Elka ES 40 - Fault Finding and Troubleshooting; 6.1. Barrier Fails to Respond to Open Signal; 6.2. Barrier Fails to Respond to Close Signal

© 1999 ELKA-Torantriebe GmbH & Co. Betriebs KG page ES 25, ES 30, ES 40
7
6. Fault finding
6.1. The closed barrier doesn’t react to a signal to open..
Symptom Possible cause Possible solution
The yellow power LED is out. No mains current. Check the mains lead and the fuses.
The red diagnostic LED flashes
non-stop.
Programming is started. Carry it out to the end.
The LEDs SEA and SEZ are lit and
the diagnostic LED flashes four
times then a break.
a) Both limit switches are faulty. Replace them.
b) Break in the lead to the limit
switches.
Check the lead and plugs V5 and V6.
The red diagnosic LED flashes five
times then a break.
Controller failure. Replace the logic card.
The green LED BTS1 is lit. The controller is switched off. a) Operating mode switch 1 off.
b) Switch On/Off switch (X1/4 top and
x1/4) bottom off.
The green LED BTS2 is out. a) The Stop button is pressed. Release the button (X1/8 top and X1/8
bottom).
b) Emergency release is in use. Lock the shaft.
c) Wiring fault. Check the wiring.
The green LED SEA is out. a) Faulty limit switch ‘open’. Replace the limit switch.
b) Wiring fault. Check the wiring to the limit switch
and plug V6 in the control box.
6.2. The open barrier doesn’t react to signals to close
The points in 6.1 can also apply here.
Symptom Possible cause Possible solution
The green LED LS is out. a) Loop detector is activated. Check the detector in socket B3.
b) The red jumper is removed from
terminals 6 and 10 in socket B3,
but the loop detector hasn’t been
inserted.
Plug the detector into the socket or
replace the jumper.
c) Photo-cell is activated. Check it (X1/9 top and X1/9
bottom).
The green LED LS goes on when
photo-cell is activated.
Wrong connection, it should be a
break contact.
Alter it to n.c.
The green LED BTA is lit. There is a permanent signal to
open.
a) Check the ‘open’ button (X1/2
bottom and X1/6 top).
b) Check the loop detector in
socket B2.
The green LED SEZ is out. a) Faulty limit switch ‘closed’. Replace the limit switch.
b) Wiring fault. Check the wiring and plug V5 in the
control box.