Korg AM8000R ( TIME OUT ERR )

[Bastianmore]

Hi i have a problem with my Korg AM8000R wen i do the test mode.
I get the message TIME OUT ERR .



Picture link:
https://www.instagram.com/p/B37NayDBz9D/


Test Mode:
KORG AM8000-R HOLD FX1 AND FX2 THEN POWER ON.

http://erha.se/~ronny/init/init.htm

Can any body help mi on advice please.

Kind regard
Thnx