ER12
VACUUM FAILURE
| CAUSE | SOLUTION | VIDEO TUTORIAL |
| 1 | VACUUM PUMP |
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| 2 | TOO MANY TOOLS IN THE CHAMBER | REDUCE THE QUANTITY OF INSTRUMENTS IN THE CHAMBER | NO NEED |
| 3 | NORMALLY OPEN VALVE | CHECK , CLEAN OR REPLACE THE N.O. VALVE | |
| 4 | 3 WAY VALVE | CHECK . CLEAN OR REPLACE THE 3 WAY VALVE | |