Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 23)

PC NC Maintenance Manual Chapter 4: Troubleshooting
4-2
• Timing of problem occurrence – when the power is turned ON, dur-
ing acceleration, during deceleration or during fixed speed spindle
rotation, etc.?
(b) Problems related to part program
Record the program block data, offset data, workpiece coordinate sys-
tem offset data, coordinate system setting data, etc.
Checking the NC Information
Aside from the specific problem, the following information must be
obtained regarding the hardware environment.
• Machine tool builder’s name
• Delivery date of machine tool
• Type and model name of the machine tool
• Type and model name of the NC and units
Example
Display of Alarm Information
If an alarm occurs, the top priority alarm number and alarm comment are
displayed in the normal display area disregarding the selected mode and
the screen.
NC unit YASNAC PC NC
Servo drive SGDC-AJA
Servo motor SGMG
Spindle drive CIMR-M5N20155
Spindle motor UAASKD-11HB11