Hitachi model 50V500 Pink picture

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I have researched info on this probem, and found a fix, but I don't
understand how it is done. Here is what the tech wrote - "Record 12C
Buss settings, then "memory initi" and put back in the recorded data".
Is this done from a service menu? Anyone how to access it? I'll do
more searching for the fix procedure, but was hoping this group would
be able to help. I tried to download the service manual for free, but
the Hitachi website is now prompting me for a user name and password.
Anyone familiar with this problem? Thanks as always group.

 

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I just got to work and had time to check for responses here. Thanks to
all that replied. I did manage to find a little more info regarding
this, and it is done through the service menu, as Meat plow said. I
think I know how to get to the service menu also. I will post a follow
up with the menu code, and the fix Monday I hope.