LED condition State description
On (Normal) Indicates the receiver is functioning normally.
Continuous slow flash: 1 sec On, 1 sec Off Indicates the receiver is being programmed
with the zone and transmitter ID’s from the
compatible control panel.
Turns Off momentarily Indicates the receiver obtained a valid
transmission from a RADION transmitter.
Flash 3 times Indicates the receiver has obtained a new
device ID while in “Learn Mode.”
Communication error state:
The receiver enters a communication error state when, during power up, it does not establish
a link with the control panel, or has been in an idle state for more than 30 sec without
communication. Another cause for a communication error state is an invalid address switch
setting (0, or 9).
LED condition
State description
3-pulse flash: A 3-pulse signal, followed by a
short delay at the end of the 3
rd
pulse
(Communication error)
Indicates the receiver has experienced a
communication failure. This error could be a
result of either:
– A communication failure between the
control panel and receiver, or
– An invalid address switch setting
Trouble state:
The receiver enters a trouble state when an internal self-test detects a failure. Another cause
for the receiver entering into a trouble state would be if the receiver detects radio frequency
interference failure.
LED condition
State description
Continuous fast flash: A continuous pulse
between On and Off states (Trouble state)
– Indicates the receiver is in a trouble
state, experiencing a radio frequency
interference failure
– A communication failure with internal
hardware components within the
receiver
Maintenance state
The receiver enters a maintenance state when the address switch settings are set between
switch 5 – switch 8.
LED condition
State description
Continuous Flash: A continuous pattern of
short off time, followed by long on time.
Indicates the receiver is in Maintenance
Mode.
RADION receiver SD RADION receiver SD | en 21
Bosch Security Systems, Inc. Reference Guide 2014.03 | 06 | F.01U.261.834
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