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Security Escort
Symptoms
Single SE receiver not
responding in a connected
bus network.
Single SE receiver
intermittently not responding.
SE receiver jamming.
SE receiver LEDs not working. Defective SE receiver.
Robert Bosch (SEA) Pte Ltd
Troubleshooting coordinators, points and receivers | en
Probable Cause
Incorrect address.
No power to SE receiver.
Defective SE receiver.
SE receiver is located past
the 1000 m (3300 ft)
maximum cable run.
Moisture on circuit board.
Bad splice to SE receiver.
Defective SE receiver.
Electrical equipment in area
causing jamming on SE
receiver.
Technical Reference Manual
Possible Solutions
Check the address of SE
receiver configured on the dip
switch.
Check power for 10.8 V DC to
13.2 V DC. If lower than 10 V
or no voltage present, check
wiring on power side of SE
receiver, repair or replace
cable.
If power is present and
address switch is configured
correctly, replace SE receiver.
Re-position the SE receiver
within the recommended
spacing. Refer to Chapter 3.
Seal housing where moisture
is entering enclosure. Replace
SE receiver until the old one
dries out.
Check all splices to make
sure cables are tight and not
loose causing high resistant
open.
If power is present and
address switch is configured
correctly, replace SE receiver.
Go to the software dialog
Setup receiver configuration.
Increase jamming threshold
by one degree at a time until
jamming stops and SE
receiver returns to normal. If
jamming persists after
increasing level, relocate SE
receiver or attempt to identify
and minimize the jamming
source.
Replace the SE receiver.
2018.03 | SE3v1.0 | DOC
99
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