User`s manual

Error code list Troubleshooting
MELSEC System Q, Hardware 11 – 47
2200
MISSING PARA.
There is no parameter file in the drive specified
as valid parameter drive by the DIP switches.
 Collateral information

Common Information: Drive name
 Individual Information: —
 Diagnostic Timing
At power ON/At reset/STOP → RUN
– Check and correct the valid parameter drive
settings made by the DIP switches.
– Set the parameter file to the drive specified as
valid parameter drive by the DIP switches.
OFF Flicker Stop Qn(H)
QnPH
QnPRH
MISSING PARA.
There is no parameter file at the program
memory.
 Collateral information

Common Information: Drive name
 Individual Information: —
 Diagnostic Timing
At power ON/At reset/STOP → RUN
– Set the parameter file to the program mem-
ory.
Q00J/Q00/Q01
MISSING PARA.
Parameter file does not exist in all drives where
parameters will be valid.
 Collateral information

Common Information: Drive name
 Individual Information: —
 Diagnostic Timing
At power ON/At reset/STOP → RUN
– Set a parameter file in a drive to be valid.
QnU
2210
BOOT ERROR
The contents of the boot file are incorrect.
 Collateral information

Common Information: Drive name
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
Check the boot setting.
OFF Flicker Stop Q00J/Q00/Q01
(Function
version is B or
later)
Qn(H)
QnPH
QnPRH
QnU
2211
BOOT ERROR
File formatting is failed at a boot.
 Collateral information

Common Information: Drive name
 Individual Information: —
 Diagnostic Timing
At power ON/ At reset
– Reboot.
– CPU module hardware fault.
Contact your local Mitsubishi representative.
OFF Flicker Stop Qn(H)
QnPRH
QnU
2220
RESTORE ERROR
The device information (number of points) back-
uped by the device data backup function is diffe-
rent from the number of device points of the PLC
parameter.
After this error occurred, perform restore per
power-on/reset until the number of device points
is identical to the number of device points in the
PLC parameter, or until the backup data is dele-
ted.
 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 the device point setting in [PLC
parameter]. Then, turn ON from OFF power
supply, or reset the CPU and cancel reset.
– Delete the backuped data, and turn ON from
OFF power supply, or reset the CPU and can-
cel reset.
OFF Flicker Stop QnU
Error
code
Error contents and cause Corrective action
LED status
CPU
status
Corre-
sponding
CPU
RUN ERR.
Tab. 11-4: Error code list (2000 to 2999) for PLC CPUs of MELSEC System Q