Mitsubishi Electric FR-E700EX Instruction Manual page 273

Operation panel
UV
indication
Name
Undervoltage
If the power supply voltage of the drive unit decreases, the control circuit will not perform normal functions. In addition,
the motor torque will be insufficient and/or heat generation will increase. To prevent this, if the power supply voltage
Description
decreases below about 115VAC this function stops the drive unit output and displays
An alarm is reset when the voltage returns to normal.
Check point Check that the power supply voltage is normal.
Corrective
Check the power supply system equipment such as power supply.
action
Operation panel
EV
indication
Name 24V external power supply operation
Flickers while the main circuit power is not supplied and the 24V external power is supplied when FR-E7DS is
Description
mounted.
 Check if the 24V external power is supplied.
Check point  Check if the power supply for the drive unit (main circuit) is ON. Check if the power supply voltage is low.
 Check if the jumper between terminal P/+ and P1 is removed.
 Turn ON the power supply for the inverter (main circuit).
Corrective
 If appears by turning ON the power supply of the drive unit (main circuit) while the external 24V power is
action
supplied, check the power supply (for the main circuit).
 Check if the jumper is installed securely between terminal P/+ and P1.
........Specifications differ according to the date assembled. Refer to page 316 to check the SERIAL number.
Operation panel
LP
indication
Name
Stroke limit warning
When the forward rotation stroke end (LSP) or the reverse rotation stroke end (LSN) signal is assigned to an input
Description
terminal,
(Refer to page 101)
Check point Check if the LSP or LSN signal is turned OFF.
Corrective
Turn ON the LSP or LSN signal.
action
(3) Alarm
When an alarm occurs, the output is not shut off. You can also output an alarm signal by making parameter setting.(Set
"98" in any of Pr. 190 to Pr. 192 (output terminal function selection). Refer to page 144).
Operation panel
FN
indication
Name Fan alarm
For the drive unit that contains a cooling fan,
Description
alarm or different operation from the setting of Pr. 244 Cooling fan operation selection.
Check point Check the cooling fan for an alarm.
Corrective
Check for fan alarm. Please contact your sales representative.
action
FR-PU07
FR-PU07
FR-PU07
appears when the LSP or LSN signal is turned OFF and remains while the signal is in the OFF state.
FR-PU07
Causes and corrective actions
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——
——
FN
appears on the operation panel when the cooling fan stops due to an
.
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