HTC 420 VS Manuel de l'utilisateur - Page 35

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HTC 420 VS

6.1.4. The machine stops immediately after starting

•

6.1.5. The fuses trip frequently

•

6.1.6. The machine cannot cope

•

Tip!

Check the minimum recommended cable area before using

an extension cord. You will find the recommended cable area

under Technical data on page 33.

3.0

The overload indicator lights up because the speed of the

grinding discs is too high. Reduce the speed and try again.

Check the error code in the display on the frequency

converter, see Electronic Error Codes on page 28.

The load is too high on the distribution box to which the

machine is connected. Replace the socket or reduce the

speed of the machine.

Check the tools. Ensure that the correct tools are used, that

they are in working order and that they are correctly fitted.

Heavy load. Press the handle down slightly so that the

grinding head eases slightly away from the surface being

ground.

Sticky coating on the surface being ground. Run half of the

machine on the surface to be cleaned and half on the clean

surface. This removes any residue from the tools.

Check the tools. Ensure that the correct tools are used, that

they are in working order and that they are correctly fitted.

Voltage drop. Check that the cable area meets HTC's

recommendations.

Troubleshooting