YASKAWA VS-626M5 Instruction Manual page 195

Table 12.2 Inverter Faults (continued)
Fault No. Name
CPU built-in
A/D Convert- CPU built-in A/D Converter error
er error
Phase U A/D
Phase U current detection A/D Con-
Converter er-
verter error
ror
Phase W A/D
Phase W current detection A/D
Converter er-
Converter error
ror
Control cir-
cuit I/O fault
1
Control cir-
Data transmission error between
cuit I/O fault
CPUs.
2
Control cir-
cuit I/O fault
3
Selected motor code (C1-25) does
Motor code
not match Inverter capacity
selection error
(C1-56).
Motor code Motor code set in C1-25 is not re-
unrecorded corded.
Constant set-
Memory (EEPROM) data exceeded
ting range er-
upper/lower limit.
ror
Orientation
Selected orientation bit does not
Card mis-
match Orientation Card.
match
Inverter ca-
Selected Inverter capacity (C1-56)
pacity selec-
does not match the Unit.
tion error
ROM error Memory (PROM) error
EEPROM er-
ror 1
EEPROM er-
ror 2
Memory (EEPROM) error Memory (EEPROM) error
EEPROM er-
ror 3
EEPROM er-
ror 4
Contents Corrective Actions
Replace the control PCB. Replace the control PCB
Check motor model, motor code
(C1-25), Inverter model, and In-
verter capacity selection (C1-56).
S Check motor model and motor
code (C1-25).
S Check setting list for correct
PROM version of motor code
(C1-25).
S Confirm
(C1-26) is within setting range.
S Check control constants.
S Replace the control PCB.
S Check Orientation Card model
and orientation selection signal
(bit 0 of C1-39).
S Replace the Orientation Card.
Check Inverter model and Invert-
er capacity selection (C1-56).
Replace the control PCB.
12 -11
12.3 Inverter Faults
Error Code
ffFf
ffFf
ffFf
ffFf
ffFf
ffFf
fffF
fffF
that rated speed
fffF
fffF
fffF
ffff
ffff
ffff
ffff
ffff
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