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.
RemedyReasonLED flash frequency/Display
message
Make a kill reset, reset kill switch or
reset fire alarm
Kill impulse is activeOne 0.3 s flash, 10 s pause etc.
Check for short circuit+ 24 V DC external error
One 0.3 s flash, 2 s pause etc.
Check for broken monitored sensorSensor monitoring error
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.)
Battery defectiveTwo 0.3 s flashes, pause etc.
Replace control unit or Transmis-
sion unit
Control unit or Transmission
unit defect
Three 0.3 s flashes, pause etc.
Check the encoder cable.Encoder errorFour 0.3 s flashes, pause etc.
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
Locking device defective or
lock with too high current
draw
Five 0.3 s flashes, pause etc.
Replace locking device
Replace EXU-SI boardEXU-SI board defective
Connect the sync cableSync cable not connected or
defective (double door only)
Six 0.3 s flashes, pause etc.
Replace the sync cable
Check the flash frequency on the
secondary LED and take necessary
measures in accordance with this
table.
Secondary control unit defect-
ive (double door only)
Seven 0.3 s flashes, pause etc.
Wait for the motor to cool downMotor overheatedEight 0.3 s flashes, pause etc.
Toggle impulseBlocked door and constant
impulse
Nine 0.3 s flashes, pause etc.
Make a new learn or adjust opening
angle to be inside spec
Settings have been made that
requires a new learn or
opening angle out of spec
(80-110°))
Ten 0.3 s flashes, pause etc.
Disconnect mains and then correct
motor connection and correct arm
systems dips.
Motor connected to wrong
socket or wrong arm system
configured on AS-dips.
Twelve 0.3 s flashes, pause etc.
Check Interlock ConnectionInterlock errorThirteen 0.3 s flashes pause etc.
91Issue 2021-02-041007913-en-20.0
18 Troubleshooting
To Next Page
Loading...
Need help?
General
