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DLW400ESA4 WELDER/GENERATOR • OPERATION MANUAL — REV. # 0 (03/14/18) — PAGE 7

SAFETY INFORMATION

GENERAL SAFETY

  CAUTION

 

„

NEVER

 operate this equipment without proper protective 

clothing, shatterproof glasses, respiratory protection, 

hearing protection, steel-toed boots and other protective 

devices required by the job or city and state regulations.

 

„

NEVER

 operate this equipment when not 

feeling well due to fatigue, illness or when 

under medication.

 

„

NEVER

 operate this equipment under the infl uence of 

drugs or alcohol.

  NOTICE

 

„

This equipment should only be operated by trained and 

qualifi ed personnel 18 years of age and older.

 

„

Whenever necessary, replace nameplate, operation and 

safety decals when they become diffi cult read.

 

„

Manufacturer does not assume responsibility for any 

accident due to equipment modifi cations. Unauthorized 

equipment modifi cation will void all warranties.

 

„

NEVER

 use accessories or attachments that are not 

recommended by Multiquip for this equipment. Damage 

to the equipment and/or injury to user may result.

 

„

ALWAYS

 know the location of the nearest 

fi re extinguisher.

 

„

ALWAYS 

know the location of the nearest 

fi rst aid kit.

 

„

ALWAYS

 know the location of the nearest phone or 

keep 

a phone on the job site.

 Also, know the phone numbers 

of the nearest 

ambulance, doctor 

and 

fi re department. 

This information will be invaluable in the case of an 

emergency.

Summary of Contents for DLW400ESA4

Page 1: ...S MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES To find the latest revision of this publication visit our website at www multiquip com MODEL DLW400ESA4 WELDER GENERATOR KUBOTA D902E4BWDDE2 DIESEL ENGINE Revision 0 03 14 18 ...

Page 2: ...PAGE 2 DLW400ESA4 WELDER GENERATOR OPERATION MANUAL REV 0 03 14 18 PROPOSITION 65 WARNING Diesel engine exhaust and some of ...

Page 3: ...imilar complaints it may open an investigation and if it finds that a safety defect exists in a group of vehicles it may order a recall and remedy campaign However NHTSA cannot become involved in individual problems between you your dealer or Multiquip Inc To contact NHTSA you may either call the Vehicle Safety Hotline toll free at 1 888 327 4236 TTY 1 800 424 9153 go to http www safercar gov or w...

Page 4: ... 15 Dimensions 16 Installation 18 19 General Information 20 Welding Polarity And Duty Cycle 21 Welding Terms 22 Components Welder Generator 23 24 Components Engine 25 Power Receptacles 26 Control Panel 27 28 Inspection 29 30 Inspection Setup 31 Setup 32 33 Operation 34 41 Maintenance 42 51 Generator Wiring Diagram 52 GeneratorWiring Diagram Reference Designators 53 Engine Wiring Diagram 54 Error C...

Page 5: ... View Parts Diagrams Order Parts Print Specification Information Note Discounts Are Subject To Change Goto www multiquip com and click on Order Parts to log in and save Use the internet and qualify for a 5 Discount on Standard orders for all orders which include complete part numbers Order via Fax Dealers Only All customers are welcome to order parts via Fax Domestic US Customers dial 1 800 6 PART...

Page 6: ...r words DANGER WARNING CAUTION or NOTICE SAFETY SYMBOLS DANGER Indicates a hazardous situation which if not avoided WILL result in DEATH or SERIOUS INJURY WARNING Indicates a hazardous situation which if not avoided COULD result in DEATH or SERIOUS INJURY CAUTION Indicates a hazardous situation which if not avoided COULD result in MINOR or MODERATE INJURY NOTICE Addresses practices not related to ...

Page 7: ... personnel 18 years of age and older Whenever necessary replace nameplate operation and safety decals when they become difficult read Manufacturer does not assume responsibility for any accident due to equipment modifications Unauthorized equipment modification will void all warranties NEVER use accessories or attachments that are not recommended by Multiquip for this equipment Damage to the equip...

Page 8: ... paths and causing electric shock sparks and fire hazards DO NOT use welder generator to thaw frozen pipes Remove stick electrode from holder or cut off welding wire at contact tip when not in use DO NOT touch output terminals during operation Contact with output terminals during operation can cause electrocution electrical shock or burn Remove any combustibles such as a butane lighter or matches ...

Page 9: ...terfere with sensitive electronic equipment such as microprocessors computers and computer driven equipment such as robots Be sure all equipment in the welding area is electromagnetically compatible Toreducepossibleinterference keepweldcablesasshort as possible close together and down low such as on the floor Locate welding operation 100 meters from any sensitive electronic equipment Be sure welde...

Page 10: ...rnor Damage to the engine or equipment can result if operating in speed ranges above the maximum allowable State Health Safety Codes and Public Resources Codes specify that in certain locations spark arresters must be used on internal combustion engines that use hydrocarbon fuels A spark arrester is a device designed to prevent accidental discharge of sparks or flames from the engine exhaust Spark...

Page 11: ...ing contact with output receptacles NEVER insert any objects into the output receptacles during operation This is extremely dangerous The possibility exists of electrical shock electrocution or death Backfeed to a utility system can cause electrocution and or property damage NEVER connect the welder generator to a building s electrical system without a transfer switch or other approved device All ...

Page 12: ...on The battery contains acids that can cause injury to the eyes and skin Use well insulated gloves when picking up the battery ALWAYS keep the battery charged If the battery is not charged combustible gas will build up ALWAYS recharge the battery in a well ventilated environmenttoavoidtheriskofadangerousconcentration of combustible gasses If the battery liquid dilute sulfuric acid comes into conta...

Page 13: ... acid When the life cycle of this equipment is over it is recommended that the unit frame and all other metal parts be sent to a recycling center Metal recycling involves the collection of metal from discarded products and its transformation into raw materials to use in manufacturing a new product Recyclers and manufacturers alike promote the process of recycling metal Using a metal recycling cent...

Page 14: ...able 3 AC DC Simultaneous Use Electrode Size Dia in Welding Amps AC Output kW AC Output Amps 120 240V 14 116 6 58 3 3 32 80 10 83 3 41 6 1 8 130 8 66 6 33 3 5 32 170 6 50 0 25 0 3 16 220 4 33 3 16 6 7 32 270 2 16 6 8 3 1 4 340 0 Table 4 Engine Specifications Model KUBOTA D902 E4B Type Vertical 4 Cycle Liquid Cooled Diesel Eng Rated Output 24 0 HP 3600 rpm Displacement 54 8 cu in 898 L Cooling Syst...

Page 15: ...m Amperes1 87 5 175 262 5 350 Fuel Consumption gal hr llters hr 0 63 2 38 0 78 2 95 1 01 3 82 1 32 5 00 Variable 2300 3600 rpm Amperes 87 5 175 262 5 350 Fuel Consumption gal hr llters hr 0 39 1 47 0 54 2 04 0 89 3 36 1 32 5 00 1 DC welding current at 100 Figure 1 Fuel Consumption Chart Fuel Consumption Fuel Consumption gal h High Low 50 100 150 200 250 300 350 400 DC Weld Amperes at 100 duty cycl...

Page 16: ...18 DIMENSIONS Table 6 Dimensions Reference Letter Dimension in mm A 28 35 720 B 21 06 535 C 13 42 341 D 60 6 1 539 E 31 50 800 F 34 84 885 Figure 2 Dimensions C D E A B Power Source Professionals MAXIMUM LIFTING POINT 1 708 lbs 775 kg TOP VIEW FRONT VIEW C SIDE VIEW ...

Page 17: ...DLW400ESA4 WELDER GENERATOR OPERATION MANUAL REV 0 03 14 18 PAGE 17 NOTES ...

Page 18: ... Consult with local Electrical and Safety Codes for proper connection based on condition of use EXAMPLEofhowtogroundtheunitifthecondition of use requires such a device The ground terminal on the generator should always be used to connect the generator to a suitable ground when required The ground cable should be 8 size wire aluminum minimum If copper wire is used 10 size wire minimum should be use...

Page 19: ...ilated area DANGER Electric shock can occur when vibrators are used Pay close attention to handling when operating vibrators and always use rubber boots and gloves to insulate the body from a short circuit WELDER GENERATOR GROUNDING If applicable to guard against electrical shock and possible damage to the generator it is important to provide a good EARTH ground Figure 3 Article 250 Grounding of t...

Page 20: ...or Switch Operation Lamp Start Button Starter Switch 40 Amp Main Circuit Breaker AC Voltmeter Idle Stop Time Regulator Control Idle Stop Select Switch GFCI Sensing Module GENERAL INFORMATION OUTPUTTERMINAL PANEL 120 VAC GFCI Receptacle 5 20R 120V Twist Lock Output Receptacle L5 30R 240V Twist Lock Output Receptacle L6 30R 120 240V Output Twist Lock Receptacle CS6369 20 Amp 2P Circuit Breaker 30 Am...

Page 21: ...a 10 minute welding period Exceeding the duty cycle will have an affect on the welding process The amperage will start dropping off and the welding process will not have the proper amperage required to proceed If the duty cycle is exceeded damage can occur to the welding machine The 10 minute duty cycle period means 100 welding If the duty cycle is 60 then you can only weld for six minutes and the...

Page 22: ...ered Electrode A composite fill metal electrode consisting of a core of a bare electrode or metal cored electrode to whichacovering sufficientto provide a slag layer on the weld metal has been applied The covering may contain materials providing such functions as shielding from the atmosphere deoxidization and arc stabilization and can serve as a source of metallic additions to the weld 14 FilletW...

Page 23: ...nk Reference Table 4 for fuel tank capacity 9 Coolant Drain Plug Remove this plug to drain coolant from the radiator ReferenceTable 4 for coolant capacity 10 Oil Drain Plug Remove this plug to drain engine oil Reference Table 4 for engine oil capacity and oil type 11 Door Release Latch Pull outward to release cabinet door 12 Air Inlet Vent Allows outside air to enter the generator NEVER block this...

Page 24: ... indicated level as shown on expansion bottle 4 Engine Oil Filler Port Remove this cap to add engine oil Use only the recommended oil type See Table 4 for engine oil capacity 5 Oil Filter Spin on type filters oil contaminants Replace filter as recommended in the maintenance section of this manual Figure 5 Control Panel Components 1 2 3 6 7 4 5 6 Fuel Filter Prevents dirt and other debris from ente...

Page 25: ...Pump Provides fuel under pressure to the injector nozzles 5 Air Filter Prevents dirt and other debris from entering the air intake system Loosen clips on side of air filter canister to gain access to filter element Replace with manufacturer s recommended type air cleaner only 6 Cooling Fan Blades Make sure cooling fan blades are not bent or broken A damaged fan blade can cause the engine to run ho...

Page 26: ...ASE LOAD Always be sure to check the nameplate on the generator and equipment to insure the wattage amperage frequency and voltage requirements are satisfactorily supplied by the generator for operating the equipment Generally the wattage listed on the nameplate of the equipment is its rated output Equipment may require 130 150 more wattage than the rating on the nameplate as the wattage is influe...

Page 27: ...ging arc Placing the voltage selector switch in the single mode position will access terminal A Placing the voltage selector switch in the dual mode will access both terminals A and B 9 Terminals A B Current Voltage Reg Control Place this knob in the desired setting when welding is required Current range is from 30 to 400 amps CC single mode 30 to 200 amps CC dual mode Placing the voltage selector...

Page 28: ...tor OFF and consult your authorized Multiquip service dealer 6 Selector Switch Place this switch in the ON position to enable the idle stop function 7 GFCI Sensing Module Interrupts power when a ground fault exists 8 Operation Lamp When lit indicates unit is ON and in use 9 Engine Start Button After the ignition key has been placed in the RUN position press this button once to start the engine Con...

Page 29: ...ator REFILLINGTHE FUEL SYSTEM 1 Lift the control panel lid and fold backwards 2 Next insert the ignition key into the starter switch and place in the RUN position 3 Read the fuel guage status LEDs Figure 12 on the control panel and determine if the fuel level is low ReferenceTable 11 for LED fuel gauge level indication 4 Place ignition key in STOP position and remove ignition key from starter swit...

Page 30: ...Coolant Capacity Engine and Radiator 69 gal 2 6 liters Reserve Tank 22 gal 832 liters Table 13 Anti Freeze OperatingTemperatures Vol Anti Freeze Freezing Point C F 50 37 34 NOTICE When the antifreeze is mixed with water the antifreeze mixing ratio must be less than 50 INSPECTION CLEANINGTHE RADIATOR The engine may overheat if the radiator fins become overloaded with dust or debris Periodically cle...

Page 31: ...e 14 Battery CAUTION ALWAYS disconnect the negative terminal FIRST and reconnect negative terminal LAST POSITIVE NEGATIVE INSPECTION SETUP SELECTINGTHE WELDING CABLE The welding cable should be larger in size as it becomes longer or its current becomes higher Prepare a cable with suitable size by referring to Table 14 WELDING CABLE AND POLARITIES 1 ALWAYS attach terminal ring connectors Figure 15 ...

Page 32: ...te electrode size in accordance with Table 16 Single Mode Operation or Table 17 Dual Mode Operation 5 Attach the clamp holder to the electrode as shown in Figure 16 and Figure 17 WARNING Whenoperatingthewelderindualmode NEVERconnect thepositiveandnegativeterminals Figure17 fromtheA and B sides together Thisconditionmaycausethevoltagebetweenthewelding terminalstodoubleundernoload causingdamagetothe...

Page 33: ...terminals Consult the manufacturer s instructions when connecting the wire feeder to the welder generator SETUP 2 Select the appropriate welding wire size depending on the application as referenced in the wire feeder instruction manual 3 After the correct wire size has been determined install wire spool onto wire feeder 4 Adjust the CV voltage regulator for the desired DC voltage to the wire feede...

Page 34: ...F position prior to starting the welder generators Figure 19 Circuit Breakers 2 Place the fuel valve lever Figure 20 in the ON position Figure 20 Fuel Valve Lever ON 240V 20A 120V OFF No 4 30A No 3 AC CIRCUIT PROTECTOR 30A No 2 OFF OFF L5 30R L6 30R CS6369 240V 30A No 2 240V 30A No 2 120V 240V 40A No 1 5 20R OFF 40 A AC220V 25kA PS E JET Fe CB4 CB3 CB2 CB1 OFF ON FUEL VALVE LEVER 3 Close all enclo...

Page 35: ...econdsbeforeenginecrankingcanbegin Figure 28 DC Weld Meter Countdown 11 Whenthepre heatingtimehasbeencompleted engine cranking will begin and the engine will be started 12 After the engine starts let the machine idle for 5 10 minutes to warm up 13 Carefully check the engine for abnormal vibration noise oil leakage fuel leakage cooling water leakage and air leakage Also verify if any alarm lights a...

Page 36: ...iable Control Table 19 Current Range Engine Speed Single Mode Operation e Mode Selector Switch Low 2300 rpm Variable 2300 3600 rpm High 3600 rpm Variable Low 30 200A See Notes 200 400A See Notes High Low See Notes 30 400A High 30 400A See Notes Note 1 If using two welders connected with different polartities to weld the same work the voltage between the holders may cause electric shock to the oper...

Page 37: ... In additionthiscontrolcanbeusedtofinetunethearcbased on the specific application being used OPERATION DUAL MODE WELDING CC 1 Place the welding mode selector switch Figure 36 in the dual mode position Figure 36 Single Dual Selector Switch Dual Position 2 Follow steps 2 through 6 as outlined in the Single Mode Welding CC section and reference Table 20 instead of Table 19 NOTICE NEVER switch the sin...

Page 38: ...ob Voltage Adjust 5 The selected voltage will be displayed on the DC weld meter Figure 41 Table 21 Voltage Range Engine Speed Single Mode Operation e Mode Selector Switch Low 2300 rpm Variable 2300 3600 rpm High 3600 rpm Variable Low 14 17 VDC See Notes 18 35 VDC High Low See Notes 14 35 VDC High 14 35 VDC See Notes Note 1 If using two welders connected with different polartities to weld the same ...

Page 39: ...ng The lamp will remain on until the battery has received sufficient charge Once a sufficient charge has been achieved the lamp will turn off This concept is in place to prevent the operator from shutting down and restarting the unit multiple times in a shorten time frame Multiple starts in a shorten time frame will deplete the battery charge and cause battery replacement Main Circuit Breaker On L...

Page 40: ...AP 2 ENGINE RESTART 15 VDC OPERATION RESTARTINGFROMIDLESTOP GENERATORSIDE This section will describe how the welder detects the restart signal when idle stop selector switch has been placed in the ON position generator side 1 To detect the restart signal a voltage of about 15VDC will be generated at the GFCI receptacle during the stopping of the engine 2 Insert the plug from a power tool such as a...

Page 41: ...un at idle speed for 5 minutes 240V 20A 120V OFF No 4 30A No 3 AC CIRCUIT PROTECTOR 30A No 2 OFF OFF 240V 30A No 2 240V 30A No 2 120V 240V 40A No 1 OFF 40 A AC220V 25kA PS E JET Fe CB4 CB3 CB2 CB1 VARIABLE LOW HIGH e MODE SELECTOR SWITCH HIGH LOW OPERATION 4 Place the ignition key Figure 50 in the STOP position Figure 50 Ignition Key STOP Position 5 Remove all loads from the generator receptacles ...

Page 42: ... X Pressure Test Cooling System X Check Engine Speed X Test Thermostats X Check and Adjust EngineValve Clearance 1000 hrs Test Glow Plugs X Flush and Refill Cooling System 3 1yr or2000hrs Clean Inside of Fuel Tank 1000hrs Generator Measure Insulation Resistance Over 3M ohms X Check Rotor Rear Support Bearing X 1 During initial operation of a new engine change oil and filter between a minimum of 10...

Page 43: ...ough the filter element from the inside out NOTICE If the engine is operating in very dusty or dry grass conditions a clogged air cleaner will result This can lead to a loss of power excessive carbon buildup in the combustion chamber and high fuel consumption Change air cleaner more frequently if these conditions exist CAUTION Wear protective equipment such as approved safety glasses or face shiel...

Page 44: ...le 24 Recommended Oil Classification FuelType API Classification Engine Oil High Sulfer Fuel 0 05 500 PPM Sulfer Content 0 50 5000 PPM CF If the CF 4 CG 4 CG 4 or CI 4 engine oil is used with high sulfer fuel change the engine oil at shorter intervals approximately half Low Sulfer Fuel Sulfer Content 0 05 500 PPM or Ultra Low Sulfur Fuel Sulfer Content 0 0015 15 PPM CF CF 4 CG 4 CH 4 or CI 4 MAINT...

Page 45: ...it for several minutes Top off the oil to the upper limit on the dipstick ENGINE OIL FILTER CARTRIDGE RUBBER SEAL COAT SEAL WITH THIN LAYER OF OIL OIL FILTER WRENCH OIL MAINTENANCE DRAINING ENGINE COOLANT 1 Remove the radiator pressure cap Figure 56 only if the coolant tempeature is below 120 F 50 C Figure 56 Radiator Pressure Cap Removal 2 Remove the coolant drain bolt and o ring Figure 57 then a...

Page 46: ...RNING DO NOT remove the pressure cap from the radiator when the engine is hot Wait until the coolant temperature is below 120 F 50 C before removing pressure cap Heated coolant spray or steam can cause severe scalding and personal injury WARNING If adding coolant antifreeze mix to the radiator DO NOT remove the radiator cap until the unit has completely cooled The possibility of hot coolant exists...

Page 47: ...rain the fuel inside the fuel tank completely Using a spray washer Figure 60 wash out any deposits or debris that have accumulated inside the fuel tank FU E L D R A IN FUEL DRAIN BOLT AND O RING MAINTENANCE Figure 60 Fuel Tank Cleaning 2 Reinstall fuel tank drain bolt with o ring and tighten securely FUELTANK INSPECTION In addition to cleaning the fuel tank the following components should be inspe...

Page 48: ...LTER HEAD O RING AUTOMATIC AIR BLEEDING DEVICE When the engine stops due to running out of fuel take off the fuel filter or fuel piping and re start the machine in accordance with the following instructions 1 Refuel the fuel tank and place the fuel valve in the OPEN position 2 Place the starter switch key in the START position When the engine starter engages the automatic air vent device will expe...

Page 49: ...erator as outlined in the start up procedure in this manual 2 Place the main circuit breaker CB1 Figure 65 in the ON position Figure 65 Main Circuit Breaker ON GFCI Test GLAZED OIL SOAKED BROKEN CORD FAILURE CRACKS MISSING RUBBER SIDEWALL WEAR WORN BACK COVER 40 A AC220V 25kA PS E JET Fe CB1 ON MAINTENANCE 3 On the GFCI sensing module Figure 66 verify that the green POWER LED is ON Figure 66 GFCI ...

Page 50: ...e tested daily at startup TESTINGTHE GFCI RECEPTACLE If tripping of the GFCI receptacle persists after a load is replaced with a known good one no short circuit perform this test at least once a month 1 Start the welder generator as outlined in the start up procedure in this manual 2 Place the GFCI circuit breaker CB4 Figure 72 in the ON position Figure 72 GFCI Circuit Breaker ON 3 Verify green LE...

Page 51: ...L B A V Welding Welding A V MAINTENANCE 2 In addition the battery charge oil pressure and water temperature alarms will be displayed on the engine warning display Figure 75 Figure 75 Engine Warning Lamps 3 Reference Table 27 for protection device error codes GENERATOR SIDE If the power transistor PTR insulated gate bipolar transistor IGBT on the welding side become abnormally hot a protective erro...

Page 52: ...RAM S N573486 AND BELOW 2 3 5 3 5 mm 2 5 5 5 5 mm 2 8 8 mm 2 14 14 mm 2 30 30 mm 2 mm B L BR G GR V P BLACK BLUE BROWN GREEN GRAY VIOLET PINK R W Y LB LG O RED WHITE YELLOW LIGHT BLUE LIGHT GREEN ORANGE WIRE SIZE CODE WIRE COLOR NO MARK WIRE SIZE 0 75 Terminal Board With Engine Side TB2 TB1 ...

Page 53: ...UIT BREAKER 2P 30A CIRCUIT BREAKER 1P 30A CIRCUIT BREAKER 2P 20A RECEPTACLE GFCI 5 20R 125 VAC 20 AMPS RECEPTACLE CS6369 250 VAC 50 AMPS RECEPTACLE L6 30R 250 VAC 30 AMPS RECEPTACLE L5 30R 125 VAC 30 AMPS IC CONTROL UNIT TRANSISTOR IGBT CURRENT TRANSFORMER CT AC AUTOMATIC VOLTAGE REGULATOR CONDENSER CURRENT VOLTAGE REGULATOR WELDING REGULATION TIME REGULATOR IDLE STOP SELECTOR SWITCH E MODE SELECT...

Page 54: ...RAM S N573487 AND ABOVE 2 3 5 3 5 mm 2 5 5 5 5 mm 2 8 8 mm 2 14 14 mm 2 30 30 mm 2 mm B L BR G GR V P BLACK BLUE BROWN GREEN GRAY VIOLET PINK R W Y LB LG O RED WHITE YELLOW LIGHT BLUE LIGHT GREEN ORANGE WIRE SIZE CODE WIRE COLOR NO MARK WIRE SIZE 0 75 Terminal Board With Engine Side TB2 TB1 ...

Page 55: ...B RY1 2 OCR TB2 22 CIRCUIT BREAKER 3P 40A CIRCUIT BREAKER 2P 30A CIRCUIT BREAKER 1P 30A CIRCUIT BREAKER 2P 20A RECEPTACLE GFCI 5 20R 125 VAC 20 AMPS RECEPTACLE CS6369 250 VAC 50 AMPS RECEPTACLE L6 30R 250 VAC 30 AMPS RECEPTACLE L5 30R 125 VAC 30 AMPS IC CONTROL UNIT TRANSISTOR IGBT CURRENT TRANSFORMER CT AC AUTOMATIC VOLTAGE REGULATOR CONDENSER CURRENT VOLTAGE REGULATOR WELDING REGULATION TIME REG...

Page 56: ...m 2 22 22 mm 2 mm B L BR G GR V P BLACK BLUE BROWN GREEN GRAY VIOLET PINK R W Y LB LG O RED WHITE YELLOW LIGHT BLUE LIGHT GREEN ORANGE WIRE SIZE CODE WIRE COLOR NO MARK WIRE SIZE 0 75 RY5 RY6 Re3 PL SW9 STARTER TELAY GLOW RELAY ENGINE ON OFF RELAY POWER RELAY STARTER SWITCH RECTIFER PILOT LAMP SYMBOL DESIGNATION RY7 RY8 ...

Page 57: ...s are not clogged Check for thermal effect of any other machines Make sure side door is closed before operation E13 A Side Welding Overcurrent Allow for proper duty cycle Reference Table 7 E16 A Side Current Voltage Regulator Error Inspect regulator movement and connections E17 A Side Welding Regulator Error Inspect remove and test regulator for proper resistance E20 B Side PTR IGBT Overheat Weldi...

Page 58: ... idle stop state continues 2 hours or more control power will automatically be cut off Operation lamp lights to remind operator to set to OFF When restarting engine set the Starter switch to STOP once then to RUN again and push the Engine Start button Idle stop function does not operate Main CB indicator lamp on idle stop monitor is ON Idle Stop switch is set to OFF Set Idle Stop switch to the ON ...

Page 59: ...ion AC Load lamp on idle stop monitor blinks if AC auxiliary circuit breakers are ON Side door open Close side door Side Door Open lamp on idle stop monitor blinks if side door is open ON OFF power switch from load power tool connected to 120V GFCI receptacle cannot be detected twice or more If power switch of the load connected to output receptacle remains ON AC Load lamp on idle stop monitor bli...

Page 60: ...n type thickness and arc length of welding electrode Current variation is larger as welding regulator is turned further clockwise Consider indicated preset current value as standard at any position other than constant current position Rotation speed of engine is low due to overload or being out of condition When welding at maximum output output may be limited by overload if welding cable diameter ...

Page 61: ...DLW400ESA4 WELDER GENERATOR OPERATION MANUAL REV 0 03 14 18 PAGE 61 NOTES ...

Page 62: ... co uk Tel 0161 339 2223 Fax 0161 339 3226 COPYRIGHT 2018 MULTIQUIP INC Multiquip Inc the MQ logo and the MQ Power logo are registered trademarks of Multiquip Inc and may not be used reproduced or altered without written permission All other trademarks are the property of their respective owners and used with permission This manual MUST accompany the equipment at all times This manual is considere...

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