Vacon NX - Page 73

Fault codes and software
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74
4
F40 Device unknown
F40 displayed.
Check
subcode.
Check programed
data
and correct it.
Did fault occur at
first power up after
a board replacement?
Entered EEPROM data
is not valid.
Replace the board with
corrupted EEPROM, if it can
not be reprogrammed.
EEPROM
corrupted.
NO
YES
NOTE:
Subfcode displayed:
1 = Control board
2 = Control unit
3 = Power board
4 = Power unit
5= Adapter board
A = Slot A
B = Slot B
C = Slot C
D = Slot D
E = Slot E
EEPROM data on a
board is invalid.
Did you program the
EEPROM or is it factory
preprogrammed?
EEPROM is not programed.
Program it according to valid
instructions.
NO
YES
FIGURE 33. Fault code F40