What To Do If - Becker Centronic VarioControl VC320 Assembly And Operating Instructions Manual

Malfunction
Drive is not running.
Drive is running in
the wrong direction.
The VC320 does
not execute manual
control commands.
The VC320 does not
execute automatic
control commands.
VC320 will not ac-
cept switching times.
Tubular drive does
not run at the pre-set
switching time.
Programmed switch-
ing times change.
What to do if...?
Cause
Faulty connection.
Faulty connection.
Transmitter is not pro-
grammed in the VC320.
1. Transmitter is not pro-
grammed in the VC320.
2. Sliding switch of the
transmitter is set to
manual .
Programmed transmitter
has no manual/auto /
sliding switch.
1. Manual/auto /
sliding switch is set to
manual .
2. Several sliding switch
transmitters are pro-
grammed in the tubular
drive. One manual/auto
/ sliding switch is set
to manual .
Frequent power inter-
ruptions in 230 VAC
power supply. Variations
in the 50 Hz power-line
frequency.
Solution
Check connection.
Change round s and t
wires.
Programme transmitter.
1. Programme transmit-
ter.
2. Set the sliding switch
of the transmitter to
auto U.
Use transmitter with
manual/auto / sliding
switch.
1. Set manual/auto /
sliding switch to auto .
2. Adjust the sliding
switch on one of the
transmitters from manual
 to auto . If the sliding
switch is already set to
auto , adjust the switch
to manual  briefly and
back to auto .
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