.

Outflow valves sequence when below 15,000 feet.

Indicates that cabin rate has been selected to HIGH setting.

Left pack switch selected to high flow.

Left pack switch selected to low flow.

Left pack temp control selected to manual control.

Left pack selected off.

Landing elevation switch selected to manual mode.

Manual pressurization control mode selected.

Outflow valve 1 [forward] selected closed.

Outflow valve 2 [aft] selected closed.

Right pack switch selected to high flow.

Right pack switch selected to low flow.

Right pack temp control selected to manual control.

Right pack selected off.

Ram air valve selected open.

Recirculation fan selected off.

Trim air selected off.