PREVOST X3-45 VIP 2017, Owner'S Manual

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Controls and Instruments 4-40
Trailer braking system low air pressure / trailer parking brake
This pictogram appears when the trailer emergency/parking brake is unexpectedly
applied as when the vehicle is moving and a parking brake air line rupture happens.
Low brake or ABS air pressure
A/C system pressure high
This pictogram indicates that the a/c system pressure is too high. If the a/c pressure
is too high, the compressor clutch is disengaged, but the fan remains activated.
NOTE
When outside temperature is high, it is possible and normal for that pictogram to
appear.
A/C system pressure low
This pictogram indicates that the A/C system pressure is too low. If the A/C pressure
is too low, the compressor clutch disengages and the fan stops.
NOTE
When outside temperature is low, it is possible and normal for that pictogram to
appear.
Compressor/air dryer fault
This pictogram indicates that a risk of water in the pneumatic system has been
detected due to a compressor or air dryer related problem. Possible causes are:

Compressor is used at an unusual (high) rate.

A fault with the air system has been detected.
Air leakage
This pictogram indicates that an air leak has been detected in the pneumatic system.