ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 6)

vi IETG FlowHawk Manual
Chapter 8 Maintenance and
Troubleshooting…………. ..................... 8-1
Maintaining the System Components ............................. 8-2
Gathering Replacement Parts and Supplies ............. 8-2
Inspecting the Monitor ............................................ 8-3
Inspecting, Cleaning, and Handling the Sensors ... 8-17
Replacing the SIM Card and Desiccant in the
GSM Module ................................................. 8-21
Replacing EMU Components ................................ 8-25
Replacing the SIM Card in the EMUX ................. 8-30
Replacing the Regulator and Fuses in the
Monitor .......................................................... 8-31
Troubleshooting ........................................................... 8-38
General Monitor Problems .................................... 8-39
Communication Problems ..................................... 8-43
Ultrasonic Depth Subsystem ................................. 8-47
Upward Depth Subsystem ..................................... 8-52
Peak Velocity Subsystem ...................................... 8-55
Surface Velocity Subsystem .................................. 8-58
Pressure Depth Subsystem .................................... 8-60
Temperature Subsystem ........................................ 8-61
Appendix A Specifications….. .................. A-1
FlowHawk Flow Monitor ....................................... A-1
Intrinsically-Safe Sensors ....................................... A-4
Direct Connect Cable ........................................... A-11
Wireless GSM Module ......................................... A-12
External Modem Unit ........................................... A-13
External Modem Unit/Multiplexer ....................... A-14
Power Supply ....................................................... A-15
Appendix B Part Numbers…… ................. B-1
Appendix C Monitor Activity Codes ......... C-1