Siemens SIMATIC RF170C Operating Instructions Manual page 46

Diagnostics and error messages
7.2 LED displays on the RF170C communication module
Status and error LEDs on the RF170C connection module
Table 7- 1
ACT_1, ACT_2
ERR_1, ERR_2
PRE_1, PRE_2
RxD_1, RxD_2
The meaning of the individual flashing pattern is described in the relevant FB documentation.
1)
There, you will also find the relevant error descriptions.
In the case of multitag operation, this LED uses a flashing interval to indicate the number of data
2)
carriers currently within the range of the reader.
After start-up or updating the firmware, the LEDs SF, PRE, ERR and ACT indicate the operating
status or errorss of the RF170C:
Table 7- 2 Operating states
SF PRE_1 ERR_1
Off Off Off
On Off On
On Off Off
On On On
On Off On
On On On
On Off On
On On Off
On Off On
– Off 1 x flash
every 3 s
– – n x flash
every 3 s
– – Flashing
– = not relevant
* If this fault recurs, the module is defective and must be replaced.
46
Status and error LEDs for RF170C
LED
SF Group error
The corresponding reader is active processing a user command. (MOBY only)
A flashing pattern indicates the last error to occur.
1)
Indicates the presence of a transponder.
2)
Indicates live communication between the CM and the reader. May also indicate
malfunctions on the reader.
ACT_1 PRE_2
On Off
Off Off
Off Off
On On
On Off
On Off
On On
On On
On On
Off Off
– –
Rapid –
flashing
Meaning
ERR_2 ACT_2 Description
Off Off Startup active
Off Off Checksum error at startup *
On Off Firmware invalid *
On On LED test for approximately 4 seconds;
otherwise firmware error *
On On Checksum error at startup *
On On Checksum error of the firmware *
On On External RAM defective *
On On ESSA3 defective *
Off On ID error firmware *
1 x flash Off RF170C successfully started up, waiting for
every 3 s reset command
m x flash – The last reported error in the channel can
every 3 s be seen from the number of flashes (n, m).
Flashing Rapid Firmware update; alternate flashing of the
flashing error LEDs at approximately 1 Hz
Operating Instructions, 02/2022, J31069-D0176-U001-A6-7618
SIMATIC RF170C