Mitsubishi FR - S500 Instruction Manual page 153

Operation Panel Indication
Name
Description
Corrective action
Operation Panel Indication
Name
Description
Corrective action
Er2
Write-while-running error/mode designation error
Write was performed during operation.
An attempt was made to change the Pr. 79 setting to the
operation mode where the operation command has been input.
Write was performed in the external operation mode.
After stopping operation, make parameter setting.
After setting the operation mode to the "PU operation mode",
make parameter setting. (Refer to page 98)
Er3
Calibration error
Analog input bias and gain calibration values are too close.
Check the settings of C3, C4, C6 and C7 (calibration functions).
(Refer to page 74)
144
In PU/EXT Mode
FR-PU04
OPERATOR ERR
FR-PU04 Incr I/P
3