DISPLAY
THE DISPLAY DOES NOT LIGHT UP
| CAUSE | SOLUTION | VIDEO TUTORIAL |
| 1 | POWER SUPPLY FUSE | CHECK THE POWER SUPPLY FUSE OR REPLACE IT | NO NEED |
| 2 | ELECTRIC CONNECTIONS | CHECK THE CONNECTIONS PCB-MAIN BOARD | NO NEED |
| 3 | FRONT PANEL PCB | CHECK OR REPLACE THE PCB FRONT PANEL |  |
| 4 | POWER SUPPLY 220V | CHECK THE POWER SUPPLY QUALITY 230V | NO NEED |
| 5 | TRANSFORMER | CHECK OR REPLACE THE TRANSFORMER | |