627
Description
Cause
What To
Do
628
Description
Cause
What
To
Do
BatteryRAMfai1ure:memorylost
The battery-backed
RAM
lost
data.
Either the
RAM
has failed, the battery is bad, or the
(DEL)
key was held down at power-up.
Check the battery voltage and replace if it
is
incorrect.
Non-volatileRAM read/writefailure
The controller detected a failure when comparing
data that was written to, and then from non-volatile
RAM.
This
is
a hardware failure between points on the
A3
board.
The
A3
board failure should be verified and the board
replaced.
5c-8 Service Error
Messages
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