Alarm Indication Definitions And Corrective Actions - Mitsubishi Electric FR-V5NS Instruction Manual

9. ALARM INDICATION DEFINITIONS AND CORRECTIVE ACTIONS

This section provides the definitions of the alarm indications and their corrective actions.
(1) Faults
When any of the protective functions is activated, the inverter shuts off the output and outputs the corre-
sponding alarm.
When the protective function is activated, find the cause, and then refer to the inverter manual and reset
the inverter to resume operation.
Operation panel
indication
Name Option slot 3 alarm
• If communication shutoff occurs at the Pr. 499 "action selection at SSCNET communication interruption"
Description
setting of "1", this alarm is displayed and the inverter output is stopped. If a communication line alarm
occurs between the motion controller and plug-in option, the inverter output is stopped.
• Check for communication shutoff.
• Check that the plug-in option is connected to the connector securely.
Check point
• Check the communication cable for wire break.
• Check that the terminating resistor is set correctly.
• Check that the option card is normal.
• Recover communication from shutoff.
Corrective action
• Check the option function settings, etc.
• Connect the plug-in option securely.
Operation panel
indication
Name Option alarm
If poor contact etc. occurs at the connector between the inverter and communication option, the inverter out-
Description
put is stopped.
Check point
Check that the communication option is plugged into the connector securely.
• Connect the communication option securely.
Corrective action
• Contact your sales representative.
E.OP3
E. 3
FR-PU04V Option slot alarm 3
FR-PU04V Fault 3
25