| SN | SYMPTOMS | Probable Cause of Failure | Remedial Action |
| 01 | LED Display is blank and not showing anything. | Cable connections to the LED display are faulty. | Connect the cables properly |
| 02 | Values of the readings not changing in the display. | 1. Air pressure is not sufficient.
2. Connecting cable is disturbed or not connected properly.
| 1. Check the air pressure at source and hose pipes and adjust to 3-5 bars.
2. Check and connect the cables properly. |
| 03 | Displaying “insert proper master” in dialogue box. | Probe setting is disturbed. | Place the master on the fixture and adjust the probes to match the dimensions of the master. |