Mitsubishi Electric FR-E700 Instruction Manual page 546

Causes and corrective actions
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Corrective action
NOTES If protective functions of E.ILF, E.PE2, E.IOH, E.AIE, E.USB or E.SAF are activated when using the
FR-PU04, "Fault 14" is displayed.
Also when the faults history is checked on the FR-PU04, the display is "E.14".
If faults other than the above appear, contact your sales representative.
7 - 18
E.USB
USB communication fault
When communication has broken during the time set in Pr. 548 "USB communication check time
interval", this function stops the inverter output.
Check the USB communication cable.
Check the Pr. 548 "USB communication check time interval" setting.
Check the USB communication cable.
Increase the Pr. 548 "USB communication check time interval" setting. Or, change the setting
to 9999. (Refer to section 6.19.8.)
E.MB4 to
to
E.MB7
Brake sequence fault
The inverter output is stopped when a sequence error occurs during use of the brake sequence
function (Pr. 278 to Pr. 283). This protective function does not function in the initial status. (Refer
to section 6.9.5.)
Find the cause of alarm occurrence.
Check the set parameters and perform wiring properly.
E.SAF
Safety circuit fault
Appears when safety circuit is malfunctioning.
Appears when one of the lines between S1 and PC, or between S2 and PC is opened.
Check if the shorting wire between S1 and PC or between S2 and PC is disconnected when
not using the safety stop function.
Check that the safety relay module or the connection has no fault when using the safety stop
function.
When not using the safety stop function, short across terminals S1 and PC and across S2 and
PC with shorting wire. (Refer to section 3.4.3).
When using the safety stop function, check that wiring of terminal S1, S2 and PC is correct
and the safety stop input signal source such as safety relay module is operating properly.
Refer to the Safety stop function instruction manual (BCN-A211508-004) for causes and
countermeasures.
E.13
Internal circuit fault
Stop the inverter output when an internal circuit fault occurred.
Please contact your sales representative.
FR-PU04 Fault 14
FR-PU07 USB comm error
FR-PU04
E.MB4 Fault to E.MB7 Fault
FR-PU07
FR-PU04 Fault 14
FR-PU07 Fault E.SAF
FR-PU04
Fault 13
FR-PU07
Troubleshooting