WARNING 78, Power unit setup:
The power unit setup warning indicates that the AFE detects
a different number of power units than what it is configured
for(14-59 Actual Number of Inverter Units) The AFE is not
allowed to run in this mode.
Troubleshooting:
When replacing an F-frame module, this will occur if the
power specific data in the module power card does not
match the rest of the frequency converter. Please confirm
the spare part and its power card are the correct part
number.
ALARM 79, Illegal power section configuration
The scaling card is the incorrect part number or not installed.
Also MK102 connector on the power card could not be
installed.
ALARM 80, Drive Initialised to Default Value:
Parameter settings are initialised to default setting after a
manual (three-finger) reset. Or a programmed reset().
ALARM 244, Heatsink temperature
This alarm is only for F Frame size units. It is equivalent to
Alarm 29. The report value in the alarm log indicates which
power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
ALARM 245, Heatsink sensor
This alarm is only for F Frame size units. It is equivalent to
Alarm 39. The report value in the alarm log indicates which
power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
ALARM 246, Power card supply
This alarm is only for F Frame size units. It is equivalent to
Alarm 46. The report value in the alarm log indicates which
power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
ALARM 247, Power card temperature
This alarm is only for F Frame size units. It is equivalent to
Alarm 69. The report value in the alarm log indicates which
power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
ALARM 248, Illegal power section configuration
This alarm is only for F Frame unit size. It is equivalent to
Alarm 79. The report value in the alarm log indicates which
power module generated the alarm:
1 = left most inverter module.
2 = middle inverter module in frame size F2 or F4.
2 = right inverter module in frame size F1 or F3.
3 = right inverter module in frame size F2 or F4.
5 = rectifier module.
ALARM 250, New Spare Part:
The power or Switch Mode Power Supply has been
exchanged. The AFE type code must be restored in the
EEPROM. Select the correct type code in 14-23 Typecode
Setting according to the label on unit. Remember to select
‘Save to EEPROM’ to complete.
ALARM 251, New Type Code:
The AFE has got a new type code.
How to Programme
VLT
®
Active Front End AFE 302 Operating Instructions Liebherr
58 MG.33.X2.02 - VLT
®
is a registered Danfoss trademark
55
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