11
Varyscan
®
4 1200 HMI
B Service instructions
Repair of defects
Defect
Reparation
The appliance does not work at all (you can
not hear any noise from the ventilator)
Exchange 16 Ampere fuse of the appliance
The bulb of the appliance does not shine, but
electronics are working, i.e. motors are working
1. The bulb is defect and you have to change
i t
2. The temperature switch of the appliance is
released. Plug out your Varyscan
®
and after
approximately 15 minutes plug it in again.
Check now, if both ventilators are working and
if they are clean. If one of the ventilators is de-
fect, have it exchanged by a specialist or the
producer. If the scan turns off again and again,
please contact your dealer.
DMX-input does not work
Control DIP-switch position
Adjustment of the mirror stop
To adjust the mirror of your Varyscan
®
1200 HMI, proceed as follows:
Adjust the initialisation mode at DIP- switch No.1 (DIP-switch position see page 7) and start your
Varyscan
®
. Now wait until the initialisation of the scan is ran through and all motors stopped.
Then loosen screw No.1 Now turn the holder
for the y-motor towards the stop up to a
distance of 0,5 mm. Tighten screw No.1 now.
During tightening the screw pay attention to the
correct adjustment of the motor brake (see
sketch below). Loosen screw No.2 and turn
the y-motor towards the holder for the y-motor
and adjust hereby a distance of 0,5 mm
between the stop and the holder for the y-
motor.
Adjustment of the motor brake
The motor brake is similar at each of the
stepper motors of the scan. There are three
special parts (part no. 2,3 and 4) which must be installed in the following succession:
