ES 50 – ES 80
32
12 Fault finding
12.1 The closed barrier doesn’t react to a signal to open
Symptom Possible cause Possible solution
The yellow power LED is out. No mains supply.
Check the mains lead and the
fuses.
The red diagnostic LED flashes
non-stop.
Programming is started. Carry it out to the end.
The green LED BTS1 is lit. The controller is switched off.
Switch On/Off switch (X1/4 top
and X1/4 bottom off).
The green LED BTS2 is out. 1. The stop button is pressed.
Release the button (X1/8 top
and bottom).
2. Emergency release in use. Lock the shaft.
3. Wiring fault. Check the wiring.
The green LED SEA is out and
the red Diag.-LED flashes 4
times – then a break.
1. Faulty limit switch ’open‘. Replace the limit switch.
2. Wiring faulty
Check the wiring to the limit
switch and plug V6 on the
controller.
The green LED BTZ1 is lit.
There is a permanent signal to
close.
Check the button (X1/2
bottom/top and 7 top).
Table 13
When the controller gives an error code through the red Diag.-LED see the chapter ‘Error code’
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