Error Indication - Assa Abloy SW300 Installation And Service Manual

18.1

Error indication

• During normal operation the status LED on the control unit is illuminated.
• An extinguished LED indicates that there is no electrical power.
• A flashing light on the LED indicates that the operator is out of function (see table below).
• An audible warning signal can be achieved by using the accessory board AIU. It is connected to
the 24 VDC and plugged into the EXU-SA relay output terminal.
LED flash frequency/Display
message
One 0.3 s flash, 10 s pause etc.
One 0.3 s flash, 2 s pause etc.
Two 0.3 s flashes, pause etc.
Three 0.3 s flashes, pause etc.
Four 0.3 s flashes, pause etc.
Five 0.3 s flashes, pause etc.
Six 0.3 s flashes, pause etc.
Seven 0.3 s flashes, pause etc.
Eight 0.3 s flashes, pause etc.
Nine 0.3 s flashes, pause etc.
Ten 0.3 s flashes, pause etc.
Twelve 0.3 s flashes, pause etc.
Thirteen 0.3 s flashes pause etc.
1007913-en-20.0
Reason
Kill impulse is active
+ 24 V DC external error
Sensor monitoring error
Battery defective
Control unit or Transmission
unit defect
Encoder error
Locking device defective or
lock with too high current
draw
EXU-SI board defective
Sync cable not connected or
defective (double door only)
Secondary control unit defect-
ive (double door only)
Motor overheated
Blocked door and constant
impulse
Settings have been made that
requires a new learn or
opening angle out of spec
(80-110°))
Motor connected to wrong
socket or wrong arm system
configured on AS-dips.
Interlock error
Issue 2021-02-04
18 Troubleshooting
Remedy
Make a kill reset, reset kill switch or
reset fire alarm
Check for short circuit
Check for broken monitored sensor
Replace battery (normal operation
with electrical mains). If Battery
Monitoring DIP is ON, then prob-
ably a reset of this is needed (after
changed batteries), see section
5.5.6.)
Replace control unit or Transmis-
sion unit
Check the encoder cable.
Open and close the door manually
and thereafter check the automatic
function. If the operator is still out
of function replace the drive unit.
Check for e.g. short circuit in the
locking device
Replace locking device
Replace EXU-SI board
Connect the sync cable
Replace the sync cable
Check the flash frequency on the
secondary LED and take necessary
measures in accordance with this
table.
Wait for the motor to cool down
Toggle impulse
Make a new learn or adjust opening
angle to be inside spec
Disconnect mains and then correct
motor connection and correct arm
systems dips.
Check Interlock Connection
91