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Internal LCD 1221 Error

Posted: 18 Dec 2011, 20:37
by Joep
Hello,

I got an old pearl 2000 here witch gives back the error 1221 at the motherboard LCD. I already reseated all the chips, the motherboard is a Boris 1.

What could the problem be ?

Posted: 19 Dec 2011, 20:28
by adamabcd
Have you checked the (non rechargeable) Lithium battery on the motherboard? It should measure 3V6.

Posted: 26 Dec 2011, 12:34
by Joep
The battery is dead.

I ordered a new one and will replace it.

Also got a reply from AVO with the possible chips the could be the problem, if i found the problem ill post it here.