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Original thread:
Post 9 made on Sunday July 12, 2009 at 16:22
ScottVE7QT
Lurking Member
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July 2009
1
I have just bought a 12RLS with the same controller. (AR-RAE2U) There must be a jumper somewhere that can be pulled so that it reverts to Celsius. There is a little wire visible when you remove the cover of the battery compartment. I'd like to know if that is the one BEFORE I start changing anything. I can't see anything in the manual or installation sheet. If I can find how to do the change, I'll post it.

ps Taa Daa!

I called Fujitsu and got the info . . .

You have to open the case.

Remove cover from battery compartment.
Take batteries out
Remove three small black screws
GENTLY pry open the case trying not to leave any marks
Remove four small black screws holding the circuit board
CAREFULLY lift the circuit board leaving the display in place
Don't touch the contacts between the cb and the display

Now comes the tricky part!

Locate a tiny jumper marked J5
This has to be snipped
(I called back to Fujitsu at this point just to be sure)
It looks like a tiny resistor but it is a simple metal conductor
It is too small for my snips to reach so I sawed through it with an X-acto knife
A scalpel would do the job
You have to be careful not to damage J3 in the next slot
There is nothing in the J6 slot on the other side

Put the cb back in place and reverse the disassembly process.
When you put the batteries back and switch on the display reads Celsius

Whew!

Last edited by ScottVE7QT on July 14, 2009 18:37.
VE7QT


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