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Causes And Corrective Actions - Mitsubishi Electric FR-XC-18.5K-PWM Instruction Manual

Fr-xc series multifunction regeneration converter
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Causes and corrective actions

4.4
Causes and corrective actions
Error message
A message regarding operational troubles on the operation panel is displayed. Output is not shut off.
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Corrective action
Operation panel
indication
Name
Description
Check point
Corrective action
134
PROTECTIVE FUNCTIONS
HOLD
Operation panel lock
Operation lock is set. Operation other than
Press
for 2 seconds to release the lock.
Er1
Write disable error
Parameter setting was attempted while Pr.77 Parameter write selection is set to disable parameter write.
Check the Pr.77 setting. (Refer to
rE1
Parameter read error
• A failure has occurred at EEPROM in the operation panel during reading of the parameter settings for
Parameter copy.
• Perform Parameter copy again. (Refer to
• The operation panel (FR-DU08) may be faulty. Contact your sales representative.
rE2
Parameter write error
• Parameter write from the operation panel to the multifunction regeneration converter was attempted for
Parameter copy during operation.
• A failure has occurred at EEPROM in the operation panel during writing of the parameter settings for
Parameter copy.
Check that the converter is stopped.
• After turning ON the SOF signal, perform Parameter copy again. (Refer to
• The operation panel (FR-DU08) may be faulty. Contact your sales representative.
rE3
Parameter verification error
• The data in the converter are different from the data in the operation panel.
• A failure has occurred at EEPROM in the operation panel during parameter verification.
Check the parameter setting of the source converter against the setting of the target converter.
• Continue the verification by pressing
• Perform the parameter verification again. (Refer to
• The operation panel (FR-DU08) may be faulty. Contact your sales representative.
rE4
Product series error
• The series of source converter for Parameter copy or the parameter verification is different from that of
target converter.
• The data in the operation panel are not correct for the parameter write from the operation panel to the
converter for Parameter copy or the parameter verification.
• Check that the source converter for Parameter copy or the parameter verification is in the same series as
the target converter.
• Check that Parameter copy was not interrupted by switching OFF the converter power or by disconnecting
the operation panel.
• Perform Parameter copy or the parameter verification between converters of the same series.
• Perform parameter read to and store in the operation panel from the inverter again.
is invalid. (Refer to
page
101.)
page
127.)
.
page
128.)
page
97.)
page
127.)

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