Siemens SITRANS LR500 Series - Page 8

9.3.10 Frequency (3.10) ............................................................................................................. 145
9.3.11 Audit trail (3.11) .............................................................................................................. 145
9.3.11.1 Con󹪝guration c
hange counter (3.11.1)............................................................................. 145
9.3.12 Firmware update (3.12) ................................................................................................... 145
9.3.12.1 Data transfer (3.12.1) ...................................................................................................... 145
9.3.12.2 Firmware update (3.12.2) ................................................................................................ 145
9.4 Communication (4).......................................................................................................... 145
9.4.1 Polling address (4.1) ........................................................................................................ 145
9.4.2 Identify the device (4.2)................................................................................................... 146
9.5 Security (5)...................................................................................................................... 146
9.5.1 User PIN........................................................................................................................... 146
9.5.2 Change user PIN (5.1) ...................................................................................................... 146
9.5.3 Recovery ID (5.2) ............................................................................................................. 146
9.5.4 PIN recovery (5.3) ............................................................................................................ 147
9.5.5 User PIN (5.4) .................................................................................................................. 147
9.5.6 Button lock (5.5).............................................................................................................. 148
9.6 Language (6) ................................................................................................................... 148
10 Service and maintenance .................................................................................................................. 149
10.1 Basic safety notes............................................................................................................. 149
10.1.1 Maintenance.................................................................................................................... 149
10.2 Cleaning.......................................................................................................................... 150
10.3 Maintenance and repair work........................................................................................... 150
10.3.1 Enclosure open................................................................................................................ 151
10.4 Replacing the HMI............................................................................................................ 152
10.4.1 Remove existing HMI ....................................................................................................... 152
10.4.2 Install HMI ....................................................................................................................... 152
10.5 Return procedure ............................................................................................................. 153
10.6 Disposal........................................................................................................................... 154
11 Diagnostics and troubleshooting....................................................................................................... 155
11.1 Device status symbols ...................................................................................................... 155
11.2 Communication troubleshooting...................................................................................... 155
11.3 Device status symbols ...................................................................................................... 156
11.3.1 Device status symbols (chart)........................................................................................... 156
11.4 Device information symbols ............................................................................................. 158
11.4.1 Device information symbols ............................................................................................. 158
11.5 Fault codes and corrective actions .................................................................................... 159
11.5.1 Fault codes and corrective actions .................................................................................... 159
11.6 Operation troubleshooting............................................................................................... 165
11.6.1 Common problems .......................................................................................................... 165
11.6.1.1 Communication troubleshooting...................................................................................... 165
11.6.2 Measurement di󹪟culties.................................................................................................. 166
11.6.2.1 Adjusting aiming ............................................................................................................. 166
11.6.2.2 Fixed reading................................................................................................................... 166
11.6.2.3 Set the device to ignore the false echo ............................................................................. 167
Table of contents
SITRANS LR500 series with mA/HART
8 Operating Instructions, 03/2024, A5E51099898-AA