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Fault Elimination
Problems with Installation and Reading In Keys
Always check the following first of all:
Are the component cables correctly connected?
Are there any short-circuits/broken wires?
Is the component connected to a power supply?
Is bridge BR1 correctly connected to control unit?
Problem
LEDs on the reader/control
unit are not activated during
function test.
Bolt does not en-
gage/disengage during func-
tion test.
Five second interval tones
are emitted when keys are
read in (only when the keys
are read in directly via the
reader).
Diagnosis Options on the Open Control Unit
Yellow LED
Off
On
1 flash
2 flashes
Possible cause(s)
Component damaged (through
transport, incorrect handling etc).
Installation error
SPE blocking element dam-
aged
Max. permissible number of key
(16) exceeded.
(for "standalone" operating
mode).
Status
System is OK
Electronic defect.
Bolt will not engage
Bolt engages but does not
recognize the end position.
Antenna malfunction
20
Elimination
Component needs replacing.
Check the installation and fitting of SPE
blocking element and repeat the test.
Replace the SPE blocking element if this
proves unsuccessful.
Check the correct number of keys.
Required action
None
Turn the power supply off and then back
on. Replace the control unit if the LED is
still activated.
Check the SPE blocking element and
the bolt-hole for correct installation.
Check that the reader is correctly
connected.
Switch the power supply off and then
back on. Replace the reader if the
LED continues to flash.
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