9.2. Failures - Potential Causes and Remedies
Saw blade feed cannot start
The yellow SAFETY indicator lamp
is on
The motor is on, but the saw blade
is not moving
Red light on the control panel
Only personnel with electrician
qualifications are allowed to carry
out such tasks!
Irregular cooling
Vibration during cutting
Broken teeth stuck in the cutting
channel in the workpiece
The cut is not rectangular
The blade cuts under
Saw blade cracking between teeth
Failure
• The MAIN SWITCH is off
• SAFETY indicator lamp is on
• The TOTAL STOP button is locked.
• The protective overcurrent relay is off
• The limit switch of the arm cover not actuated
• The control board fuse is burnt
• The saw arm is in the lowest position,
the limit switch is pressed
• The saw is actively secured by the safety relay
• The saw blade slips on the blade wheel
• Broken blade
• Other fault in the gearbox
• The protective function for frequency
converter overload has responded.
• Coolant used up
• The coolant tank and/or supply pipes or the
ball valves are dirty
• Broken pump
• The feed to the cut occurs within
a non-desirable range
• Wrong selection of saw blade tooth size
• Incorrectly adjusted guide heads, hardened
steel blade guides, bearings
• Incorrectly clamped material
• Incorrectly set cutting angle
• Blunt saw blade
• Wrong selection of saw blade tooth size
• Feed to the cut is too quick
• The blade slid under guide bearings
• Clearance between hardened steel blade guides
• The workpiece is not placed parallel with
the vice loading surface
• Wrong selection of saw blade tooth size
• Feed to the cut is too quick
• Incorrectly adjusted or damaged guidance
through heads (hardened steel blade guides,
bearings)
• The moving guide head is too far from the
workpiece
• Insufficient cooling
• Incorrectly clamped workpiece while cutting
a bundle
Possible cause
• Turn on the MAIN SWITCH
• Press the SAFETY button
• Unlock the TOTAL STOP button
• Check motor protective switch
• Check the arm cover
• Replace the fuse
• The saw arm must be raised when the
saw blade starts
• Press the SAFETY button and continue
operating the saw
• Unblock a TOTAL STOP button, close the
rear cover and press the SAFETY button
in order to continue operating the saw
• Tension the blade properly (see section 4.6.)
• Replace it (see section 4.6.)
• Call the service technician
• Press STOP/RESET button on
the frequency converter.
• Check the coolant
• Clean the coolant tank and supply pipes
• Replace the pump
• Set 5% less/more feed to the cut
• Check the tooth size (see section 6.2.)
• Adjust it (see section 4.7.)
• Check workpiece clamping
• Do not cut into an old cutting channel with
a new blade! Otherwise you damage
the new blade with the first cut!
• See section 4.3.2.
• Replace the saw blade (see section 4.6.)
• Check the tooth size (see section 6.2.)
• Adjust the feed
• Insert the blade properly (see section 4.6.)
• Adjust it (see section 4.7.)
• Align the roller conveyor, check workpiece
clamping
• Check the tooth size (see section 6.2.)
• Adjust the feed
• Adjust (see section 4.7.) or replace them
• Move it closer (see section 4.4.)
• Increase the coolant supply
• Clamp the workpiece properly
Remedy
Caution: Danger of injury!
Carry out repairs only when the MAIN SWITCH is off or secured against switching on or when the machine is
isolated from the power supply and secured against restarting. We recommend that you contact an authorised
service centre for repairs.
9. Faults and Remedies
9
.1. Repairs
STOP
RESET
Summary of Contents for ARG 300 plus S.A.F.
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