Mitsubishi Electric FR-A700 EC, Instruction Manual

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Causes and corrective actions Troubleshooting
7 - 6
Operation Panel
Indication
Er4
Name Mode designation error
Description
You attempted to make parameter setting in the NET operation mode when Pr. 77 is not
"2".
Check point
1) Check that operation mode is "PU operation mode".
2) Check the Pr. 77 setting. (Refer to section 6.21.2.)
Corrective action
1) After setting the operation mode to the "PU operation mode", make parameter setting.
(Refer to section 6.21.2.)
2) After setting "2" in Pr. 72, make parameter setting.
Operation Panel
Indication
rE1
Name Parameter read error
Description
An error occurred in the E²PROM on the operation panel side during parameter copy
reading.
Check point —
Corrective action
앫
Make parameter copy again. (Refer to section 4.3.10).
앫
Check for an operation panel (FR-DU07) failure. Please contact your sales
representative.
Operation Panel
Indication
rE2
Name Parameter write error
Description
1) You attempted to perform parameter copy write during operation.
2) An error occurred in the E²PROM on the operation panel side during parameter copy
writing.
Check point Is the FWD or REV LED of the operation panel (FR-DU07) lit or flickering?
Corrective action
1) After stopping operation, make parameter copy again. (Refer to section 4.3.10.)
2) Check for an operation panel (FR-DU07) failure. Please contact your sales
representative.
Operation Panel
Indication
rE3
Name Parameter verification error
Description
1) Data on the operation panel side and inverter side are different.
2) An error occurred in the E²PROM on the operation panel side during parameter
verification.
Check point Check for the parameter setting of the source inverter and inverter to be verified.
Corrective action
1) Press the SET key to continue verification. Make parameter verification again. (Refer to
section 4.3.10).
2) Check for an operation panel (FR-DU07) failure. Please contact your sales
representative.