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301
Causes and corrective actions
Operation panel
indication
E.RET
FR-PU04
FR-PU07
Retry No Over
Name
Retry count excess
Description
If operation cannot be resumed properly within the number of retries set, this function trips the inverter.
This function is available only when
Pr. 67
Number of retries at fault occurrence
is set.
When the initial value (
Pr. 67
= "0") is set, this protective function is not available.
Check point
Find the cause of fault occurrence.
Corrective action
Eliminate the cause of the error preceding this error indication.
Operation panel
indication
E. 5
FR-PU04
FR-PU07
Fault 5
E. 6
Fault 6
E. 7
Fault 7
E.CPU
CPU Fault
Name
CPU fault
Description
Stops the inverter output if the communication fault of the built-in CPU occurs.
Check point
Check for devices producing excess electrical noises around the inverter.
Check if the terminal PC is shorted with the terminal SD. (E. 6/E. 7)
Corrective action
Take measures against noises if there are devices producing excess electrical noises around the inverter.
Check the connection between the terminals PC and SD. (E. 6/E. 7)
Please contact your sales representative.
Operation panel
indication
E.MB4 to 7
FR-PU04
FR-PU07
E.MB4 Fault to E.MB7 Fault
Name
Brake sequence fault
Description
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 is not available in the initial status.
Check point
Find the cause of alarm occurrence.
Corrective action
Check the set parameters and perform wiring properly.
Operation panel
indication
E.IOH
FR-PU04
Fault 14
FR-PU07
Inrush overheat
Name
Inrush current limit circuit fault
Description
Stops the inverter output when the resistor of inrush current limit circuit overheated. The inrush current limit circuit fault
Check point
Check that frequent power ON/OFF is not repeated.
Corrective action
Configure a circuit where frequent power ON/OFF is not repeated.
If the problem still persists after taking the above measure, please contact your sales representative.
Operation panel
indication
E.AIE
FR-PU04
Fault 14
FR-PU07
Analog in error
Name
Analog input fault
Description
Appears if voltage(current) is input to terminal 4 when the setting in
Pr.267 Terminal 4 input selection
and the setting of
voltage/current input switch are different.
Check point
Check the setting of
Pr. 267 Terminal 4 input selection
and voltage/current input switch.
Corrective action
Either give a frequency command by current input or set
Pr. 267 Terminal 4 input selection
, and voltage/current input
switch to voltage input.
Operation panel
indication
E.USB
FR-PU04
Fault 14
FR-PU07
USB comm error
Name
USB communication fault
Description
When communication has broken during the time set in
Pr. 548 USB communication check time interval
, this function
stops the inverter output.
Check point
Check the USB communication cable.
Corrective action
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.
to
Summary of Contents for FR-E710W-0.1K
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