Yaskawa PC NC - Manual (Page 169)

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YASNAC PCNC Operating Manual Chapter 4: Maintenance
(4) Alarm Nos.: 2101 to 2108 (P-SET Error)
The P-SET alarm occurs if the error between the position specified in the program and
the actual machine position is larger than the value set for parameterspm1321 (1st axis)
to pm 1325 (5th axis) in the following modes of operation.
At the completion of positioning in G00, G27, G28, G29, G30, etc., error detect ON (1/
O monitor parameter #3004 D4 = 1), and G04 (dwell).
If error pulses have been accumulated, check the number of accumulated pulses on the
Error Pulse Display Screen before contacting your Yaskawa representative.
(5) Alarm No.: 3000 (Servo Power Not Ready)
Table 4.1.5.4: Troubleshooting - Alarm No.: 3000 (Servo Power Not Ready)
CAUSE CHECK ITEM COUNTERMEASURES
Secondary power supply
is not applied
If the NC RESET switch, etc. is depressed
after depressing the POWER ON button once,
or after clearing the emergency stop or alarm
state, the alarm message is displayed. This
does not indicate the occurrence of alarm.
Press POWER ON
button again.
With the secondary power
ON, I/O input specification
the input is not turned ON.
(For the automatic servo power ON)
Check the following on the I/O monitor screen:
#3005 DO = 1 (SVON)
#3503 DO = 1 (SVONS)
Contact your Yaskawa
representative.
Emergency stop signal stays ON.
Check if alarm No. 3002 is displayed
(#3503 D4 = 1) on the screen.
Reset the emergency
stop input signal.
The secondary power ON signal
is turned OFF due to
some other alarm.
Check the alarm indication for other alarms.
Take appropriate measures
by referring to the alarm code.