jray3
Posts: 1585
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Not Charging. Main Inverter Fuse blown

Tue Jun 26, 2018 10:49 pm

Today I received that pesky 20A 400V fuse under the inverter inspection cover that pops when there is a charger OR DCDC fault. It is Mitsubishi part #9499A656. Thanks go out to Concord Mitsubishi of Concord, CA for shipping it directly to me. MR BEAN is back to 100%
2012 i-SE "MR BEAN" 96,000 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

PV1
Site Moderator
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Location: Pittsburgh, PA
Contact: Website

Re: Not Charging. Main Inverter Fuse blown

Wed Jun 27, 2018 10:39 am

KiEV, the main positive contactor won't engage until the condenser is at pack voltage. Since the condenser tops out 12 volts shy of pack voltage, the car errors and never connects the pack.

It appears that the condenser discharges really quickly after the flag was set, which may point to an undesired load somewhere in the system. In my experience, I usually hear a clunk 5 seconds after powering the car off, which I believe is the negative main contactor dropping out after condenser discharge is complete. This load would cause the condenser to not charge quickly enough given a fixed current source (the pre-charge resistor), so it times out before fully charging.

Lic, just to verify, is the fuse feeding the DC-DC converter blown?
:idea: :idea: :idea: :!: :!:

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Thanks.

Lic
Posts: 46
Joined: Mon Dec 28, 2015 2:11 pm
Location: Canada

Re: Not Charging. Main Inverter Fuse blown

Thu Jul 12, 2018 2:09 pm

PV1 wrote:
Lic, just to verify, is the fuse feeding the DC-DC converter blown?

No. If car starts - it is working fine. It takes charge, it drives well.

PeterJohn1
Posts: 1
Joined: Fri Oct 12, 2018 10:20 am

Re: Not Charging. Main Inverter Fuse blown

Fri Oct 12, 2018 10:52 am

Hi..i think it is really odd that it blows the fuse to the inverter while charging--i wouldn't have guessed that power was applied to the inverter at that time, can't see any reason why it would be needed or desired.

pcb assembly process
Last edited by PeterJohn1 on Thu Oct 25, 2018 12:59 pm, edited 1 time in total.

jray3
Posts: 1585
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Not Charging. Main Inverter Fuse blown

Fri Oct 12, 2018 3:19 pm

PeterJohn1 wrote:Hi..i think it is really odd that it blows the fuse to the inverter while charging--i wouldn't have guessed that power was applied to the inverter at that time, can't see any reason why it would be needed or desired.


That 20 amp fuse located in the inverter enclosure actually serves as both the charger output and the DC-DC input fuse.
2012 i-SE "MR BEAN" 96,000 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

Bjron
Posts: 19
Joined: Tue Nov 13, 2018 11:05 pm

Re: Not Charging. Main Inverter Fuse blown

Wed Nov 14, 2018 1:44 pm

I got p1a15 code when i was in Chdademo charger and started fast charge.. yea it wont let car to go Ready mode.

I reboted 12v battery there hope DTC to clear but nono.. instead when reset 12v battery i got about 15% more SOC and 15km more range. Even car didnt charge at all. Soc meter started with bar to bar more. So it did reset also

. Just wondering how it gived 15% more soc?
Do u think i might need ask maintenance just reprogram ECU to not get p1a15 active after every DTC clear?

Bjron
Posts: 19
Joined: Tue Nov 13, 2018 11:05 pm

Re: Not Charging. Main Inverter Fuse blown

Sat Nov 17, 2018 12:04 pm

Lic which Lauch x431 u have?

Is it this one.? https://www.amazon.com/Creader-Scanner- ... 4048118011


Nice price 29$ for model 3001

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