Maintenance
69
Other maintenance actions
Transferring the memory unit to a new drive module
When a drive module is replaced, the parameter settings can be retained by
transferring the memory unit from the defective drive module to the new module.
WARNING! Do not remove or insert a memory unit when the drive module is
powered.
After power-up, the drive will scan the memory unit. If a different application program
or different parameter settings are detected, they are copied to the drive. This may
take a few moments; the LED display will read “L” while copying is in progress.
The 7-segment display on the JCU Control Unit
The following table describes the indications given by the 7-segment display on the
JCU Control Unit. Multi-character indications are displayed as repeated sequences
of characters.
Display Meaning
L Loading application program or data from the memory unit. This is the normal
display immediately after powering up the drive.
Normal operation – drive stopped.
(Rotating display) Normal operation – drive running.
“E” followed by
four-digit error code
System error.
9001, 9002 = Control unit hardware failure.
9003 = No memory unit connected.
9004 = Memory unit failure.
9007, 9008 = Loading of firmware from memory unit failed.
9009…9018 = Internal error.
9019 = Contents of memory unit corrupted.
9020 = Internal error.
9021 = Program versions of memory unit and drive incompatible.
9102…9108 = Internal error.
“A” followed by
four-digit error code
Alarm generated by the application program. For error codes, see the Firmware
Manual.
“F” followed by
four-digit error code
Fault generated by the application program. For error codes, see the Firmware
Manual.
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