Cattron LOFA MC704 - Default Chapter; Table of Contents

LOFA
TM
MC704
Panel Operation and Troubleshooting Manual
3
9M02-3000-A001-EN
Revision D
Contents
1 Introduction...........................................................................................................................................................5
2 Important Safety Information ................................................................................................................................6
3 Operation..............................................................................................................................................................7
3.1 Preheat Options ........................................................................................................................................8
3.1.1 Preheat Output ............................................................................................................................8
3.2 Indicators ..................................................................................................................................................8
3.2.1 Battery LED (Red) .............................................................................................................8
3.2.2 Oil Pressure LED (Red) ................................................................................................8
3.2.3 Temperature LED (Red) ........................................................................................................9
3.2.4 AUX LED (Red) ................................................................................................................9
3.2.5 Preheat/OK LED (Green) ....................................................................................................9
3.3 Harness.................................................................................................................................................. 10
3.3.1 Sealed Connectors ................................................................................................................... 10
3.3.2 Unsealed Connectors ............................................................................................................... 10
3.3.3 Harness Routing ....................................................................................................................... 10
3.4 Battery Circuit Requirements ................................................................................................................. 11
3.4.1 Battery Positive Connection ..................................................................................................... 11
3.4.2 Battery Negative Connection (Grounding) ............................................................................... 11
3.4.3 Voltage Drop ............................................................................................................................. 12
3.5 Suppression of Voltage Transients (Spikes) ......................................................................................... 12
3.6 Welding on Equipment with Electronic Controls .................................................................................... 13
4 Troubleshooting ................................................................................................................................................ 14
4.1 General Troubleshooting ....................................................................................................................... 14
4.2 Fuel Run/Stop Solenoid Troubleshooting .............................................................................................. 15
4.3 P
reheat Troubleshooting ....................................................................................................................... 16
4.4 Panel Troubleshooting ........................................................................................................................... 16
4.4.1 Testing Shutdown Inputs .......................................................................................................... 17
5 Typical Schematics ........................................................................................................................................... 18
6 Additional Information ....................................................................................................................................... 20
6.1 Products/Deliverables ............................................................................................................................ 20