Mitsubishi Electric MELSEC A Series User Manual page 123

Table 6.2 Error Code List for AnACPU (Continue)
Error
Error
Code
Massage
(D9008)
"MAIN CPU 60
DOWN"
"BATTERY 70
ERROR"
(Checked
at power
on.)
Detailed
Error CPU
Code States
(D9091)

STOP (1) The CPU
(2) Hardware failure.
602 (1) Failure in the power

Continu (1) Battery voltage has
e
(2) Battery lead
110
Error and Cause
malfunctioned due
to noise.
module, CPU
module, main base
unit or expansion
cable is detected.
lowered below
specified level.
connector is not
connected.
Corrective Action
(1) Take proper
countermeasures for
noise.
(2) Hardware failure.
(1) Replace the power
module, CPU
module, main base
unit or expansion
cable.
(1) Replace battery.
(2) If a RAM memory or
power failure
compensation
function is used,
connect the lead
connector.