OBC- 451EQ Brusa 22KW operation repair manual #080920236969

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This operation manual is a proprietary business secret that outlines the successful refurbishment process for On Board Charger system without destroying complete unit. By following the provided instruction steps, which include text, images, and videos, you will be fully equipped to repair the OBC effectively and efficiently

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Common causes:
  • Normal Tear&Wear every 30000km
  • Unstable grid voltage
  • Short circuit in the grid on other device
  • Overheat due empty and failed HVAC system
Errors:
  • P0DAA00,
  • P0D5700 ,
Part numbers:
  • A4519822221 ,
  • A4519822821 ,
  • A4519822621 ,
  • NLG664,
Tools needed (prepare it) :
  • Torx T20, T25,
  • 8mm ratchet
  • Full part list and links (available here)
  • Soldering iron and hot air gun
  • Desoldering station (Example SP-1010DR)
Repair operation steps
 1- Remove all T20 screews from upper cover
 2- Remove cover to reveal PCB board. Remove all T20 Torx bolts from PCB. Dont mix those bolts with bolts from cover. They are not same length
 3- Remove gently all 3 upper connectors

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 4- Remove upper processor board and then remove rest of the marked T20 bolts

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 5- Remove T25 torx hidden thru  PCB which holds IGBT's, and remove 4 pieces 8mm bolts

 6- Now tilt one side of Brusa charger so we can drop one droplet of glue on each IGBT metal holder. Metal holder moves freely when you try to lift PCB and the that metal will stuck somewhere and it is not possible to return it back into place again. That why we...
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