electrochemical series), could result in exothermic reactions when ‘favorable’ conditions are
present.
Always bear in mind which metals you cut and the amount of swarf the cutting produces. Some
combinations of metals can result in exothermic reactions if a large amount of swarf is collected
during cutting.
Examples:
Aluminum and Copper
Zinc and Copper
8 Troubleshooting
Error Cause Action
Water leakage. A leak in the cooling unit water
hose.
Check the hose for leakages
and tighten the hose clamp.
Water overflow in the water
tank
Remove the excess water in
the water tank
The cooling unit has stopped
and cannot be restarted
Blown fuses Replace the fuse or fuses with
appropriate slow-blow fuses.
A: Fuses
Pump failure Make sure that the connected
pump is not visibly damaged
or overheated.
You can only reset the control
unit using the Resume button
if no other signal is applied at
the signal input connector.
Corrosion of samples, cooling
unit or equipment
Insufficient additive for cooling
fluid
Add cooling fluid additive in
the correct concentration to
the cooling fluid. Check with a
refractometer. Follow the
instructions in the
Maintenance section.
Contact Struers Service.
8 Troubleshooting
Cooli System 27
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