Transponder - Bosch Security Escort SE2000 Series Training Manual

Security Escort
3.
7.2.2

Transponder

Status LEDs
Each transponder contains LEDs that display the transponder's condition and its response to
events. With the exception of the AC Power LED (which is located in the lower right corner of
the transponder circuit board), the diagnostic LEDs are located in the top right corner of the
transponder board.
Generally, the LEDs indicate the unit's status and signal system events. Each LED and its
function is indicated below.
Figure 7.1: EA500 Diagnostic LEDs
Figure 7.2: EA501 Diagnostics LEDs
LED
AC Power
Robert Bosch (SEA) Pte Ltd
Remove the jumper P4 to return the receiver to normal operating mode.
Function
(Lower right corner of the transponder board.) If this LED is off there
is no AC power (mains power) to the board. Find and correct the AC
power (mains power) problem. This LED lights even if the
transponder's power switch is off.
Troubleshooting transponders, points, receivers, and alert units | en
Training Manual
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2017.08 | V2.18.1.0 | DOC