Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 67)

PC NC Maintenance Manual Chapter 4: Troubleshooting
4-46
AL-b0 Initial starting point tak-
ing-in (=incorporation)
error C-phase signal cannot be detected when initial
starting point taking-in after power supply is ON.
(IPM motor). 1011 A
AL-b1 Encoder pulse number
error Encoder pulses per one rotation exceeded ±10
pulses of a normal value (IPM motor). 1011 A
AL-b2 Low-speed winding
acceleration error Motor speed exceeded the low-speed winding
maximum speed by a low-speed winding. (IPM
motor). 1011 A
AL-d1 A/D converter for the
speed command defec-
tive A/D converter for the speed command of the I/O
card is defective. 1101 A
AL-d2 CPU integrated A/D
converter defect
CPU integrated A/D converter is defective. 1101 A
AL-d3 U phase A/D converter
defect A/D converter for the U phase current detection is
defective. 1101 A
AL-d4 W phase A/D converter
defect A/D converter for the W phase current detection is
defective. 1101 A
AL-d5 Control circuit I/O error
1 Data transmission error between CPUs [C196 side
detection] 1101 A
AL-d6 Control circuit I/O is
error 2 Data transmission error between CPUs [DSP side
detection] 1101 A
AL-d7 Control circuit I/O error
3 Data transmission error between CPUs [C196 side
detection at initialization]. 1101 S
AL-E0 Motor code selection
error Selected motor code (C1-25) and inverter capacity
(C1-56) don’t match. 1110 S
AL-E1 Motor code unregis-
tered Motor code setting in the C1-25 is not registered. 1110 S
AL-E2 Parameter set range
defect
Memory (EEPROM) data exceeded the upper and
lower limit value. 1110 S
AL-E3 Orientation card mis-
match Orientation selection bit and the orientation card do
not agree. 1110 A
AL-E4 Inverter capacity selec-
tion error Selected inverter capacity (C1-56) and unit don’t
match. 1110 S
AL-F0 ROM defect Memory (PROM) is defective. [Sum check error] 1111 A
AL-F1 EEPROM (EEPROM)
defect 1
Memory (EEPROM) is defective. [Verification error] 1111 S
AL-F2 EEPROM (EEPROM)
defect 2
Memory (EEPROM) is defective. [EEPRM initial-
ization code error] 1111 S
AL-F3 EEPROM (EEPROM)
defect 3
Memory (EEPROM) is defective. [BCC check
error] 1111 S
AL-F4 EEPROM (EEPROM)
defect 4
Memory (EEPROM) is defective. [defective write-in
at on-line mode]. 1111 A
CPF00 Control circuit error 1 5 seconds has past after power was turned ON,
inverter control card and operator transmission are
not consistent. ---- S
Table 4.18: Alarm Descriptions (Continued)