92
Table 6.1 Error Code List for AnNCPU (Continue)
Error
Message
Error
Code
(D9008)
CPU
States
Error and Cause
Corrective Action
"MAIN CPU
DOWN"
(Interrupt
fault)
AnNCPU
only
60 Stop
(1) INT instruction
processed in
microcomputer program
area.
(2) CPU malfunction due to
noise.
(3) Hardware error of CPU
module.
(1) Because the INT
instruction cannot be
used in the
microcomputer program,
remove it.
(2) Take measures against
noises.
(3) Replace the CPU
module.
"BATTERY
ERROR"
(Checked at
power-on)
70 Contin
ue
(1) The battery voltage has
dropped to below the
specified value.
(2) The lead connector of
the battery is not
connected.
(1) Replace battery.
(2) Connect the lead
connector if RAM
memory or power failure
compensation function
is used.
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