GE AF-600 FP Design Manual page 169

2 = middle inverter module in 62 or 64 drive.
2 = right inverter module in 61 or 63 drive.
3 = right inverter module in 62 or 64 drive.
5 = rectifier module.
ALARM 248, Illegal power section configuration
This alarm is only for 6x unit size drives. 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 62 or 64 drive.
2 = right inverter module in 61 or 63 drive.
3 = right inverter module in 62 or 64 drive.
5 = rectifier module.
ALARM 250, New spare part
The power or switch mode power supply has been exchanged. The frequency
converter model number must be restored in the EEPROM. Remember to se-
lect 'Save to EEPROM' to complete.
ALARM 251, New model number
7
The frequency converter has a new model number.
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AF-600 FP Design Guide