| 1.00 Problem | Air is not building up in both the guages |
| 1.20 Problem | Delay in building up system pressure |
| 2.0 Problem | Air is building up in one gauge only |
| 3.0 Problem | Air is not building up more than 6.0 bar while running
(or) Air drops down to 4.5 bar when vehicle is parked |
| 4.0 Problem | Pressure drops down to
Zero when vehicle is parked |
| 5.0 Problem | Brake binding. (Rear brakes only) |
| 5.20 Problem | Brake binding - Any wheel in Front or Rear brakes. |
| 5.30 Problem | Brake binding - Both Front & Rear brakes. |
| 6.0 Problem | Poor brake / wheel rolling |
| 7.0 Problem | Vehicle pulling to one side while applying brakes |
| 8.0 Problem | Warning Buzzer continuously working |
| 9.0 Problem | Low pressure warning system not working |
| 10.0 Problem | Stop light not working |
| 11.0 Problem | Noise from compressor |
| 12.0 Problem | No pick up - Engine temperature shoots up Applicable, for vehicles fitted with Engine Brakes System) |