Mitsubishi FB13PNT, Quick Start Manual

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CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS CHAPTER 2 TROUBLESHOOTING FOR CONTROL CIRCUITS
(22) Replace DSP card of traction (22) Replace DSP card of traction
inverter (RH) inverter (RH)
Install all f Install all f uses an uses an d turning on d turning on
power power
If If fault (40) rem fault (40) rem ains ains
(14) Disconnect battery plug, then perform inverter discharging work (14) Disconnect battery plug, then perform inverter discharging work
(21) Disconnect battery plug, then perform inverter discharging work (21) Disconnect battery plug, then perform inverter discharging work
(23) Replace DSP card of traction (23) Replace DSP card of traction
inverter (LH) inverter (LH)
Install all f Install all f uses an uses an d turning on d turning on
power power
If fault (40) remains If fault (40) remains
(24) Replace DSP card of pump (24) Replace DSP card of pump
inverter inverter
Install all fuses and turning on Install all fuses and turning on
power power
If If fault (40) rem fault (40) rem ains ains
(26) Replace the DSP card with the (26) Replace the DSP card with the
original card again original card again
Then replace the traction inverter Then replace the traction inverter
(RH) (RH)
Please keep the DSP card which Please keep the DSP card which
is used for inspection is used for inspection
Because the card is normal Because the card is normal
(28) Replace the DSP card with the (28) Replace the DSP card with the
original card again original card again
Then replace the pump inverter Then replace the pump inverter
Please keep the DSP card which Please keep the DSP card which
is used for inspection is used for inspection
Because the card is normal Because the card is normal
(15) Remove DSP cover of all inverters and check DSP flat cable for looseness or wire breakage (15) Remove DSP cover of all inverters and check DSP flat cable for looseness or wire breakage
Normal Normal Abnormal Abnormal
(18) Measure voltage between P and N of traction (18) Measure voltage between P and N of traction (righ (righ t t and and left left ) ) ) ) and pump inverters (1 minute max and pump inverters (1 minute max
Traction Traction inverter inverter Pump Pump inverter inverter
N N o o r r m m a a l l ( (
Traction i Traction i nverter nverter
a a b b n n o o r r m m a a l l R R H H ) ) a a b b n n o o r r m m a a l l ( ( L L H H ) ) a a b b n n o o r r m m a a l l
(20) Check DC voltage of pump and traction inverters with monitor (20) Check DC voltage of pump and traction inverters with monitor
These values should be same as battery voltage These values should be same as battery voltage
Traction inverter value abnormal Traction inverter value abnormal (RH) (RH) Traction Traction inverter inverter value value abnormal abnormal (LH) (LH) Pump Pump inverter inverter value value abnormal abnormal
(17) Install the line f (17) Install the line f use, con use, con nect battery plug and tern on nect battery plug and tern on
(19) Replace power cable (19) Replace power cable
(16) Secure DSP flat cable if loose (16) Secure DSP flat cable if loose
Replace inverter if wire breaks Replace inverter if wire breaks
(25) Disconnect battery plug, then perform inverter discharging work (25) Disconnect battery plug, then perform inverter discharging work
(27) Replace the DSP card with the (27) Replace the DSP card with the
original card again original card again
Then replace the traction inverter Then replace the traction inverter
(LH) (LH)
Please keep the DSP card which Please keep the DSP card which
is used for inspection is used for inspection
Because the card is normal Because the card is normal