DORMA CS
TROUBLESHOOTING
The COMMISSlONINGIADJUSTMENTIFUNCTIONAL
TESTING
manual
should
be to hand
If, during commissioning
or operation,
faults arise, first check the following points:
• Is tho power supply oonneeted?
• Is the emergency
stop switch off?
• Are the areas covered by the light barriers dear and clean?
• Is the door blocked by an obstruction?
• Is the door running smoothly (counter-pressure
rollers. floor guides)?
• Are the safety devices in order (LED control display ht up)?
• Are all external pulse emitters, emergency
stop switdl
and locking mechanism
correcUy wired?
• Are all connections
firm?
If the fault Is still not cured, use the hand terminal
for fault analysis
Fault
Possible causes
Remedy
Door runs jerkily and out of control
Connector
Incremental
encoder cable
Correctly
insert connector
or change
the cable Perform programme
loading
Door remains open in all programme
Light barriers (LS)
Check
lS
function
by
LED and using
switch settings
hand terminal
Emergency
stop switch
Jumper connector
inputs. " fault is
cured by this, check emergency
stop
switch, and exchange
if necessary
Detector gives permanent
signal
Check InternaVexternai
radar
detectors
and nig,tlbank
activator
Motor connections
Joose or cable break
Check wiring
Cable break or short circuit on
At the connector,
set wire jumper 10r
programme
switch
PS-AlJTOMATIC
and in~iate an
opening pulse. If the door opens,
check wiring
Door does not open
Internal/external
activator
Remove activator connector.
Replace
with Input jumper. If this cures fault,
ched< 24 V power supply.
If OK mecker
replace activator.
Emergency
stop switch
Jumper connector
inputs. If this cures
fault, roplace emergency
stop switch.
Emergency
(panic) function on
Release function
by moving
programme
switch to OFF
Permanent
pulse to 2nd door of air10ck
Remove connedor;
if
the door doses,
system
check wiring
Door is open
Short circuit-
Disconnect
power supply from control
(Service display is oll)
unit, reconned
after approx. 2 sec.
• At1enUonl Control unit behavtour In the event of 8 short clrcult.
The 24 V power supply vottage for radar detectors
and tacking devices is of short-drcuit-proof
design.
In the case of a short circuit the powor supply unit switches off all secondary
\'Oltages and the operating
display is extinguished.
The power supply unit does not switch back on automatically
after roctification of the short circuit!
ReI'T'lOVemalns power connector,
wart approx. 3 sec. then r&fit mains power connector.
