Unidrive M100 / M101 Control User Guide
85
Issue Number: 1
EEF
Default parameters have been loaded
31
The
EEF
trip indicates that default parameters have been loaded. The exact cause/reason of the trip can be identified from
the sub-trip number.
The drive holds two banks of user save parameters and two banks of power down save parameters in non-volatile memory.
If the last bank of either set of parameters that was saved is corrupted a U.S or Pd.S trip is produced. If one of these trips
occurs the parameters values that were last saved successfully are used. It can take some time to save parameters when
requested by the user and if the power is removed from the drive during this process it is possible to corrupt the data in the
non-volatile memory.
If both banks of user save parameters or both banks of power down save parameters are corrupted or one of the other
conditions given in the table above occurs EEF.xxx trip is produced. If this trip occurs it is not possible to use the data that
has been saved previously, and so the drive will be loaded with default parameters. The trip can only be reset if Parameter
mm.000
(mm.000) is set to 10, 11, 1233 or 1244 or if Load Defaults (11.043) is set to a non-zero value.
Recommended actions:
•
Default the drive and perform a reset
•
Allow sufficient time to perform a save before the supply to the drive is removed
•
If the trip persists - return drive to supplier
Et
An External trip is initiated
6
An
Et
trip has occurred. The cause of the trip can be identified from the sub trip number displayed after the trip string. See
table below.
Recommended actions:
•
Check the value of Pr
10.032
.
•
Select ‘dest’ (or enter 12001) in Pr
mm.000
and check for a parameter controlling Pr
10.032
.
FAn.F
Fan fail
173
This trip cannot be reset until 10s after the trip was initiated.
Recommended actions:
•
Check that the fan is installed and connected correctly.
•
Check that the fan is not obstructed.
•
Contact the supplier of the drive to replace the fan.
Fi.Ch
File changed
247
Recommended action:
• Power cycle the drive.
FI.In
Firmware Incompatibility
237
The FI.In trip indicates that the user firmware is incompatible with the power firmware.
Recommended actions:
•
Contact the supplier of the drive.
HF01
Data processing error: CPU hardware fault
The
HF01
trip indicates that a CPU address error has occurred. This trip indicates that the control PCB on the drive has
failed.
Recommended actions:
•
Hardware fault – Contact the supplier of the drive
Trip
Diagnosis
Sub-trip
Reason
1
The most significant digit of the internal parameter database version number has changed
2
The CRC's applied to the parameter data stored in internal non-volatile memory indicate that a valid set
of parameters cannot be loaded
3
The drive mode restored from internal non-volatile memory is outside the allowed range for the product
or the derivative image does not allow the previous drive mode
4
The drive derivative image has changed
5
The power stage hardware has changed
6
Reserved
7
Reserved
8
The control board hardware has changed
9
The checksum on the non-parameter area of the EEPROM has failed
Sub-trip
Reason
3
External Trip
(10.032) = 1
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