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EU-108

Date Revised: March 2021 (PSV52522-S)

© 1998-2021 American Honda Motor Co., Inc.—All Rights Reserved

EU M

o

dels

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. 

Replace or repair the wire harness.

Abnormal

Replace or repair the wire harness.

Abnormal

From the previous page.

5

3

1

20

3

5

1

5

3

1

1

1

2

3

6

R

W

Bu

R

W

Bu

Check the flywheel ring gear.

Replace the flywheel.

Abnormal

Normal

Normal

Normal

17

14 13

16 15

32

33

30

31

27 26

29 28

11

12

9

10

6 5

8 7

24

25

22

23

18

21 20

3

4

1

G/O

18

GCU

1

2

4 3

13

MAIN
SWITCH

Check the wire harness between the main switch and GCU for an open 
circuit.

Check the stator coil resistance 

(page EU-127)

.

Call Techline before replacing the 
stator.

Abnormal

Normal

Check the wire harness between the generator and GCU for an open or short 
circuit.

Содержание Eu7000is

Страница 1: ...NT Refer to the appropriate shop manual for troubleshooting techniques for the CO MINDERTM and wireless Bluetooth systems SYSTEM LOCATION EU 85 TERMINAL ARRANGEMENT EU 97 MECHANICAL TROUBLESHOOTING EU...

Страница 2: ...1 PSV52522 S 1998 2021 American Honda Motor Co Inc All Rights Reserved EU Models SYSTEM LOCATION O2 SENSOR GCU CKP SENSOR THROTTLE CONTROL MOTOR EBT SENSOR INVERTER UNIT AAT SENSOR GCU internal BARO S...

Страница 3: ...warrantable inverter generator repairs Important information to get from the customer Description of generator usage at the time of the failure Receptacles used Loads manufacturer model volts and amps...

Страница 4: ...CU did not change the recoil resistance disconnect the inverter and retest the recoil resistance d If disconnecting the inverter did not change the recoil resistance visually inspect the stator see pa...

Страница 5: ...caused the inverter to fail Test the stator see page EU 88 before contacting Techline or your DSM for further instruction GCU With the front cover and the control panel removed visually inspect the ci...

Страница 6: ...continuing Test the fuel pressure Remove the fuel feed hose from the hose clip Relieve the fuel pressure by disconnecting the injector side quick connect fitting Attach the fuel pressure gauge TOOL Fu...

Страница 7: ...r is ON ON Check the receptacles Check the circuit protectors Check the voltage selector switch Check the wiring from the inverter to the control panel 3 With a fully charged battery installed turn th...

Страница 8: ...he specified voltages at the locations shown 8 Terminals Specified Voltage Generator Test Points CONNECTOR 1 and 2 1 and 3 2 and 3 CONNECTOR 1 and 2 1 and 3 2 and 3 15 VAC or more 9 Measure the resist...

Страница 9: ...he generator must carry the rated Maximum output 120V 7 kVA 58 3 Amps 240V 7 kVA 29 1 Amps Rated output 120V 5 5 kVA 45 8 Amps 240V 5 5 kVA 22 9 Amps Call Techline Replace the GCU Reassemble then rete...

Страница 10: ...flashing an error code and turning on or flashing the overload indicator When an error code appears on the i Monitor troubleshoot using the error code index LAMP COLOR Content Signal Output indicator...

Страница 11: ...w the generator output the engine speed and the battery voltage in this sequence NORMAL DISPLAY MODE When you press the display button longer than 3 seconds while in the Engine run time hour mode the...

Страница 12: ...output in volt amperes VA for the incident in this sequence When END appears in this mode press the display button longer than 3 seconds to change the display back to the error log mode Inverter outpu...

Страница 13: ...u Bl W Bl W Br Bu G O W Bu G O Bl O W G O G O G O Br Y Bl Y G Bu W Bu MAIN_SW MAIN_SW STMAG 12V STMAG 12V STARTER SWITCH BARO SENSOR AAT SENSOR EBT SENSOR TH TH STARTER MOTOR THROTTLE CONTROL MOTOR i...

Страница 14: ...rol motor phase A output 15 R TH A Throttle control motor Throttle control motor phase A output 16 Bu TH B Throttle control motor Throttle control motor phase B output 17 Y TH B Throttle control motor...

Страница 15: ...DLC Dr H communication ground 2 Bu R TXD DLC Dr H communication transmit 3 Bu Y RXD DLC Dr H communication receive 4 Br W BAT_IN DLC Dr H communication power Terminal number Wire color Terminal mark C...

Страница 16: ...O W GND_GCU GCU Communication ground 4 Bu Y TXD_M GCU Generator Master signal transmit 5 Bu R RXD_M GCU Generator Master signal receive 6 R 5V_GCU GCU 5 V input voltage Bl Black Br Brown Y Yellow O O...

Страница 17: ...otor 1 When pushing the starter switch with main switch turned ON the starter motor is stopped Starter switch input failure Starter switch remains ON for more than specified period 1 Display only Abno...

Страница 18: ...nverter unit overheated protection activated FET device power module temperature in the inverter exceeds the specified value 1 After shutting down the AC output the engine is left running at 2 400 rpm...

Страница 19: ...normality is detected 1 Display only O2 sensor failure An open or short circuit in O2 sensor circuit is detected 3 Engine is stopped Fuel level sensor failure An open or short circuit in fuel level se...

Страница 20: ...TCH MAINSW1 MAINSW2 BAT ACC ON OFF BATTERY GCU Check the fuses Check the main switch Replace the fuse Replace the main switch Good Normal Abnormal Blown Replace or repair the wire harness Abnormal Nor...

Страница 21: ...2 1 10 5 3 Bl Y T3 9 4 3 2 1 6 7 8 5 10 4 9 8 7 6 3 2 1 10 5 17 14 13 16 15 32 33 30 31 27 26 29 28 11 12 9 10 6 5 8 7 24 25 22 23 18 21 20 3 4 1 3 18 G GCU G GND3 Bl Check the wire harness between t...

Страница 22: ...level Add the recommended oil to the proper level Abnormal Check the oil level switch Normal Replace the oil level switch Abnormal Normal Perform the engine start procedure and check to see if an err...

Страница 23: ...re harness Abnormal Bl Black Br Brown Y Yellow O Orange Bu Blue Lb Light blue G Green Lg Light green R Red P Pink W White Gr Gray Go to the next page 9 4 3 2 1 6 7 8 5 10 4 9 8 7 6 3 2 1 10 5 17 14 13...

Страница 24: ...tor Abnormal Normal Normal Go to the next page Replace or repair the wire harness Abnormal 17 14 13 16 15 32 33 30 31 27 26 29 28 11 12 9 10 6 5 8 7 24 25 22 23 18 21 20 3 4 1 Y Bu 18 GCU 4 8 7 6 5 3...

Страница 25: ...ss Abnormal From the previous page 5 3 1 20 3 5 1 5 3 1 1 1 2 3 6 R W Bu R W Bu Check the flywheel ring gear Replace the flywheel Abnormal Normal Normal Normal 17 14 13 16 15 32 33 30 31 27 26 29 28 1...

Страница 26: ...ge Bu Blue Lb Light blue G Green Lg Light green R Red P Pink W White Gr Gray Normal 17 14 13 16 15 32 33 30 31 27 26 29 28 11 12 9 10 6 5 8 7 24 25 22 23 18 21 20 3 4 1 Bl Y 18 GCU 1 2 STARTER SWITCH...

Страница 27: ...13 2 V with the engine OFF Replace the battery Abnormal Normal Replace the GCU and recheck Abnormal Perform the engine start procedure and check to see if an error code is displayed If the same error...

Страница 28: ...green R Red P Pink W White Gr Gray 32 27 18 Y R Y Bl Y R Y Bl Y R Y Bl 3 3 4 EBT SENSOR C7 C8 Bl Bl Y Bl Y R TH TH GCU Check the front cover for blockages in the cooling air passage Remove the blocka...

Страница 29: ...lace the throttle control motor Abnormal Normal 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 Replac...

Страница 30: ...3 1 20 R W Bu R W Bu R W Bu 1 5 3 1 1 2 3 U V W STATOR MASTER 6 R W Bu GCU Check the inverter unit Call Techline before replacing the inverter unit Abnormal Normal Replace or repair the wire harness A...

Страница 31: ...and recheck Replace the inverter unit Call Techline before replacing the inverter Perform the engine start procedure twice and check to see if an error code is displayed Not displayed Same error code...

Страница 32: ...l Normal Replace or repair the wire harness Abnormal Normal 5 3 1 20 3 5 1 5 3 1 1 1 2 3 6 R W Bu R W Bu Go to the next page U V W 5 3 1 20 R W Bu R W Bu R W Bu 1 5 3 1 1 2 3 U V W STATOR MASTER 6 R W...

Страница 33: ...tart procedure twice and check to see if an error code is displayed Not displayed Same error code displayed Normal Replace or repair the wire harness Abnormal Normal Check the control panel main wire...

Страница 34: ...inched or clogged Replace the fuel pump Abnormal Check the fuel pump pressure Normal Abnormal Check whether the fuel feed hose is leaking Check whether the fuel feed hose is pinched or clogged Check w...

Страница 35: ...TOR MASTER 6 R W Bu 22 24 23 30 25 26 18 3 G O R Bu R Bu Y O W G Bu G O R Bu R Bu Y O W G Bu R W Bu 5 3 2 1 1 2 3 U V W STATOR SLAVE 7 R W Bu GCU INVERTER UNIT MAIN_U_M MAIN_V_M MAIN_W_M MAIN_U_S MAIN...

Страница 36: ...unit Not displayed Same error code displayed Replace the GCU and recheck Bl Black Br Brown Y Yellow O Orange Bu Blue Lb Light blue G Green Lg Light green R Red P Pink W White Gr Gray Check the stator...

Страница 37: ...t and recheck Call Techline before replacing the inverter Check the control panel main wire harness for an open or short circuit Check the inverter unit inspection Call Techline before replacing the i...

Страница 38: ...error code is displayed If the same error code occurs replace the inverter unit and recheck Inverter unit internal failure FET open FET short Diode line short SCR short Inverter unit internal failure...

Страница 39: ...1 2 1 3 4 6 3 4 1 1 3 4 5 6 2 5 2 T8 T14 T16 T7 T9 T15 T17 T14 T19 T12 T13 T10 T11 T6 T5 T4 30A 20 20 30 R W Gr Bu Bu Bu R R Bu R W R Bu Bu R W Bu Bu Bu Bu Bu Gr Bu Gr R Bu R R W Bu R Bu Bu W W Bl Bla...

Страница 40: ...the engine running at normal operating temperature check to see if an error code is displayed If the same error code occurs replace the GCU and recheck O2 sensor failure 18 31 Bl Bl Bl 3 2 1 GCU O2 SE...

Страница 41: ...Reserved EU Models Replace the O2 sensor 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 Faulty original O2 sensor Replac...

Страница 42: ...k Br Brown Y Yellow O Orange Bu Blue Lb Light blue G Green Lg Light green R Red P Pink W White Gr Gray Normal Replace the fuel level sensor Turn the main switch OFF Start the engine Check to see if an...

Страница 43: ...n the connector No 1 No 3 and No 5 No continuity No spark at spark plug Between the connector No 3 and connector No 1 No continuity Between the connector No 1 No 3 and No 5 No continuity Push the star...

Страница 44: ...ors and according to the table below If the resistance is out of the specification check the stator coil resistance according to the table below If all resistances are OK replace or repair the generat...

Страница 45: ...21 2 3 GND1 GND2 5 7 6 1 3 2 1 3 2 3 1 2 2 1 3 4 6 3 4 1 1 3 5 3 1 2 1 30 25 26 22 24 23 14 15 17 16 33 28 31 32 27 18 21 13 1 4 7 8 9 5 10 12 11 6 3 20 29 2 1 4 2 1 4 3 2 1 3 4 2 1 8 6 2 5 1 3 4 5 6...

Страница 46: ...7 6 1 3 2 1 3 2 3 1 2 2 1 3 4 6 3 4 1 1 3 5 3 1 2 1 30 25 26 22 24 23 14 15 17 16 33 28 31 32 27 18 21 13 1 4 7 8 9 5 10 12 11 6 3 20 29 2 1 4 2 1 4 3 2 1 3 4 2 1 8 6 2 5 1 3 4 5 6 2 5 2 1 3 4 6 5 1...

Страница 47: ...ND1 GND2 5 7 6 1 3 2 1 3 2 3 1 2 2 1 3 4 6 3 4 1 1 3 5 3 1 2 1 30 25 26 22 24 23 14 15 17 16 33 28 31 32 27 18 21 13 1 4 7 8 9 5 10 12 11 6 3 20 29 2 1 4 2 1 4 3 2 1 3 4 2 1 8 6 2 5 1 3 4 5 6 2 5 2 1...

Страница 48: ...2 2 1 3 4 DC15V_1 N C CO LG 3 4 1 2 6 3 4 1 1 3 5 3 1 2 1 30 25 26 22 24 23 34 14 15 17 16 33 28 31 32 27 18 21 13 1 4 7 8 9 5 10 12 11 6 3 20 29 3 4 1 1 2 3 4 6 7 9 10 11 12 2 1 3 4 2 1 6 5 2 4 3 1 2...

Страница 49: ...EU 132 Date Revised March 2021 PSV52522 S 1998 2021 American Honda Motor Co Inc All Rights Reserved EU Models THIS PAGE INTENTIONALLY LEFT BLANK...

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