(1) Level 1 ................................................................................................................................ 78
(2) Level 2 ................................................................................................................................. 80
3. ERROR CODE LIST ................................................................................................. 83
1. MAINTENANCE ........................................................................................................ 88
1-5. Thread tension ........................................................................................................................ 90
1-8. Replacing the fuse .................................................................................................................. 92
2. GAUGE COMPONENTS .......................................................................................... 93
3. DAILY MAINTENANCE ............................................................................................ 94