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Stephan VCM 44 - 8.2 Faults in the electronic equipment

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Machine description
31.10.2002 \\Docuserver\ba\Master\Ba_eng\UM\044_60\UM_A+S\Beschr.fm 21
VCM 44
7.3 Bowl
The bowl is the working space of the machine. The lid is secured to the bowl by 1 locking lever
for safety. The seal between bowl and lid is by means of a specially designed silicon-rubber
ring.
7.3.1 Sight glass
The sight glass mounted on the lid permits dosing of liquid and powdery ingredients and to ob-
serve the production process during operation.
7.4 Safety features
7.5 Electronic equipment
The electronic equipment conforms to VDE-regulations 0113 and IEC 204-1. The switch cab-
inet and the machine are wired ready to be connected and conform to protection type IP 54.
The delivery and installation of the motor, control and pneumatic piping is included in the de-
livery of the machine.
7.5.1 Control
Control is manual by means of the push buttons.
Green buttons = ON
Red buttons = OFF
Control lamps indicates the function are switched on.
The machine can only be switched on if the lid is completely fastened since the lid
safety switch mounted beneath the lid torsion of the bowl blocks all processing func-
tions when the lid is open. This safety switch must not be removed.
Prevention of Prevention by
Switching on of processing functions
when lid is open
Limit switch in bowl hinge; pressing of "lid closed" key
Pressure spraying of the motor or the switch cabinet with water or cleaning solution
is not permissible.
The mains connection to the switch cabinet must be laid and connected by a locally
authorized electrician according to the wiring diagram.