Frigomat G20 02 Série Manuel D'utilisation Et D'entretien page 31

Attention!
High voltage inside; electrocution hazard.
This plate is applied on the cover of the electrical box
and warns the operator that it must not be removed
for any reason whatsoever, thus avoiding the danger
of electrocution which could be fatal. In this case also,
maintenance of internal components is reserved for
qualified personnel.
ENGLISH - 6