Fault Elimination
29
Problems with Installation and Reading In Keys
Always check the following first of all:
x
Are the component cables correctly connected?
x
Are there any short-circuits/broken wires?
x
Is the component connected to a power supply?
x
Is bridge BR1 correctly connected to control unit?
Problem Possible
cause(s)
Elimination
LEDs on the reader/control
unit are not activated during
function test.
Component damaged (through
transport, incorrect handling etc).
Component needs replacing.
Bolt does not en-
gage/disengage during func-
tion test.
Installation error
SPE blocking element dam-
aged
Check the installation and fitting of SPE
blocking element and repeat the test.
Replace the SPE blocking element if this
proves unsuccessful.
Five second interval tones
are emitted when keys are
read in (only if keys are read
in directly via the reader).
Max. permissible number of key
(16) exceeded
(for "standalone" operating
mode).
Check the correct number of keys.
No response when the key is
held up to the keypad.
Keypad has not been fitted to the
mounting part. The scanner unit
is not in the keypad but it is in the
mounting part.
Hold key up to the mounting part.
Diagnosis Options on the Open Control Unit
Yellow LED
Status
Required action
Off
System is OK
None
On
Electronic defect.
Turn the power supply off and then back
on. Replace the control unit if the LED is
still activated.
1 flash
Bolt will not engage.
Bolt engages but does not rec-
ognize the end position.
Check that the blocking element and
bolt-hole are correctly installed.
2 flashes
Antenna malfunction
Check that the reader is correctly con-
nected.
Switch the power supply off and then
back on. Replace the reader if the
LED continues to flash.