Device Fuse - vacuubrand VACUU-SELECT Instructions For Use Manual

Troubleshooting
Change device fuse
78

8.3 Device fuse

There is a device fuse, type: Nano fuse 4 A/t, on the circuit board
of the controller. If blown, the fuse can be replaced under ESD
conditions after the cause has been remedied.
NOTE
Damage possible if work is performed incorrectly.
Have maintenance work performed by a trained electrician
> >
or at least by a person with electrotechnical expertise.
Ensure ESD safeguards when working with the circuit board.
> >
Change device fuse
ESD tools required: Grounding wristband, flat‑head screwdriver
Gr. 1, Torx screwdriver with torque of TX10, tweezers.
Preparation:
> Have the tools ready (see
image).
> Disconnect the controller from
the power supply.
1
1. Lay the controller carefully
face down and unscrew the
4 screws in the housing.
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