Download  Print this page

Causes And Corrective Actions - Mitsubishi Electric FR-CS84-012 Instruction Manual

Freqrol-cs80.
Hide thumbs

Advertisement

6.5

Causes and corrective actions

 Error message
A message regarding operational troubles is displayed. Output is not shut off.
Operation panel
indication
Operation panel lock
Name
Description
Operation lock is set. Operation other than
Check point
Corrective action
Press
Operation panel
indication
Parameter locked
Name
Password function is active. Display and setting of parameters are restricted.
Description
Check point
Enter the password in Pr.297 Password lock/unlock to unlock the password function before the operation. (Refer
Corrective action
to
page
Operation panel
indication
Write disable error
Name
• Parameter setting was attempted while Pr.77 Parameter write selection is set to disable parameter write.
• Overlapping range has been set for the frequency jump.
Description
• Overlapping range has been set for the adjustable 3 points V/F.
• The PU and the inverter cannot make normal communication.
• Check the Pr.77 setting. (Refer to
• Check the settings of Pr.31 to Pr.36 (frequency jump). (Refer to
Check point
• Check the settings of Pr.100 to Pr.105 (adjustable 3 points V/F). (Refer to
• Check the connection of the PU and the inverter.
Operation panel
indication
Write error during operation
Name
Parameter write was attempted while Pr.77 Parameter write selection = "0".
Description
• Check that the inverter is stopped.
Check point
• After stopping the operation, make parameter setting.
Corrective action
• When setting Pr.77 = "2", parameter write is enabled during operation. (Refer to
Operation panel
indication
Calibration error
Name
Analog input bias and gain calibration values are set too close.
Description
Check point
Check the settings of the calibration parameters C3, C4, C6, and C7 (calibration functions). (Refer to
HOLD
for 2 seconds to release the lock.
LOCD
90.)
Er1
page
Er2
Er3
is invalid. (Refer to
page
--------------
--------------
89.)
page
118.)
88.)
page
195.)
page
89.)
page
134.)
6. PROTECTIVE FUNCTIONS
6.5 Causes and corrective actions
1
2
3
5
6
7
8
9
10
211

Advertisement

Table of Contents

   Related Manuals for Mitsubishi Electric FR-CS84-012

Comments to this Manuals

Symbols: 0
Latest comments: