Probable causes |
Actions |
Belt is loose or broken |
Tighten
or replace belt |
Fuse for power or
circuit blown out |
Check ampere capacity and replace fuse |
Needle position
signal or one-rotation
signal is not detected |
Adjust needle position with wrench so that needle position
LED come on |
Frame limit switch
is actuated |
Move
frame to appropriate
position |
Abnormality warning
lamp in drive unit
is on |
Clean
air filter |
Incomplete contact
of connectors in
control box |
Securely
couple connectors |
Incomplete contact
of connectors in
main shaft drive
motor control box |
Securely
couple connectors |