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Error
Code
2220
Error Contents and Cause
Corrective Action
[RESTORE ERROR]
• The device information (number of points)
backed up by the device data backup function is
different from that configured in the PLC
Parameter dialog box.
Perform a restoration per power-on and reset until
the number of device points is identical to the
value set in the PLC Parameter dialog box or until
the backup data are deleted.
■Collateral information
• Common information: File name/Drive name
• Individual information:■Diagnostic Timing
• At power-on/At reset
• Set the number of device points at the time of
backup to be identical to the device point value
set in the PLC Parameter dialog box. Then turn
on from off or reset the power supply.
• Delete the backed up data, turn the power
supply from off to on, and reset.
Corresponding
CPU
QnU
LCPU
2221
[RESTORE ERROR]
• The device information backuped by the device
data backup function is incomplete. (The power
may have been off or the CPU module may have
been reset during performing the backup.)
Do not return the data when this error occurs. Also,
delete the incomplete device information at the
time of this error occurrence.
■Collateral information
• Common information: File name/Drive name
• Individual information:■Diagnostic Timing
• At power-on/At reset
Reset the CPU module and run it again.
2225
[RESTORE ERROR]
The model name of the restoration destination
CPU module is different from the one of the
backup source CPU module.
■Collateral information
• Common information:• Individual information:■Diagnostic Timing
• At power-on/At reset
Execute a restore for the CPU module whose
name is same as the backup source CPU
module.
164
LED Status,
CPU Status
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
QnU*19
LCPU