Service and maintenance
12.2 Error messages
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
Operating Instructions, 04/2020, C79000-G8976-C512-03
165
18 good INVALID_
The specified tag field of the transponder is unknown.
19 good RF_COMMUNICATION_
The transponder is not responding.
19 good RF_COMMUNICATION_
The verification of the written transponder data has failed.
19 good RF_COMMUNICATION_
General transponder error
19 good RF_COMMUNICATION_
The transponder has too little power to execute the command.
19 good RF_COMMUNICATION_
The transponder signals a CRC error.
19 good RF_COMMUNICATION_
The selected frequency is not enabled.
19 good RF_COMMUNICATION_
The carrier signal is not activated.
19 good RF_COMMUNICATION_
General radio protocol error
20 good DEVICE_FAULT Fault in power supply
The power supply is very close to the low limit.
20 good DEVICE_FAULT Antenna errors
• The antenna or the antenna cable is defective.
• Error in the connection to the reader; the reader is not an-
swering (in PROFIBUS operation).
– The cable between the communication module and
reader is wired incorrectly or there is a cable break
– The 24 V supply voltage is not connected or is turned off
or has failed briefly
– Automatic fuse on the communication module has blown
– Hardware defective
– Another reader is in the vicinity and is active
– There is a reflecting metal surface in the vicinity that is
disrupting the antenna field
– Execute "init_run" after correcting the error
The selected antenna is not enabled.
-- OpcUa_
BadInva-
lidState
-- The command is not permitted in this status or is not supported.
Possible cause:
• "INIT" was chained.
• Command repetition was started without "Presence mode".
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