Trouble-Shooting - struers Unitom-2 Benutzerhandbuch

Recirculation Cooling Unit
Error
Indications on the Front Panel
OVERLOAD
FLUSH
Machine Problems
The cut-off wheel does not rotate.
Chamber light does not work.
Water leaking.
Workpieces or cutting chamber
rusty.
Protection guard window blurred.
The protection guard will not open.
Quick-clamping device unable to
hold the workpiece.
Unitom-2
Instruction Manual

4. Trouble-Shooting

For Messages and Errors relating to the Recirculation Cooling Unit,
please refer to the Cooli Instruction Manual.
Explanation
Emergency stop active.
Cutting motor overloaded due to
heavy use.
Lights when cooling valve is in
flushing position.
Cooling water is stopped.
The protection guard open.
Fuse F2 or the bulb may have
blown.
Leak in a hose of Recirculation
Cooling Unit.
Water overflow in the cooling water
tank.
Insufficient additive for cooling fluid.
The machine is left with closed
protection guard.
Insufficient cleaning.
The safety lock has stuck.
The quick-clamping device is not in
balance.
Clamping heart worn.
Action
Solve the problem causing the
emergency stop, then release the
emergency stop.
Open the protection guard and let
the cutting motor cool down for
about 5 - 10 min.
Turn the knob on the cooling valve
counter-clockwise to vertical
position for cooling of cut-off wheel.
Press the safety guard completely
down. If this does not help:
Call a Struers service technician.
Replace fuse F2 or the bulb
(NB 230V). The F2 fuse is placed
behind the back plate.
Check the hose and tighten the
hose clamp.
Remove the excess water in the
tank.
Add Struers Additive for cooling fluid
to the cooling water, using the
correct concentration. Check with a
refractometer. Follow the
instructions in the Section
Maintenance.
Leave the protection guard open to
let the cutting chamber dry.
Clean with mild soapy water (do not
use the cleaning hose).
Open the lock with a thin flat screw
driver. Clean and lubricate the lock.
Follow the Weekly service
instructions in Section Maintenance
to avoid the situation.
Adjust the screw underneath the
clamping column. Use a 3 mm
hexagon key.
Call Struers service technician.
17