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Trouble Shooting
| tep | Cause | Solution | Parts |
| 1 | Lower CIS defective. | Replace the lower CIS. | Upper & Lower CIS kit (003-8340-0-SP) |
| 2 | Bridge broad defective. | Replace the bridge broad BBA80(lower). | Bridge broad (004-3270-9-SP) |
| 3 | Main broad defective. | Replace the main board MBA861. | Main board AD8120U (004-3364-9-SP) AD8120P (004-3364A-9-SP) AD8120UN (004-3364F-9-SP) |
