Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 65)

PC NC Maintenance Manual Chapter 4: Troubleshooting
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AL-46 Control card tempera-
ture error (minor fault) Control card temperature exceeded +80 ºC. 0100 B
AL-47 Control card tempera-
ture error 2 Control card temperature exceeded +85 ºC. 0100 A
AL-60 Tuning incompletion
(minor fault)
Orientation command was inputted without tuning
drive. 0110 B
AL-61 C-phase signal detec-
tion defect.
C-phase signal was not able to be detected at tun-
ing. 0110 A
AL-62 C-phase signal width
defect
C-phase signal exceeded 100 pulses at tuning. 0110 A
AL-63 One revolution pulse
number error A pulse per one revolution exceeded 4096±1 at
tuning. 0110 A
AL-64 Position detection signal
disconnection
Encoder signal for position detection disconnec-
tion/improper connection 0110 A
AL-65 INC signal error (minor
fault) INC signal input timing error. 0110 B
AL-70 Tuning incompletion Orientation command was inputted without tuning
drive. 0111 B
AL-71 Magnetic sensor read-
ing detection defect Magnetic sensor signal voltage level does not
enter a proper value (at tuning). 0111 A
AL-73 One revolution pulse
number error Motor pulse per spindle speed exceeded ±6%. (at
tuning). 0111 A
AL-74 Magnetic sensor signal
disconnection Magnetic sensor signal conductor disconnection/
improper connection. 0111 A
AL-75 INC signal error INC signal input timing error. 0111 B
AL-80 YENET1200 communi-
cation error
Communication error between YENET1200 card
and NC units. A
AL-81 The position over-devia-
tion
Position deviation exceeded allowable range. A
AL-82 YENET1200 card ROM
defect YENET1200 card memory (PROM) is defective. S
AL-83 YENET1200 communi-
cation WDT error 1
WDT error between YENET1200 card and NC
units A
AL-84 YENET1200 communi-
cation WDT error 2
WDT error between YENET1200 card and control
cards A
AL-85 YENET1200 card NMI NMI was detected by the YENET1200 card. S
AL-86 YENET1200 card zero
division Division process/overflow error was detected by
the YENET1200 card. S
AL-87 Communication time-
out 1
The response to the communication command
between the YENET1200 card and control cards
does not return. A
AL-88 Communication time-
out 2
Internal processing time-out error of YENET1200
card. A
Table 4.18: Alarm Descriptions (Continued)