Mitsubishi FB13PNT, Quick Start Manual

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CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
3.2 3.24 4 Tra Tracti ction M on Moto otor R.H r R.H., Pu ., Pulse I lse Inpu nput Fau t Fault (5 lt (52) 2)
Error code: 52 Error code: 52
Situation Situation
Display: "52". Traction motor operation inhibited. Pump motor and power steering operations inhibited if this Display: "52". Traction motor operation inhibited. Pump motor and power steering operations inhibited if this
fault occurs before pump contactor CLOSE, and both operable if it
fault occurs before pump contactor CLOSE, and both operable if it occurs after pump contactor CLOSE. Line occurs after pump contactor CLOSE. Line
contactor OPEN and pump contactor OPEN and pump contactor CLOSE or OPEN. contactor CLOSE or OPEN.
Possible Possible
cause
cause
Faulty contact of right side Faulty contact of right side traction inverter connector, faulty connection of right side traction motor connector traction inverter connector, faulty connection of right side traction motor connector
and cable, faulty 12V and cable, faulty 12V input voltage of right side traction inverter, faulty contact or input voltage of right side traction inverter, faulty contact or wire breakage of right side wire breakage of right side
traction motor speed sensor harness, faulty DSP card of traction motor speed sensor harness, faulty DSP card of right side traction inverter, faulty right side traction right side traction inverter, faulty right side traction
motor speed sensor. motor speed sensor.
Trigger of Trigger of
the error the error
code
code
Motor rotation speed is more than 6000 rpm. Motor rotation speed is more than 6000 rpm.
Checks Checks
(1) Disconnect battery plug, then perform inverter discharging work (1) Disconnect battery plug, then perform inverter discharging work
(4) Connect cables properly (4) Connect cables properly
(6) Fasten connector securely (6) Fasten connector securely
(8) Fasten connector securely (8) Fasten connector securely
(12) Repair or replace harness (12) Repair or replace harness
(2) Check to see if right traction motor cables (U, (2) Check to see if right traction motor cables (U, V and W V and W
phases) are connected to right traction inverter properly phases) are connected to right traction inverter properly
Normal Abnormal Normal Abnormal
(3) Ch (3) Ch eck to see if connector eck to see if connector E-0 E-0 7 7 of right t of right t rac rac tion tion
inverter is fastened securely inverter is fastened securely
Normal Abnormal Normal Abnormal
(5) Ch (5) Ch eck to see if connector eck to see if connector E-1 E-1 7 7 of right t of right t rac rac tion tion
motor speed sensor is fastened securely motor speed sensor is fastened securely
Normal Abnormal Normal Abnormal
Continuity Continuity No No continuity continuity
(9) Dis (9) Dis conne conne ct connector E-01 ct connector E-01 of logic unit of logic unit
Check continuity between E-01-3 and E-07-17(10) Check continuity between E-01-3 and E-07-17(10)
Check continuity between E-01-6 and E-07-20(12) Check continuity between E-01-6 and E-07-20(12)
Continuity Continuity No No continuity continuity
(10) Dis (10) Dis conn conn ect connec ect connec tor E-02 tor E-02 of logic unit of logic unit
Check continuity between E-02-5 and E-07-3(3) Check continuity between E-02-5 and E-07-3(3)
Check continuity between E-02-6 and E-07-4(4) Check continuity between E-02-6 and E-07-4(4)
Continuity Continuity No No continuity continuity
(11) C (11) C onnec onnec t connector E t connector E -01 -01 to logic unit, then t to logic unit, then t urn on urn on
power again power again
(7) D (7) D isconnect connectors E- isconnect connectors E- 07 07 and and E-17 E-17
Check continuity between E-07-5 and E-17-1(6) Check continuity between E-07-5 and E-17-1(6)
Check continuity between E-07-6 and E-17-2(7) Check continuity between E-07-6 and E-17-2(7)
Check continuity between E-07-7 and E-17-4(8) Check continuity between E-07-7 and E-17-4(8)
Check continuity between E-07-19 and E-17-3(5) Check continuity between E-07-19 and E-17-3(5)
Sensor Sensor
Power supply Power supply
CA CA N N
(13) M lt b t E 07 17(10) d (13) M lt b t E 07 17(10) d