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MQ Power WHISPERWATT Series - User Manual

MQ Power WHISPERWATT Series
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THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
WHISPERWATT™ SERIES
MODEL
DCA180SSJU4F3PD
60 Hz GENERATOR
(JOHN DEERE 6068HFG05 DIESEL ENGINE)
INSTRUCTION MANUAL NO. M3844301404
Revision #0 (11/01/22)
OPERATION MANUAL

Other manuals for MQ Power WHISPERWATT Series

Questions and Answers

  • W
    Willie FitzgeraldSep 14, 2025
    What is the low fuel level set point for an MQ Power WHISPERWATT?
    • J
      Janet TrujilloSep 14, 2025
      The set point for low fuel level on the MQ Power Portable Generator is 10%.
  • K
    Kathryn BellAug 25, 2025
    What to do if MQ Power WHISPERWATT is low on fuel?
    • S
      sarah79Aug 25, 2025
      If your MQ Power Portable Generator is low on fuel, add fuel to the generator.
  • K
    Katrina ThomasAug 25, 2025
    What to do if MQ Power WHISPERWATT engine has no voltage at AC power source?
    • D
      David JacobsAug 26, 2025
      If your MQ Power Portable Generator engine starts and the engine speed switch is in the HIGH position, but no voltage is present at the AC power source, it could be due to several reasons. The rectifier, rotor, or voltmeter might be defective, or there could be disconnected wiring, a layer short circuit in the armature winding, or a defective AVR. Consider replacing the rectifier, rotor, voltmeter, or armature. Check and repair any disconnected wiring. Replace the AVR if necessary.
  • R
    reyesstephanieAug 26, 2025
    Why MQ Power WHISPERWATT has low engine power, output and speed?
    • S
      Shannon LambertAug 26, 2025
      If your MQ Power Portable Generator experiences low engine power, output, and speed, it could be due to an empty fuel tank, a clogged fuel filter, inadequate fuel tank venting, leaks at pipe unions, an engine oil level that is too full, or injection pump wear. Add fuel, replace the fuel filter, ensure the tank is adequately vented, check and tighten pipe unions, correct the engine oil level, and use only No. 2-D diesel fuel.
  • D
    danielleaguilarSep 15, 2025
    What RPM is considered over speed for MQ Power WHISPERWATT Portable Generator?
    • A
      Anna ArellanoSep 15, 2025
      The set point for over speed on the MQ Power Portable Generator is 2,070 rpm.
  • S
    Shannon MillerSep 23, 2025
    What is the low battery voltage set point for MQ Power WHISPERWATT?
    • R
      Rebecca BarnesSep 23, 2025
      The set point for low battery voltage on the MQ Power Portable Generator is 22 V.
  • M
    Michelle HuffSep 7, 2025
    Why MQ Power Portable Generator has black exhaust smoke?
    • R
      russellalexisSep 7, 2025
      If your MQ Power Portable Generator experiences low engine power output and low speed, accompanied by black exhaust smoke, it could be caused by a blocked air filter or incorrect valve clearances. Clean or replace the air filter and adjust the valves per engine specification.
  • C
    Christopher ReedSep 8, 2025
    What to do if MQ Power WHISPERWATT Portable Generator shows SupplyingLoad Alarm Not InAuto?
    • M
      Marie MarshallSep 8, 2025
      If your MQ Power Portable Generator displays a 'SupplyingLoad Alarm Not InAuto' message, here are some steps to take: 1. Check the digital controller screen for any Diagnostic Trouble Codes (DTCs). 2. Press the OFF button on the digital controller. 3. Place the Control Power switch in the OFF position. 4. Place all circuit breakers in the OFF position. 5. Allow the unit to cool down, then inspect and repair any problems before restarting. 6. Before restarting, ensure the Control Power switch and all circuit breakers are in the OFF position. 7. Restart the generator, ensuring all fault messages are cleared from the digital controller display.
  • L
    Lisa OrtizSep 2, 2025
    Why MQ Power WHISPERWATT battery discharges too soon?
    • J
      Jeffrey ThompsonSep 2, 2025
      If your MQ Power Portable Generator engine starts and the engine speed switch is in HIGH position, but the battery discharges too soon, the issue might be a defective engine regulator or defective wiring. Replace the regulator, and repair or replace the wiring.
  • T
    taylorvanessaAug 31, 2025
    Why MQ Power WHISPERWATT engine remains at low speed?
    • R
      robin28Aug 31, 2025
      If your MQ Power Portable Generator engine starts and the engine speed switch is in HIGH, but the engine remains at low speed, the problem could be a defective engine speed switch, a clogged fuel strainer, a clogged air cleaner, disconnected wiring, a defective solenoid, or a burned-out fuse F2. Replace the switch, clean or replace the fuel strainer and air cleaner, check and repair the wiring, replace the solenoid, and check the solenoid circuit and replace the fuse.

Summary

SAFETY DECALS

SAFETY INFORMATION

SAFETY MESSAGES

Explains the four safety message levels: DANGER, WARNING, CAUTION, NOTICE.

SAFETY SYMBOLS

Lists safety symbols and their meanings (hazards).

GENERAL SAFETY

General safety precautions for operating the generator.

GENERATOR SAFETY

Specific safety guidelines for generator operation.

ENGINE SAFETY

Safety precautions related to the generator's engine.

FUEL SAFETY

Safety guidelines for handling and using fuel.

TOWING SAFETY

Safety recommendations for towing the generator.

ELECTRICAL SAFETY

Precautions related to electrical hazards and connections.

POWER CORD;CABLE SAFETY

Guidelines for safe use of power cords and cables.

GROUNDING SAFETY

Importance of proper grounding for electrical safety.

BATTERY SAFETY

Safety measures for handling and maintaining the generator battery.

ENVIRONMENTAL SAFETY;DECOMMISSIONING

Procedures for safe disposal and environmental considerations.

EMISSIONS INFORMATION

Details about engine emissions and compliance.

SPECIFICATIONS

DIMENSIONS

INSTALLATION

GENERATOR GROUNDING

Guidelines for properly grounding the generator unit.

CONNECTING THE GROUND

How to connect the ground according to codes and conditions.

OUTDOOR INSTALLATION

Site selection and placement for outdoor generator installation.

INDOOR INSTALLATION

Safety and ventilation requirements for indoor installation.

MOUNTING

Instructions for mounting the generator on a stable foundation.

GENERAL INFORMATION

GENERATOR OVERVIEW

Description of the generator's design and intended use.

CONTROL AND OPERATION PANEL

Description of the generator's control and operation panel features.

OUTPUT TERMINAL PANEL

Description of the generator's output terminal panel and its components.

GENERAL PARALLELING INFORMATION

PARALLELING

Explanation of sharing a load between multiple generator sets.

LOAD SHARING

Definition of proportional load division between generator sets.

ACTIVE POWER (KW) LOAD SHARING

How kW load is shared based on engine speed governor.

REACTIVE POWER (KVAR) LOAD SHARING

How kVAR load is shared based on alternator field excitation.

LOAD MANAGEMENT

How the generator system automatically manages load based on demand.

MAJOR COMPONENTS

CONTROL AND OPERATION PANEL

OUTPUT TERMINAL PANEL FAMILIARIZATION

120-VOLT GFCI RECEPTACLES

Details on the two 120-volt, 20-amp GFCI receptacles.

TWIST-LOCK DUAL-VOLTAGE RECEPTACLES

Information on the three 240/139-volt, 50-amp twist-lock receptacles.

CONNECTING LOADS AND OVERCURRENT RELAY

CONNECTING LOADS

Procedures for connecting electrical loads to the generator.

OVERCURRENT RELAY

Explanation of the overcurrent relay and its function.

LOAD APPLICATION

SINGLE-PHASE LOAD

Guidelines for applying single-phase loads to the generator.

THREE-PHASE LOAD

Guidelines for applying three-phase loads to the generator.

POWERBALANCE

GENERATOR OUTPUTS

GENERATOR OUTPUT VOLTAGES

Information on available generator output voltages.

MAXIMUM AMPS

Specification of the maximum amperage the generator can provide.

OUTPUT TERMINAL PANEL CONNECTIONS

3-PHASE 240-VOLT CONNECTIONS

Connecting loads for 3-phase 240-volt output.

SINGLE-PHASE 240-VOLT CONNECTIONS

Connecting loads for single-phase 240-volt output.

SINGLE-PHASE 120-VOLT CONNECTIONS

Connecting loads for single-phase 120-volt output.

OUTPUT TERMINAL PANEL CONNECTIONS

3-PHASE 480-VOLT CONNECTIONS

Connecting loads for 3-phase 480-volt output.

SINGLE-PHASE 480-VOLT CONNECTIONS

Connecting loads for single-phase 480-volt output.

SINGLE-PHASE 277-VOLT CONNECTIONS

Connecting loads for single-phase 277-volt output.

INSPECTION;SETUP

ENGINE OIL CHECK

Step-by-step guide to checking the engine oil level.

FUEL CHECK AND REFILLING

FLUID CHECKS AND REFILLING

DEF REFUELING

Procedures for refueling the Diesel Exhaust Fluid (DEF) tank.

COOLANT CHECK

Instructions for checking and maintaining engine coolant levels.

ADDITIONAL INSPECTION;SETUP TASKS

OPERATION IN FREEZING WEATHER

Considerations for operating the generator in cold climates.

RADIATOR CLEANING

How to clean the radiator fins to prevent overheating.

FAN BELT TENSION

Information on the automatic fan belt tensioning system.

BATTERY MAINTENANCE

Guidelines for battery maintenance and connection.

BATTERY AND WIRING INSPECTION

BATTERY CABLE INSTALLATION

Proper procedures for connecting battery cables.

BATTERY SWITCH

How to operate the optional battery switch.

WIRING AND HOSE INSPECTION

Checking electrical wiring and fluid/fuel hose connections.

GENERATOR START-UP PROCEDURE (SINGLE UNIT)

BEFORE STARTING

Pre-start checks and configurations for single unit operation.

APPLICATION SELECTION

Process for selecting the appropriate generator application mode.

STARTING (SEMI-AUTO MODE)

Steps to start the generator in Semi-Auto mode.

STARTING (AUTO MODE)

Steps to start the generator in Auto mode.

STARTING (MANUAL MODE)

Steps to start the generator in Manual mode.

GENERATOR SHUTDOWN PROCEDURE (SINGLE UNIT)

NORMAL SHUTDOWN PROCEDURE

Step-by-step guide for normal generator shutdown.

EMERGENCY SHUTDOWN PROCEDURE

How to stop the engine in an emergency situation.

AUTOMATIC SHUTDOWN SYSTEM

Information on engine protection devices and automatic shutdowns.

GENERATOR START-UP PROCEDURE (PARALLEL OPERATION)

COMMUNICATION AND POWER CONNECTIONS (TWO GENERATORS)

How to connect communication and power for two generators.

COMMUNICATION AND POWER CONNECTIONS (THREE OR MORE GENERATORS)

How to connect communication and power for three or more generators.

PARALLEL OPERATION APPLICATIONS

50;50 LOADSHARE APPLICATION

Procedures for parallel operation using the 50/50 Loadshare application.

SETTING INTERNAL COMMUNICATION IDs

How to set internal communication IDs for parallel operation.

STARTING (50;50 LOADSHARE)

Steps to start generators in parallel using 50/50 Loadshare mode.

EZ CONNECT APPLICATION

APPLICATION SELECTION (EZ CONNECT)

Process for selecting the EZ Connect application for parallel operation.

STARTING (EZ CONNECT, AUTO MODE)

Steps to start generators in EZ Connect Auto mode.

DISABLE EZ CONNECT

Procedure to disable the EZ Connect application after use.

PARALLEL OPERATION WITH TRANSFER SWITCH

COMMUNICATION AND POWER CONNECTIONS

Connecting generator to a transfer switch.

APPLICATION SELECTION

Selecting the correct application for transfer switch operation.

STARTING (SINGLE GENERATOR WITH TRANSFER SWITCH)

How to start a single generator in parallel with a transfer switch.

GENERATOR SHUTDOWN PROCEDURE (PARALLEL OPERATION)

SHUTDOWN PROCEDURE (PARALLEL OPERATION)

Steps for shutting down the generator in parallel operation.

MAINTENANCE

GENERAL INSPECTION

Routine inspection procedures for the generator.

ENGINE AIR CLEANER

Maintenance and replacement of the engine air cleaner elements.

AIR CLEANER, CONTAINMENT, AND FUEL FILTER MAINTENANCE

AIR CLEANER RESTRICTION INDICATOR

How to interpret and reset the air cleaner restriction indicator.

ENVIRONMENTAL CONTAINMENT TANK

Inspection and draining of the environmental containment tank.

ENGINE FUEL FILTER

Draining the engine fuel filter.

FUEL FILTER AND WATER SEPARATOR MAINTENANCE

FUEL FILTER ELEMENT REPLACEMENT

Steps for replacing the fuel filter element.

FUEL WATER SEPARATOR SEDIMENT BOWL

How to drain and clean the fuel water separator bowl.

FUEL SYSTEM MAINTENANCE

FUEL WATER SEPARATOR REPLACEMENT

Procedures for replacing the fuel water separator cartridge.

CLEANING AND INSPECTING THE FUEL TANK

How to clean and inspect the fuel tank.

ENGINE OIL MAINTENANCE

DRAINING THE ENGINE OIL

Step-by-step guide to draining the engine oil.

ENGINE OIL FILTER REPLACEMENT

Procedures for replacing the engine oil filter.

COOLING SYSTEM MAINTENANCE

DRAINING THE ENGINE COOLANT

How to drain the engine coolant safely.

RADIATOR FLUSHING AND COOLANT REPLACEMENT

Procedures for flushing the radiator and replacing coolant.

RADIATOR CLEANING

How to clean the radiator using a high-pressure washer.

DRIVE BELT AND GFCI RECEPTACLE TESTING

DRIVE BELT INSPECTION AND REPLACEMENT

Inspecting the drive belt for wear and replacing it.

TESTING THE GFCI RECEPTACLE

How to test the GFCI receptacle function.

GENERATOR STORAGE

GENERATOR STORAGE PROCEDURES

Recommendations for long-term storage of the generator.

ENGINE BLOCK HEATER AND BATTERY CHARGER

ENGINE BLOCK HEATER AND BATTERY CHARGER OPERATION

Information on using the engine block heater and battery charger.

EMISSION CONTROL AND PREVENTIVE MAINTENANCE

EMISSION CONTROL SYSTEM

Overview of the diesel engine's emission control system.

DIESEL OXIDATION CATALYST (DOC)

Explanation of the DOC's function in the emission system.

PREVENTIVE MAINTENANCE PROGRAMS

Importance of preventive maintenance for equipment reliability.

EMISSION SYSTEM MAINTENANCE

SELECTIVE CATALYTIC REDUCTION (SCR)

How the SCR system reduces NOx emissions.

EXHAUST AFTER-TREATMENT DASHBOARD

Understanding the dashboard indicators for exhaust system status.

DOC;SCR REGENERATION

Explanation of the DOC/SCR regeneration cleaning process.

REGENERATION GUIDELINES AND PROCEDURES

REGENERATION GUIDELINES

Safety and operational guidelines for regeneration processes.

AUTOMATIC REGENERATION

How automatic regeneration occurs without operator action.

FORCED (MANUAL) REGENERATION

When and how to perform forced regeneration.

EMISSION SYSTEM MANAGEMENT

INHIBIT REGENERATION

How to inhibit regeneration when conditions are unsafe.

DIESEL EXHAUST FLUID (DEF) MAINTENANCE

Monitoring and maintaining the DEF tank level.

TROUBLESHOOTING (FAULTS)

DIAGNOSTIC MODE

How to use diagnostic mode to identify and resolve faults.

TROUBLESHOOTING (GENERATOR)

TROUBLESHOOTING (ENGINE)

ENGINE STARTING AND RUNNING ISSUES

Common engine problems and their solutions.

ENGINE OVERHEATING

Causes and solutions for engine overheating issues.

GENERATOR WIRING DIAGRAM

ENGINE WIRING DIAGRAM

JOHN DEERE WIRING DIAGRAM

PARALLEL CIRCUIT DIAGRAM

MCB SEQUENCE DIAGRAM

BATTERY CHARGER WIRING DIAGRAM

APPENDIX

TOUCH DISPLAY UNIT DIGITAL ICONS

Explanation of the digital icons shown on the status bar.

HOME SCREEN ICONS

Description of icons and functions on the generator's home screen.

APPLICATION SELECTION SCREEN ICONS

Explanation of icons for selecting generator applications.

VOLTAGE SELECTION SCREEN ICONS

Description of icons for selecting generator output voltage.

OUTPUT VOLTAGE STATUS SCREEN ICONS

Description of icons for viewing output voltage status.

GENERATOR AMPERAGE SCREEN ICONS

Description of icons for viewing generator amperage.

ENGINE DATA SCREEN ICONS

Explanation of icons for viewing engine data.

SYNCHRONIZATION STATUS SCREEN ICONS

Explanation of icons for monitoring generator synchronization status.

MAIN MENU SCREEN ICONS

Description of icons and functions on the main menu screen.

CONTROLLER SETTINGS GROUPS SCREEN ICONS

Explanation of icons for accessing controller settings groups.

SUPERVISION SCREEN ICONS

Description of icons on the supervision screen.

TEXT KEYBOARD ICONS

Explanation of icons for the on-screen text keyboard.

VALUE KEYBOARD ICONS

Explanation of icons for the on-screen value keyboard.

PASSCODE KEYPAD ICONS

Explanation of icons for the on-screen passcode keypad.

MAIN ADDITIONAL OPERATOR PANEL (AOP) SCREEN ICONS

Description of icons on the main AOP screen.

ADDITIONAL OPERATOR PANEL 1 (AOP1) SCREEN ICONS

Description of icons on the AOP1 screen.

CONTROLLER SETTINGS LIST SCREEN ICONS

Description of icons on the controller settings list screen.

EDIT INTERNAL COMMUNICATION ID SCREEN ICONS

Description of icons for editing internal communication IDs.

ALARM POP-UP ICONS

Description of icons within the alarm pop-up window.

ALARM SCREEN ICONS

Description of icons on the alarm screen.

EXHAUST AFTER-TREATMENT DASHBOARD SCREEN ICONS

Description of icons on the exhaust after-treatment dashboard.

MQ Power WHISPERWATT Series Specifications

General IconGeneral
ModelWHISPERWATT Series
CategoryPortable Generator
Power OutputVaries by model
Rated OutputVaries by model
Voltage120/240V
Fuel TypeGasoline
EngineVaries by model
PhaseSingle
Engine TypeVaries by model
Fuel Tank CapacityVaries by model
Run TimeVaries by model
WeightVaries by model
DimensionsVaries by model
Outlet TypesVaries by model
Starting SystemRecoil and/or electric start
Wheel KitVaries by model
WarrantyVaries by model

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