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Ref doc :
330740F/EN
revision 01
29.09.2015
9.2.4 Receiver radio function fault isolation.
The red and green led states describe a malfunction in the radio part of the safety receiver.
Name of Led
and colour
Mode
Indication
Message
State
Safety micro
led 1 (RED
V3)
Normal
Indicates validity of
identity code
Message not received
OFF
Message received with
correct identity code
OFF
Message received with
incorrect identity code
Flashing
regularly
Serial link
ON
In case of
fault
Indicates a fault
Power supply error
2 flashes
Safety relay
3 flashes
EEPROM
4 flashes
RAM
5 flashes
ROM
6 flashes
Micro type
7 flashes
Safety micro
led 2 (GREEN)
V4
Normal
Indicates radio
reception quality
No radio reception
OFF
Bad radio reception
Flashing
Good radio reception
ON
Serial link
OFF
In case of
fault
Indicates a fault
Power supply error
2 flashes
Safety relay
3 flashes
EEPROM
4 flashes
RAM
5 flashes
ROM
6 flashes
Micro type
7 flashes