V02.00 | 2021/11
101
Message
Description
Possible causes
RF_COMMUNICATION_ERROR Error during communication
between the read/write
device and tag
n
Air interface error
n
Error when switching on the HF read/write head
n
Air interface error: CRC error
n
Air interface error: timeout
n
Air interface error: UHF tag error
n
HF tag does not match the tag type set in the
parameters
DEVICE_FAULT
Hardware error in the connec-
ted device
n
Read/write device not connected
n
HF read/write head faulty
9.7.2
Calling channel and module diagnostic messages in the web server
Diagnostic messages – module status
Fig. 81: Web server – module status diagnostics
Status message
Description
I/O-ASSISTANT Force Mode active
DTM active in Force mode
Undervoltage V2
Undervoltage V2
Undervoltage V1
Undervoltage V1
Module diagnostics available
Module diagnostics available
Internal error
Internal error