User's Manual

2 LS420 Universal User Manual V2.91 2003-01-21.doc
Table of Contents
System Description and Features.........................................................................................3
Important Note on System Operation and Start-up:........................................................4
Contact Information:..................................................................................................................4
1.1 LS420 Indicator Lights........................................................................................................... 5
1.2 LS420 Display Screen Abbreviations.................................................................................... 5
1.3 LS420 Buttons ....................................................................................................................... 6
1.4 LS420 Display Options.......................................................................................................... 8
Chapter 2: Installation ..............................................................................................................9
2.1 Display Unit Installation ......................................................................................................... 9
2.2 Load Cell Installation V1.2................................................................................................... 13
2.3 Angle Sensor Installation..................................................................................................... 14
2.4 Anti-two-block switch installation V2.0................................................................................ 16
2.5 Installation of a length sensor cable reel............................................................................. 19
2.6 Installation of radius calculation V1.0.................................................................................. 20
Chapter 3: Changing Batteries ............................................................................................24
3.1 Changing Load Sensor Batteries V1.4................................................................................ 24
3.2 Changing Angle Sensor Batteries V1.4 .............................................................................. 27
3.3 Changing Anti-two-block Batteries V1.5 ............................................................................. 30
Chapter 4: Replacing Antennae..........................................................................................31
4.1 Replacing Load, Angle and Two-block Sensor Antennae V2.1.......................................... 31
Chapter 5: Adding and Removing Sensors .....................................................................33
5.1 How To Add A Sensor to the LS420................................................................................... 33
5.2 How to Remove A Sensor from the LS420......................................................................... 34
5.3 Changing Sensor Configuration of the LS420.................................................................... 34
Chapter 6: Troubleshooting 1.0...........................................................................................36
6.1 The Display Unit Does Not Light Up ................................................................................... 37
6.2 The Lock-out Doesn't Engage............................................................................................. 38
6.3 The Display Unit Is Always In Alarm Mode, The "2 Block" warning light is on................... 39
6.4 The Display Unit Is Always In Alarm Mo de, the main hoist green light is flashing............. 39
6.5 The Display Unit Is Always In Alarm Mode, the Load warning light is on.......................... 40
6.6 The Display Unit Is Always In Alarm Mode, the Limit+ or Limit- warning light is flashing.. 41
6.7 The Display Unit Is Always In Alarm Mode, the wind speed alarm message is flashing... 42
6.8 Radio Communication Problem .......................................................................................... 43
Chapter 7: Purchasing and Customer Service ...............................................................44