Mitsubishi FB13PNT, Quick Start Manual, Page: 94 / 292

2-7 2-7
502805 502805
CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
(13) Perform inverter discharging work (13) Perform inverter discharging work
(14) D (14) D isco isco nnect con nnect con nector E-15 nector E-15 of left of left traction motor traction motor
speed and thermal sensor speed and thermal sensor
Measur Measur e e resis resis tance tance between between E-1 E-1 5-2 5-2 and and E-15-1 E-15-1 at at
motor side motor side
2.2kΩ at 70°C (158°F) to 2.2kΩ at 70°C (158°F) to
82kΩ 82kΩ at at -20°C -20°C (-4°F (-4°F ) ) Out Out of of range range
Continuity Continuity No No continuity continuity
(18) D (18) D isconnect connec isconnect connec tor E-02 tor E-02 of logic unit of logic unit
Check continuity between E-02-5 and E-06-3(3) Check continuity between E-02-5 and E-06-3(3)
Check continuity between E-02-6 and E-06-4(4) Check continuity between E-02-6 and E-06-4(4)
Continuity Continuity No No continuity continuity
(19) Connect connector E-01, then turn on power again (19) Connect connector E-01, then turn on power again
(21) Measure voltage between E-06-18(10) and (21) Measure voltage between E-06-18(10) and
E-06-20(12) E-06-20(12)
Confirm value is 8V±2V Confirm value is 8V±2V
Normal Abnormal Normal Abnormal
(22) Disconnect battery plug (22) Disconnect battery plug
(16) Replace left traction motor (16) Replace left traction motor
(20) Repair or replace harness (20) Repair or replace harness
(24) Replace power supply card of logic unit (24) Replace power supply card of logic unit
(17) Check continuity between E-01-3 and E-06-17(10) (17) Check continuity between E-01-3 and E-06-17(10)
Check Check continuit continuit y between y between E-01-63 E-01-63 and E- and E- 06-20(12) 06-20(12)
Continuity Continuity No No continuity continuity
(15) Dis (15) Dis conne conne ct connector E-06 ct connector E-06 of lef of lef t t t t raction inver raction inver ter ter
Check continuity between E-06-1 and E-15-1(13) Check continuity between E-06-1 and E-15-1(13)
Check continuity between E-06-2 and E-15-2(14) Check continuity between E-06-2 and E-15-2(14)
Thermal Thermal
Power supply Power supply
CA CA N N
(26) Replace DSP card of (26) Replace DSP card of
left left traction inver traction inver ter ter
(23) (23)
Ensure all connectors are connected Ensure all connectors are connected
Then turn on power again Then turn on power again
The The latest latest data data is is "E1" "E1" Not Not "E1" "E1"
(27) Connect connector (27) Connect connector
securely securely
(25) D (25) D isco isco nnect battery nnect battery plug plug , t , t hen perfor hen perfor m m Inverter Inverter
disc disc harging harging work work