Mitsubishi Electric MELSEC iQ-F Series - Page 241

10 TROUBLESHOOTING
10.5 List of Error Codes
239
10
D629H Parameter error (station number range error) • Write the network parameter to the CPU module again.
• Execute again after correcting the station number in the setting
data so it is within 1 to 120.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D62AH Parameter error (data link faulty station setting
error)
• Write the network parameter to the CPU module again.
• Execute again after correcting the data link faulty station setting.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D62BH Parameter error (output setting error during CPU
STOP)
• Write the network parameter to the CPU module again.
• Execute again after correcting the output settings during CPU
STOP.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D630H System error Please consult your local Mitsubishi representative. 
D637H The UINI instruction was executed at a station
where the station number/IP address has been
already set by parameter.
Execute again after setting "Station No./IP Address Setting Method"
under "Station No./IP Address Setting" in "Required Settings" to
"Program".

D639H After setting a station number/IP address with the
UINI instruction, the instruction was executed
again.
Station number/IP address setting with the UINI instruction is limited
to one time only. Reset the CPU module, and retry the operation.

D641H Parameter error (IP address error) • Write the network parameter to the CPU module again.
• Execute again after correcting the IP address in the setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D642H Parameter error (gateway address setting) • Write the network parameter to the CPU module again.
• Execute again after correcting the gateway address setting in the
setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D643H Parameter error (communication cycle setting) • Write the network parameter to the CPU module again.
• Execute again after correcting the communication cycle setting in
the setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D644H Parameter error (cyclic transmission time setting) • Write the network parameter to the CPU module again.
• Execute again after correcting the cyclic transmission time in the
setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D645H Parameter error (transient transmission time
setting)
• Write the network parameter to the CPU module again.
• Execute again after correcting the communication cycle setting or
cyclic transmission time in the setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D646H Parameter error (transmission path setting) • Write the network parameter to the CPU module again.
• Execute again after correcting the transmission path setting in the
setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D647H Parameter error (time synchronization setting) • Write the network parameter to the CPU module again.
• Execute again after correcting the time synchronization setting in
the setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

D648H System error Please consult your local Mitsubishi representative. 
D649H Parameter error (send timeslot setting) • Write the network parameter to the CPU module again.
• Execute again after correcting the send timeslot setting in the
setting data.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.

Error
code
Error definition and causes Action Detailed
information 1
Detailed
information 2