Installation instructions
B-1993x
Motor-driven shoot-bolt lock for narrow stile systems smoke and heat exhaust ventilation
52
7.
Troubleshooting
Problem
Lock does not unlock
Lock unlocks automatically
Red LED flashes
Controller beeps
"Locked" signal does not
appear
"Unlocked" signal does not
appear
EN
Cause
y
y
Missing or faulty power
supply (measure 24 volts);
Terminal G2 + V2)
y
y
No +24V control signal
y
y
Mechanically blocked
- Door leaf or door frame is
twisted or warped
- Active leaf is jammed
- Screws are pressing
against the lock case or
vertical rods
y
y
The control unit is in
programming mode
y
y
Test run not completed
successfully
y
y
Continuous signal at control
input
y
y
Incorrect cable assignment
y
y
Controller defective
y
y
Error source according to
blink code
y
y
Error source according to
beep codes
y
y
"Locked by motor" relay
contact is not assigned.
y
y
Lock cannot move to initial
position
y
y
"Unlocked by motor" relay
contact is not assigned.
y
y
Lock cannot move to final
position
Help
y
y
The controller must be
supplied with at least
21 V DC
y
y
Check that the power supply
unit, fuse and cable cross-
sections are sufficiently
sized and replace if
necessary
y
y
Check control input I1 / I2
y
y
Remove blockage
- Check door leaf/frame
- Check active-leaf lock
- Check screws, shorten if
necessary
y
y
Exit or abort programming
mode (see point 6.2)
y
y
Perform test run
(see point 6.5)
y
y
Check control signal
(terminal I1 + I2)
y
y
Check cable assignment
between lock and controller
(see point 2.4)
y
y
Replace controller
y
y
See point 5.1
y
y
See point 5.2
y
y
Check wiring
Signal input (BK, GY, BNGN)
Signal output (terminal
41 + 51) (see point 2.4)
y
y
Foreign object in the lock
y
y
Check wiring
Signal input (BK, GY, RDBU,
WHGN)
Signal output (terminal
42 + 52) (see point 2.4)
y
y
Foreign object in the lock
10.2017 | 20427ES | Designed in Germany