HOW TO REVIVE YOUR DEAD FISKER OCEAN 

IF THE FISKER OCEAN WON’T CHARGE BECAUSE HV BATTERY IS AT 0%:
1. Symptom is the HV battery is at 0%, and the light is red on charge port. The dash says fault, contact service.
2. Your charger won’t work on the HV port at this point.
3. You will need a 20 amp or BETTER 14 volt battery BOX from a hardware store. Any less (trickle, etc) will NOT WORK.
4. You will ALSO need a LVL 1 EVSE charger set to 8 amps,
5. Connect the 12v battery box 20amp+ to your 12v battery.
6. Reduce your LVL 1 EVSE to 8 amps.
7. Reduce your ocean charging to 8 amps.
8. If you have level 2 or 3 then let it rip at 32A, “but keep 12 support going until it’s steady and no alerts.”
9. Plug in your HIGH VOLTAGE battery charger with the reduced settings.
10. It should now charge. Let it get at least 20 miles and swap it over to a faster charger.
11. Once the main battery has 20 miles or better, disconnect 12v and go get it charged up as normal.
KEEP IT ABOVE 20% for best practice.
* In that particular situation at displayed 0% (it’s not actually empty there is a safety net), you want to maximize 12 support before trying to initiate HV charging. Let it charge up a bit while locked then unlock and charge HV if you have a Level 1 then limit the input to 8 amps on the screen to minimize charging errors. If you have level 2 or 3 then let it rip at 32A, but keep 12 support going until its steady and no alerts*
Another trick is to always keep the drivers seat buckled and if you exit the vehicle keep it in Neutral to ensure the vehicle stays in Ready mode and is supporting 12v. Anything less than 6% HV SOC will initiate a safe state and 12v support will taper off. If you exit the vehicle in park or lock the vehicle, the 12v will eventually die.
When a parked vehicle running 2.0+ has a dead 12v it’s almost always at 5% HV SOC.
The trick I mentioned will also keep the rear 110v outlet hot.
You can even close the door and keep the key in your pocket.
It will stay in Neutral and Ready until you open the door again.
If you’re still having issue charging let that 12v charge up for 30 min, then disable HV and disconnect 12v for a reset.
Enable HV then reconnect 12v, immediately start charging 12v again.
It will reset and see good voltage, should clear any errors keeping it from charging HV.
The car really likes 12v and a 2 amp maintainer isn’t going to help.
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