Mitsubishi Electric FR-A820-00046 Instruction Manual page 1029

Appendix
Displaying and clearing the communication error count
The cumulative count of communication error occurrences can be displayed. Write "0" to clear this cu-
mulative count.
Pr.
501
Count timing depending on
Fig. A-2:
At the point of communication line error occurrence, Pr. 501 "Communication error occurrence count
display" is incremented by 1.
NOTE Communication error count is temporarily stored in the RAM memory. The error count is stored in
EEPROM only once per hour. If power reset or inverter reset is performed, Pr. 501 setting will be
the one that is last stored to EEPROM depending on the reset timing.
Error reset operation selection at inverter fault
An error reset command from the communication option can be invalidated in the External operation
mode or the PU operation mode.
Pr.
349
FR-A800
Name
Communication error occurrence
count display
communication line status
Communication error count
Name
Communication reset selection
For customers using HMS network options
Setting range
0
Normal Error Normal
Incremented by 1
Initial value Setting range Description
0
Minimum setting
Initial value
increments
1
Error
Incremented by 1
Error reset is enabled independently
0
of operation mode
Error reset is enabled only in the
1
network operation mode
0
I002852E
A - 45