Cattron LOFA MC704 Panel Operation And Troubleshooting Manual Download Page 18 | Manualshive

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LOFA

TM

MC704

Panel Operation and Troubleshooting Manual

18

9M02-3000-A001-EN

Revision D

5

Typical Schematics

The following figures show typical schematics. The details will vary from installation to installation. Please see the

specific schematics for the particular installation for details.

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Summary of Contents for LOFA MC704

Page 1: ...LOFATM MC704 Panel Operation and Troubleshooting Manual 9M02 3000 A001 EN ...

Page 2: ...lication of Cattron products rests with the end user since Cattron and its agents cannotbe aware of all potential uses Cattron makes no warranties as to non infringement nor as to the fitness merchantability or sustainability of any Cattron products for any specific or general uses Cattron Holdings Inc or any of its affiliates or agents shall not be liable for incidental or consequential damages o...

Page 3: ...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 Troublesho...

Page 4: ...LOFATM MC704 Panel Operation and Troubleshooting Manual 4 9M02 3000 A001 EN Revision D 7 Technical Support 21 ...

Page 5: ...hourmeter Both versions can be factory configured with specific preheat and afterglow requirements If preheat is not required this output can function as an alarm All standard panels feature a 12 inch wiring harness terminating into a sealed weather proof plug This robust universal wiring connection performs well in harsh environments and allows interchanging a number of different panels and harne...

Page 6: ...tools and materials may cause damage or make the equipment unsafe to operate Only persons with appropriate training skills and tools should perform these functions Improper operation maintenance or repair of this product can be dangerous and may result in injury or death Do not operate or perform any maintenance or repair on this product until all operation maintenance and repair information is re...

Page 7: ...l run stop solenoid output is turned off after 30 seconds even if preheating As soon as the key switch is turned to the start position the solenoid output is enabled The afterglow cycle begins when the key switch returns to the run position Note If conditions do not warrant preheat the engine may be started by turning the key to the start position without waiting for the preheat time to expire Pan...

Page 8: ... Irregular blinking of the Battery LED may indicate a failing charge circuit The panel can be factory configured to indicate only battery charge failure 3 2 2 Oil Pressure LED Red A solidly illuminated Oil Pressure LED indicates low oil pressure failure The panel typically senses low oil pressure from a ground contact switch on the engine When a sender switch combination is used on the engine the ...

Page 9: ... ENGINE IS NOT PROTECTED FROM OVERHEATING FOR THE BEST POSSIBLE PROTECTION CATTRON RECOMMENDS USING OUR SOLID STATE COOLANT LEVEL SHUTDOWN SWITCH Note Most shutdown switches are grounded through the switch body Do not use insulating sealant i e Teflon tape when installing switches Some thermostat housings are composites and do not provide ground for the switch 3 2 4 AUX LED Red A solidly illuminat...

Page 10: ...ors For unsealed connectors exposed to the elements Cattron recommends using dielectric grease to protect contacts WARNING CATTRON DOES NOT RECOMMEND USING SEALANT WITH UNSEALED CONNECTORS SEALANT TRAPS MOISTURE IN THE CONNECTOR AND ENCOURAGES CORROSION 3 3 3 Harness Routing The minimum routing radius of the wiring harnesses should be at least two times the diameter of the wiring harness Bends sho...

Page 11: ...kers can be significantly reduced below the rated trip point if the circuit breaker is exposed to high temperatures WARNING DISCONNECTING THE BATTERY WHILE THE ENGINE IS RUNNING MAY DAMAGE ELECTRICAL COMPONENTS WHEN USING A BATTERY DISCONNECT SWITCH CATTRON RECOMMENDS USING A 2 POLE SWITCH TO DISCONNECT BOTH THE BATTERY AND ALTERNATOR OUTPUT 3 4 2 Battery Negative Connection Grounding WARNING IMPR...

Page 12: ...SSION AT THE TRANSIENT SOURCE IS REQUIRED CATTRON FOLLOWS SAE RECOMMENDED ELECTRICAL ENVIRONMENT PRACTICES Inductive devices such as relays solenoids and motors generate voltage transients and noise in electrical circuits Unsuppressed voltage transients can exceed SAE specifications and damage electronic controls Relays and solenoids with built in voltage transient suppression diodes are recommend...

Page 13: ...NING DO NOT GROUND THE WELDER TO ELECTRICAL COMPONENTS SUCH AS THE CONTROL GROUND OR SENSORS IMPROPER GROUNDING CAN CAUSE DAMAGE TO ELECTRICAL COMPONENTS CLAMP THE GROUND CABLE FROM THE WELDER TO THE COMPONENT BEING WELDED PLACE THE CLAMP AS CLOSE AS POSSIBLE TO THE WELD TO REDUCE THE POSSIBILITY OF DAMAGE 1 Stop the engine Turn the key switch to the OFF position 2 Disconnect the negative battery ...

Page 14: ...lenoid Troubleshooting section Tripped overcurrent protection Correct fault replace or reset overcurrent protection No preheat cold condition See Preheat Troubleshooting section Engine runs for 10 seconds and shuts down Possible Cause Possible Remedy Shutdown switch input active Verify shutdown source exists correct condition or correct faulty circuit Battery not charging Verify alternator chargin...

Page 15: ...ng solenoid linkage Repair or replace solenoid linkage Fuel valve without check valve Install or repair check valve Fuel run stop solenoid does not engage Possible Cause Possible Remedy No power to solenoid Locate reason for lack of power and correct Circuit overloaded Failed suppressor diode Faulty wiring No power to solenoid pull coil Correct faulty wiring check pull control circuit Incorrect li...

Page 16: ...lty panel See Panel Troubleshooting section 4 4 Panel Troubleshooting Panel does not perform self test Possible Cause Possible Remedy Tripped overcurrent protection Correct fault replace or reset overcurrent protection Faulty connection to battery Correct battery connections see Battery Circuit Requirements section Panel performs normal self test engine cranks runs and shuts down Possible Cause Po...

Page 17: ...s Shutdown operation can be verified by grounding the shutdown inputs individually It may be necessary to remove the wire from the shutdown switch to perform this test Note Most shutdown switches are grounded through the switch body Do not use insulating sealant i e Teflon tape when installing switches Some thermostat housings are composites and do not provide ground for the switch ...

Page 18: ...ting Manual 18 9M02 3000 A001 EN Revision D 5 Typical Schematics The following figures show typical schematics The details will vary from installation to installation Please see the specific schematics for the particular installation for details ...

Page 19: ...LOFATM MC704 Panel Operation and Troubleshooting Manual 19 9M02 3000 A001 EN Revision D ...

Page 20: ...ducts Deliverables Licensed Product Information Software codes with product numeric values equal to 001 xxxx yyyy zzz where xxxx yyyy and zzz equal 0000 9999 Software codes qualified under the same numeric regimen detailed above or including the verbal description of CANPlus products and or the CANPlus Suite of products ...

Page 21: ...peration and Troubleshooting Manual 21 9M02 3000 A001 EN Revision D 7 Technical Support For remote and communication control systems support parts and repair or technical support visit us online at www cattron com contact ...

Page 22: ...ct improvement the information provided in this document is subject to change without notice Cattron Support For remote and communication control systems support parts and repair or technical support visit us online at www cattron com contact Cattron North America Inc 655 N River Rd NW Suite A Warren OH 44483 ...

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