Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 533 / 608

Troubleshooting Causes and corrective actions
FR-E700 SC EC/ENE 7 - 5
Operation panel
indication
Er3
Name Calibration error
Description Analog input bias and gain calibration values are too close.
Corrective action Check the settings of C3, C4, C6 and C7 (calibration functions). (Refer to section 6.16.3.)
Operation panel
indication
Er4
Name Mode designation error
Description
1)You attempted to make parameter setting in the External or NET operation mode when Pr. 77 is
not "2".
2) You attempted to make parameter setting when the command source is not at the operation
panel.
Check point
1) Check that operation mode is "PU operation mode".
2) Check the Pr. 77 setting. (Refer to section 6.17.2.)
3) Check if FR Configurator (USB connector) or a parameter unit (FR-PU04/FR-PU07) is connected
when Pr. 551 = "9999 (initial setting)."
4) Check the Pr. 551 setting.
Corrective action
1) After setting the operation mode to the "PU operation mode", make parameter setting. (Refer
to section 6.17.2.)
2) After setting "2" in Pr. 72, make parameter setting.
3 Disconnect FR Configurator (USB connector) or the parameter unit (FR-PU04/FR-PU07), and
make parameter setting.
4) After setting Pr. 551 = "4", make parameter setting.
Operation panel
indication
Err.
Name Inverter reset
Description
1) Executing reset using RES signal, or reset command from communication or PU.
2) Displays at powering off.
Corrective action 1) Turn off the RES signal.