Doc ref. :
332190D –
EN
28.04.2014
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Off
7 flashes
Error on input(s)
One of the emergency stop inputs is
incorrectly wired
Check wiring of emergency stop or
gate inputs
8 flashes
8 flashes
Safety relay error
One of safety relays K1 or K2, or
associated control circuit, is faulty
Return to factory
Off
8 flashes
Safety relay error
Return loop to terminals Y1-Y2 not
closed when safety outputs are inactive
Check loop Y1 and Y2 and contacts
of external relays K3, K4.
Off
9 flashes
Relay K1-K2 error
Control circuit of one of the safety
relays is faulty
Return to factory
Off
10 flashes
11 flashes
Program error
An error has occurred during execution
of program
Return to factory
Off
12 flashes
Version error
Software versions of the 2
microprocessors are different
Return to factory
Off
13 flashes
14 flashes
Memory error
Memory is faulty
Return to factory
6.2.1 V3 and V4 LED status
The V3 (red) and V4 (green) led states describe a malfunction in the radio part of the safety receiver.
Name of Led
and colour
Mode
Indication
Message
State
V3
indicator light
(RED)
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
V4
Indicator light
(GREEN)
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