Honda EU7000is Manual
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Honda EU7000is Manual

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EU7000is (EEJD-1000001 ~ 1299999)
EU7000isAG (EEJD-1300001 ~ SUBSEQUENT)
Refer to the appropriate shop manual for troubleshooting techniques for the CO-MINDER
SYSTEM LOCATION . . . . . . . . . . . . .
MECHANICAL TROUBLESHOOTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AC OUTPUT . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING BY ERROR CODE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYSTEM DIAGRAM . . . . . . . . . . . . . .
EU-84
EU-85
TERMINAL ARRANGEMENT . . . . . .
ERROR CODE INDEX . . . . . . . . . . .
EU-86
EU-90
GCU INSPECTION . . . . . . . . . . . . . .
STATOR INSPECTION . . . . . . . . . . .
EU-93
EU-96
WIRING DIAGRAMS . . . . . . . . . . . . .
© 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved
TM
®
and wireless (Bluetooth
) systems.
Date Revised: March 2021 (PSV52522-S)
EU-97
EU-100
EU-126
EU-127
EU-128

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Summary of Contents for Honda EU7000is

  • Page 1 SYSTEM DIAGRAM ....EU-96 WIRING DIAGRAMS ... . . EU-128 EU-84 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 2: System Location

    SYSTEM LOCATION AAT SENSOR O2 SENSOR (GCU internal) BARO SENSOR (GCU internal) CKP SENSOR EBT SENSOR GENERATOR INVERTER UNIT THROTTLE CONTROL MOTOR Date Revised: March 2021 (PSV52522-S) EU-85 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 3: Mechanical Troubleshooting

    MECHANICAL TROUBLESHOOTING When presented with an EU7000is inverter generator exhibiting error codes or unusual running problems, follow the steps below BEFORE troubleshooting by the error code(s) found on page EU-93. Remember, mechanical problems can lead to error codes and replacement of expensive electronic components that may not be faulty.
  • Page 4 Restart the unit. If the green output indicator stays illuminated and the Eco Throttle switch functions properly, the voltage selector switch may be faulty. Test the voltage selector switch according to the shop manual procedure. Date Revised: March 2021 (PSV52522-S) EU-87 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 5: Inspect For Damage

    Rotate the rotor by hand and slowly look for any signs of overheated or discolored stator windings. ROTOR WINDOW EU-88 Date Revised: November 2021 (PSV52522-T) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 6: Fuel Pressure Test

    If the generator starts and runs but does not carry the rated load during the load bank test, check the engine compression. Repair as necessary and repeat load bank test. Date Revised: November 2021 (PSV52522-T) EU-89 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 7: Error Code Display

    Wear insulated gloves and avoid handling non-insulated wiring. Use a load bank (available through the Honda Tool and Equipment Program or the Parts Division) to verify the customer’s initial complaint and the generator’s performance after the repairs (see page 3-2).
  • Page 8 1 and 2 1 and 3 2 and 3 Proceed to step 10A on the next page. Proceed to step 10B on the next page. Date Revised: March 2021 (PSV52522-S) EU-91 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 9 • Carbon deposits in combustion chamber or spark arrester. • Fuel system. • Engine compression. • Ignition system. Repair as necessary and repeat step EU-92 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 10 Turns on when an external abnormality such as excessive current is detected Check/Oil Alert indicator Turns on when the oil level is low, or blinks when a GCU malfunction is detected Date Revised: March 2021 (PSV52522-S) EU-93 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 11 Error log 3 Error code longer than 3 seconds to change the display back to the normal display mode. Error log 4 Error code Error log 5 Error code EU-94 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 12 (slave) (°C) Throttle valve angle (%) Battery voltage (V) Engine temperature (°C) Ambient Air Temperature (°C) Barometric Pressure (kPa ) O2 sensor voltage (V) Output (VA) Date Revised: March 2021 (PSV52522-S) EU-95 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 13: System Diagram

    Br/Y BAT_IN Bl/Y PUSH SW1 STARTER SWITCH BARO SENSOR SENSOR SENSOR Y/Bl O2 SENSOR SENSOR Y/Bu SENSOR LEVEL SWITCH Br/W BAT_IN Bu/Y Bu/R GND GND EU-96 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 14: Terminal Arrangement

    DC5V Inverter unit 5V supply to Inverter O2 SENSOR O2 sensor O2 sensor input EBT sensor EBT sensor input Y/Bu CKP sensor CKP sensor input Date Revised: March 2021 (PSV52522-S) EU-97 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 15 Connection Signal (function) number MAIN_U_M Generator (Master) Generator Master (U-phase input) MAIN_V_M Generator (Master) Generator Master (V-phase input) MAIN_W_M Generator (Master) Generator Master (W-phase input) EU-98 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 16 Voltage selector switch Sine wave output (–) AC1_S Voltage selector switch Sine wave output (+) AC1_M Receptacle Sine wave output (+) AC2_M Receptacle Sine wave output (–) Date Revised: March 2021 (PSV52522-S) EU-99 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 17 GCU internal Engine is stopped failure (RAM memory registry error) error is detected. Air/fuel ratio Programmed air/ Engine is stopped failure fuel ratio is not obtained. EU-100 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 18 2,400 rpm. AAT sensor (GCU AAT sensor in the Display only internal) failure GCU abnormality is detected. Date Revised: March 2021 (PSV52522-S) EU-101 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 19 O2 sensor circuit is detected. Fuel level sensor An open or short Display only failure circuit in fuel level sensor circuit is detected. EU-102 Date Revised: November 2021 (PSV52522-T) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 20 Replace or repair the wire harness. short circuit. COMBINATION SWITCH Br/Bu W/Bu Br/Bu 16 15 14 13 27 26 21 20 29 28 Br/Y Normal Go to the next page. Date Revised: March 2021 (PSV52522-S) EU-103 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 21 Perform the engine start procedure and check to see if an error code is displayed. If the same condition exists, replace the GCU and recheck. EU-104 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 22 Perform the engine start procedure and check to see if an error code is displayed. If the same condition exists, replace the GCU and recheck. Date Revised: March 2021 (PSV52522-S) EU-105 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 23 27 26 21 20 Bl/W Bl/W STATER MAGNETIC SWITCH Normal Abnormal Check the CKP sensor. Replace the CKP sensor. Normal Go to the next page. EU-106 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 24 Replace or repair the starter motor. Normal Abnormal Check the CKP sensor air gap. Adjust the CKP sensor air gap. Normal Go to the next page. Date Revised: March 2021 (PSV52522-S) EU-107 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 25 Turn the main switch ON and push the starter switch. Check to see if an error code is displayed. If the same error code occurs, replace the GCU and recheck. EU-108 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 26 Turn the main switch ON and push the starter switch. Check to see if an error code is displayed. If the same error code occurs, replace the GCU and recheck. Date Revised: March 2021 (PSV52522-S) EU-109 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 27 Perform the engine start procedure and check to see if an error code is displayed. If the same error code occurs, replace the GCU and recheck. EU-110 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 28 Perform the engine start procedure and check to see if an error code is displayed. If the same error code occurs, replace the GCU and recheck. Date Revised: March 2021 (PSV52522-S) EU-111 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 29 Perform the engine start procedure twice and check to see if an error code is displayed. If the same error code occurs, replace the GCU and recheck. EU-112 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 30 Check the wire harness between the generator and GCU for an open or short Abnormal Replace or repair the wire harness. circuit. Normal Go to the next page. Date Revised: March 2021 (PSV52522-S) EU-113 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 31 Perform the engine start procedure twice and check to see if an error code is displayed. Same error code displayed Replace the GCU and recheck. EU-114 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 32 Check the wire harness between the generator and GCU for an open or short Replace or repair the wire harness. circuit. Normal Go to the next page. Date Revised: March 2021 (PSV52522-S) EU-115 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 33 1. Perform the engine start procedure. 2. Check to see if an error code is displayed. If the same error code occurs, replace the GCU and recheck. EU-116 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 34: Throttle Valve

    Abnormal Check the O2 sensor (E-53). • Replace or repair the O2 sensor circuit. • Replace the O2 sensor Normal Go to the next page. Date Revised: March 2021 (PSV52522-S) EU-117 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 35 Call Techline before replacing the stator. Normal Normal Abnormal Check the inverter unit. Call Techline before replacing the inverter unit. Normal Normal Go to the next page. EU-118 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 36 Perform the engine start procedure and check to see if an error code is displayed. If the same error code occurs, replace the inverter unit and recheck. Call Techline before replacing the inverter. Date Revised: March 2021 (PSV52522-S) EU-119 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 37 Restart the engine and check to see if an error code is displayed in the error log mode. If the same error code occurs, replace the inverter unit and recheck. Call Techline before replacing the inverter. EU-120 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 38 2. Check to see if an error code is displayed. If the same error code occurs, replace the inverter unit . 3. Perform the engine start procedure. Date Revised: March 2021 (PSV52522-S) EU-121 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 39 Restart the engine and check to see if an error code is displayed in the error log mode. If the same error code occurs, replace the inverter unit and recheck. Call Techline before replacing the inverter. EU-122 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 40 Replace or repair the wire harness. short circuit. 4 3 2 1 14 13 16 15 29 28 27 26 21 20 Normal Go to the next page. Date Revised: March 2021 (PSV52522-S) EU-123 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 41 Start the engine and keep it running for more than 90 seconds. Do it three times and check to see if an error code is displayed. Same error code displayed Replace the GCU and recheck. EU-124 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 42 Start the engine. Check to see if an error code is displayed. Same error code displayed Turn the main switch OFF. Replace the GCU and recheck. Date Revised: November 2021 (PSV52522-T) EU-125 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 43 Starter motor turns at the main switch turned ON Between the connector No.7 and No.9 No continuity E-06 is displayed by engine starts Between the connector No.1, No.3 and No.5 No continuity EU-126 Date Revised: November 2021 (PSV52522-T) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 44: Stator Inspection

    N 2 - W 2 If all resistances are OK, replace or repair the generator wire harness. If the resistance is out of specification, replace the stator. Date Revised: March 2021 (PSV52522-S) EU-127 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

  • Page 45: Wiring Diagrams

    WIRING DIAGRAMS AT Type (non-GFCI duplex receptacles) EU-128 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 46 AT1 Type (GFCI duplex receptacles) Bl/G Y/Bu Y/Bl Bl/W Bl/Y Date Revised: March 2021 (PSV52522-S) EU-129 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 47 AT Type (non-GFCI duplex receptacles) EU-130 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 48 EU7000isAG (EEJD-1300001 ~ SUBSEQUENT) Date Revised: March 2021 (PSV52522-S) EU-131 © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...
  • Page 49 THIS PAGE INTENTIONALLY LEFT BLANK EU-132 Date Revised: March 2021 (PSV52522-S) © 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved...

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