6. Troubleshooting 6-7
Table 6.3 Fault display and contents (Communication fault)
Code
Meaning
Cause
Corrective action
FMT
Abnormal
Format.
Input command is
different from the
normal format.
• The communications
command arrangement
is different from the
reguration protocol.
SUM
Check Sum
Error.
Part of the information
has been changed
during transmission.
• The error caused by
noise, etc occurred to
the data on
communication.
MEM
Memory Fault.
Error in the EEPROM
parameter
• An error occurred in
the EEPROM.
WRE
Rejection in
Running.
Modification of the
unchangeable parameter
during running was
rejected.
• This command can
not be used in running..
EEP
EEPROM Busy.
Operation is being input
on EEPROM. (Other
input command is
ignored)
• EEPROM is operating
at present.
MOD
Invalid
Frequency /Run
command mode.
Remote mode is not
selected.
• Invalid command in
this mode.
Set the
appropriate
mode.
Refer to B0.02.
6-8
MOSCON-E7 User’s Manual
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