Assembly and Operating Instructions
Problem
Drive is not functioning. Faulty connection.
Blind or shutter moves
in the wrong direction.
The UC52 does not
carry out the external
commands.
26
What to do if...?
Cause
Faulty connection.
1.The UC52 is in manual
mode.
2. The alarm signal is on.
Remedy
Check connection.
Exchange s and t wires
in the power supply unit.
1. Set the UC52 to auto-
matic mode.
2. Wait until the alarm
signal disappears or
switch it off.