9. Errors - reasons and elimination
NOT possible to start band motor
Motor is ON, saw band
NOT turning
Coolant skips
Vibrations during cutting
Broken teeth inside the cutting
hollow of the material
Cut is NOT rectangular
Saw bad cut is not square
Saw band breaking between tooth
Saw band breaking from
the top
Non-uniform motion of arm feeding
Arm is feeding even if regulation
valve is tighten
Error
• Main switch is not switched ON
• TOTAL STOP button is blocked (pressed)
• Premium overcurrent relay is off
• Band cover safety switch is not switched
• Burned fuse inside the control panel
• Arm is in down feed position, limit switch is
still pressed
• Band is slipping on driving wheel
• Band is broken
• Other gearbox error
• No coolant left inside the cooling system
• Coolant tank, connections or taps are
dirty
• Broken coolant pump
• Incorrect arm feed speed
• Incorrect band teeth pitch
• Incorrect setting of band guiding heads,
hard metals or bearings
• Incorrect material clamping
• Not correct cutting angle
• Blunt saw band
• Incorrect teeth size
• High speed of arm feed into cut
• Band slipped from guiding bearings
• Clearance of hard metal guidance
• Workpiece is not placed horizontally
in the vice against the working table
• Incorrect teeth size
• High speed of arm feed into cut
• Incorrect adjustment of hard metal
guidance inside guiding heads
• The moving guiding head is too far from
the workpiece
• Not enough cooling
•Incorrect band adjustment on the
running wheels
• Incorrect tooth size
• High speed of arm feed into cut
• Incorrect adjustment or break of hard metal
guidance or bearings inside guiding heads
• The moving guiding head is too far from
the workpiece
• Oil deficit
• M4 lock screw of control valve wheel is
loose - turns through
• Valve seat is worn out
• Cylinder sealing is worn out
• Valve failure (impurities)
Possible error reason
• Switch main switch ON
• Unblock TOTAL STOP button
• Test the overcurrent relay of motor
• Control band cover
• Change the fuse
• Move arm approx. 30 mm up to workpiece
• Tension the band properly
• Change the band
• Call the service technician
• Control the coolant fluid
• Clean coolant tank, connections and taps
• Change coolant pump
• Set the arm feed speed 5% less / more
• Control the teeth size and pitch
• Adjust correctly see chapter 5.3.
• Control the material clamping
• Start new cut
• Do not use new band in old hollow
it will be damaged during the first cut
• See chapter 5.4.
• Put new saw band
• Check correct teeth size see chapter. 6.2.
• Adjust the correct feed speed
• Adjust saw band correctly see chapter. 5.2.
• Adjust them see chapter 5.3.
• Adjust the roller conveyor
• Check correct teeth size see chapter. 6.2.
• Adjust the correct feed speed
• Adjust them see chapter 5.3.
• Move it closer, see chapter 5.1.
• Increase the coolant fluid inflow
• See chapter 5.2.
• See chapter 6.2.
• Regulate the feed
• See chapter 5.2.
• Move it closer 5.1.
• Call Customer service
• Tighten M4 lock screw
• Loosen M4 lock screw, turn wheel through
approx. 10° to the left and tighten.
• Contact service center
• Contact service center
Error elimination
The adjustment of guiding head is a matter of permanent maintenance of the machine. This defect is NOT
included in the warranty.
