Bad NVOL CSum error

when the start 2704 we see the Bad NVOL CSum error code on the screen.

what is the reasen of this error.
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  • Jon (Official Rep) September 03, 2014 07:11
    Hello Halis,
    If you can acknowledge the error message and then check that the config is ok and then exit config this may restore the checksum value.

    If the above doesn't help - The error message may indicate that the battery that is used to retain parameter storage requires replacement. This needs to be done by a Eurotherm service centre and the best way to proceed will be to contact your local Eurotherm supplier for advice and contact information.
    Regards, Jon
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