ER05
FAILURE TO RELEASE PRESSURE
| CAUSE | SOLUTION | VIDEO TUTORIAL |
| 1 | CHAMBER FILTER | CLEAN THE FILTER |  |
| 2 | N.O. VALVE | CHECK, CLEAN OR REPLACE THE N.O. VALVE | |
| 3 | CABLE N.O. VALVE | CHECK THE CONNECTION | NO NEED |
| 4 | MAIN BOARD SIGNAL FOR N.O. VALVE | CHECK THE SIGNAL OR REPLACE THE MAIN BOARD | |
| 5 | 3 WAY VALVE | CHECK, CLEAN OR REPLACE THE 3 WAY VALVE | |