My Daikin airconditioner failed to work when required last night. >
> Since I'm not about to pay a $88 callout fee and $88 per hour for some
> technician to replace a fuse, I took the cover off the external unit for
> a look see.
>
> Unfortunately, the fuses are intact, and there's nothing obviously wrong
> with the the circuit board, other than that it appears completely dead.
> It has an array of diagnostic diodes, or which one is meant to be
> flashing continously. There's a chart on an internal plastic cover that
> appears to be telling me that the board is faulty. My guess is that when
> the technician arrives he's going to tell me it needs replacing. >
> Now, I've said that there's nothing obviously wrong with it. That's
> perhaps overstating it. Here's a picture of part of it
>
>formatting link
> Note the obvious corrosion of the circuit tracks. The circuit board is
> inside the unit's box, but is otherwise totally unprotected from the
> elements and wildlife. Insects can crawl around the board, doing what
> insects do, and evidently have. I removed a dead spider and some of its
> web. There was also quite a lot of dirt before I blew it away.
>
> Now, this air conditioner has worked without fault for eight years or
> so, but it hasn't really been used that much - no more than a couple of
> weeks per year maximum. The state of the board may or may not be the
> cause of the failure, but surely a circuit board stuck outside should be
> better protected than this.
>
> So, before you buy a Daikin (or any other brand, I suppose) find out
> whether the circuit board is just expected to fend for itself in the > outside world.
>
> Sylvia.
>
>
There is a nice and knowledgable electronics guy in aus.electronics thay may be alble to help out with the circuit board.
His name is Phill Allison.