MEASUREMENT AND ASSEMBLY MANUAL
Instruction validity: as of 1 August 2013
12
Roller blind is blocked half-way
or does not draw down fully
Poor adjustment of end switches.
Adjust their position in accordance with
instructions for the motor.
Guide bars are not co-axial.
Check if the lower rail covers run
smoothly along the cord or aluminium
side
bar,
and
repair
eventual
deformation caused by transport. Check
if the side bars / cords are parallel and
perpendicular to the drum.
Motor does not stop in end
position
Two or more motors connected
without the use of an electronic plate
necessary for group operation.
Check wiring.
Motor failure.
If the motor does not stop, even if the
installation instructions for the end
switch adjustment have been adhered
to: check if the motor front is properly
attached to the winding drum and if
there is no slipping during operation.
Otherwise contact technical support.
Increased noise
Motor failure.
Disconnect the motor, test it, and
replace if necessary.
Motor blocks after a long period
of service
The motor is in the thermal
disconnection phase.
Wait for several minutes until the motor
cools down.
NOTE:
Put the switch into neutral
position to prevent its restart or
uncontrolled operation.
Absolute absence of movement
Improper wiring.
Check power supply at the switch.
Check power supply and integrity of a
conductor between the motor and the
switch.
Motor failure.
Disconnect the motor, test it, and
replace if necessary.
Poor adjustment of end switches.
Check if the motor is not regulated by
the same stopping position in both
directions. Press the switch and one of
the end switch buttons at once.
IMPORTANT: Do not disassemble the motor, otherwise the loss of guarantee shall arise. In case of any discrepancy in
operation the user should contact the dealer or directly the manufacturer, ISOTRA a. s. Any and all maintenance must be
carried out solely by qualified personnel. If the fabric or motor replacement is necessary, follow instructions given in the
installation manual.
