60 Unidrive M400 Quick Start Guide
Issue Number: 8
8 Diagnostics
Table 8-1 Trip indications
Users must not attempt to repair a drive if it is faulty, nor carry out fault diagnosis other
than through the use of the diagnostic features described in this chapter.
If a drive is faulty, it must be returned to the supplier of the drive for repair.
Trip code Condition Description
An Input 1 Loss
Analog input 1 current loss
Current loss was detected in current mode on Analog
input 1 (Terminal 2).
An Input 1 OI
Analog input 1 over-current Current input on analog input 1 exceeds 24 mA.
An Input 2 Loss
Analog input 2 current loss
Current loss was detected in current mode on Analog
input 2 (Terminal 5).
An Input 2 OI
Analog input 2 over-current Current input on analog input 2 exceeds 24 mA.
Autotune
Measured inertia has exceeded
the parameter range
The drive has tripped during a rotating autotune or
mechanical load measurement test.
Autotune Stopped
Autotune test stopped before
completion
The drive was prevented from completing an autotune
test, because either the drive enable or the drive run
signals were removed.
Brake R Too Hot
Braking resistor overload timed
out (I
2
t)
Braking resistor overload has timed out.
Card Access
NV Media Card Write fail Unable to access the NV Media Card.
Card Boot
The Menu 0 parameter
modification cannot be saved to
the NV Media Card
The necessary boot file has not been created on the NV
media card fitted to the drive to take the new parameter
value. This occurs when Parameter Cloning (00.030) is
changed to auto or boot mode, but the drive is not
subsequently reset.
Card Busy
NV Media Card cannot be
accessed as it is being accessed
by an option module
The Card Busy trip indicates that an attempt has been
made to access a file on NV Media Card, but the NV
Media Card is already being accessed by an option
module. No data is transferred.
Card Compare
NV Media Card file/data is
different to the one in the drive
Trip is initiated if the parameters on the NV Media Card
are different to the drive.
Card Data Exists
NV Media Card data location
already contains data
Attempt has been made to store data on a NV Media
Card in a data block which already contains data.
Card Drive Mode
NV Media Card parameter set
not compatible with current drive
mode
The drive mode in the data block on the NV Media Card
is different from the current drive mode.
Card Error
NV Media Card data structure
error
Attempt has been made to access the NV Media Card
but an error has been detected in the data structure on
the card. Resetting the trip will cause the drive to erase
and create the correct folder structure.
Card Full
NV Media Card full There is not enough space left on the card.
Card No Data
NV Media Card data not found
Attempt has been made to access non-existent file or
block on the NV Media Card.
Card Option
NV Media Card trip; option
modules installed are different
between source drive and
destination drive
The Card Option trip indicates that parameter data or
default difference data is being transferred from the NV
Media Card to the drive, but the option module category
is different between the source and destination drives.
Card Product
NV Media Card data blocks are
not compatible with the drive
derivative
If Drive Derivative is different between the source and
target drives. Refer to the Control User Guide.
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