
8.2.4 Menu tree Calibration.............................................................. 55
8.2.5 Menu tree Maintenance.......................................................... 55
9 Maintenance...................................................................................... 56
9.1 Safety......................................................................................................... 56
9.2 Maintenance plan..................................................................................... 57
9.2.1 Maintenance protocol.............................................................. 57
9.2.2 Expendable, wearing and spare parts.................................... 58
9.3 Preparatory work....................................................................................... 58
9.4 Visual check.............................................................................................. 58
9.5 Removing the sender/receiver unit......................................................... 59
9.6 Cleaning optical surfaces......................................................................... 59
9.6.1 Cleaning the optical surface of the sender/receiver unit..... 60
9.6.2 Cleaning the optical surface of the GMP measuring probe.. 60
9.6.3 Cleaning the optical surface of the GPP measuring probe... 61
9.7 Cleaning the control unit.......................................................................... 63
9.8 Cleaning the purge air unit....................................................................... 63
10 Troubleshooting................................................................................. 64
10.1 Safety......................................................................................................... 64
10.2 Monitoring and diagnostic system........................................................... 65
10.3 Device not functioning.............................................................................. 65
10.4 Clearing malfunctions on the control unit............................................... 66
10.4.1 Communication error between control unit and receiver..... 66
10.5 Malfunction messages............................................................................. 67
10.6 Warning messages................................................................................... 68
10.7 Repairing inadequate purge air supply................................................... 68
10.8 Corrosion on flange.................................................................................. 69
11 Decommissioning............................................................................. 70
11.1 Safety......................................................................................................... 70
11.2 Removing the device................................................................................ 71
11.3 Preparing the device ready for shipping.................................................. 72
11.4 Environmentally compatible disposal ..................................................... 72
12 Technical data.................................................................................... 74
12.1 GM700 system......................................................................................... 74
12.2 Sender/receiver unit................................................................................ 75
12.3 Open GMP measuring probe.................................................................... 75
12.4 Gas-testable GPP measuring probe........................................................ 75
12.5 Control unit, AWE, sheet steel enclosure................................................ 76
12.6 Control unit, AWE, cast metal enclosure................................................. 77
12.7 Connection unit......................................................................................... 77
12.8 Dimension drawing, sender/receiver unit .............................................. 78
12.9 Dimension drawing, open GMP measuring probe.................................. 79
12.10 Dimension drawing, gas-testable GPP measuring probe....................... 80
CONTENTS
8022447/14AW/V2-0/2021-01 | SICK O P E R A T I N G I N S T R U C T I O N S | GM700 5
Subject to change without notice