Fluke 2620A Data Acquisition System Error 6 (NVRAM error)

Description

Fluke 2620A Data Acquisition System  Error 6
This unit comes from my company and was working for years, we didn't use it in the last yew months and now will display error 6
Comes with input  Module and manuals
Only problem is Error 6 when power applied, this is known issues of NVRAM lost battery power.
Because of this error will be sold for parts and repair