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9. TROUBLESHOOTING
MELSEC-A
Content of
Speclel
CPU
Error Me••age
Reglater .
States
Error and Cause
Corrective Action
D9OO8
(BIN velue)
"OPERATION
50
Run
(1) The result of BCD conversion
Read the error step
by
use of per-
ERROR"
(Stop)
has exceeded the specified
ipheral device, and check and
(Checked at in-
range (9999 or 99999999).
correct the program at that step.
struction execu-
.(2) Setting has been performed ex-
• Device setting range
tion)
c'eeding the specified device
• BCD conversion value
range and operation cannot be
• Parameter setting for file
re-
performed.
gisterll
(3) File registers are used in the
• Station number designated
by
program without performing the
the [FROMfTOj instructions
capacity setting of file registers.
(4) Station designation of the
[FROMfTO] instructions
is·O
or
over
62.
"BATTERY
70
Run
(1) The battery voltage has ,e-
(1) Change the battery.
ERROR"
duced to less than the
epecl-
(2) When RAM or power failure com-
(CHecked con-
tied value.
pensation is used, connect the
tinuously (Not
(2) The battery lead is discon-
battery.
checked when
nected.
M9084 is on)
9-15
I

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