Today at Atelier Kaz - ex-Honda R&D, F1, Indy/CART engineer

I have been focusing on writing lots and lots of documents and
in the back ground,
I started working on another CCU board.
The owner contacted me as he lost several controls through his CCU.

He had a quick look at the board and confirmed that there was just
a small leakage at C44 and told me that the rest of the board looked fine.



Well, I heard the same story more than 100 times so
when I received ...

Tags: a/c, air con, ccu, climate control unit

Categories

A/C CCU Board Service

I have now covered more than 100miles using my NSX with
the board that I serviced in 2009.
It’s been tested for many days now with no issues and
it passed the testing scenarios many times so I came to
a conclusion that there is nothing wrong with it.

The fan always stops whenever the ‘OFF’ button is pressed so
the reported issue is outside of CCU.





The other board that was repaired by someone ...

Tags: a/c, air con, ccu, climate control unit

Categories

A/C CCU Board Service

Apart from three capacitors,
rest of them had some sort of acid leakage and compared to other board,
the acid managed to penetrate through so deep into the board that
the repair task was quite difficult.

At some part of the board, the copper pad was completely dissolved and
missing so there was no way I could apply the soldering.






...

Tags: a/c, air con, ccu, climate control unit

Categories

A/C CCU Board Service

Another owner contacted me for his
Climate Control Unit (CCU) issue.
Recently, while he was driving, all of a sudden
he lost everything on the CCU display and immediately the
windshield misted up.















...

Tags: ccu, climate control unit

Categories

A/C CCU Board Service

Happy with the bench testing and after applying the conformal coating on
board A and B, it’s time to use my NSX to test both boards.










Using the same scenario ...

Tags: a/c, air con, ccu, climate control unit

Categories

A/C CCU Board Service