
2. ALARM NUMBERS AND
BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02
- 110 -
Spindle alarm
Alarm
No.
SVM SPM PSM Description Remarks
OT300 A Program ROM error 3.4
OT300 A0 Program ROM error 3.4
OT300 A1 Program RAM error 3.4
OT300 A2 Program RAM error 3.4
OT300 A3 SPM control circuit clock error 3.4
OT300 A4 SRAM parity error 3.4
OT301 01 Motor overheat 3.4
OT302 02 Excessive velocity error 3.4
OT399 03 DC link fuse blown 3.4
OT399 04 06 Power supply failure 3.4
OT307 07 Overspeed 3.4
OT309 09 Main circuit overload 3.4
OT311 11 07 DC link overvoltage 3.4
OT312 12 DC link overcurrent/IPM alarm 3.4
OT300 13 CPU internal data memory failure 3.4
OT399 15 Speed range switching and spindle
switching alarm
3.4
OT300 16 RAM error 3.4
OT300 19 Phase U current detector circuit excessive
offset
3.4
OT300 20 Phase V current detector circuit excessive
offset
3.4
OT300 24 Serial transfer data error 3.4
OT300 25 Serial data transfer stopped 3.4
OT326 26 Cs contouring control velocity detection
signal disconnected
3.4
OT327 27 Position coder signal disconnected 3.4
OT328 28 Cs contouring control position detection
signal disconnected
3.4
OT329 29 Short-period overload 3.4
OT330 30 01 PSM main circuit overcurrent 3.4
OT331 31 Speed detection signal disconnected and
motor lock alarm
3.4
OT300 32 Serial communication LSI internal RAM
error
3.4
OT333 33 05 DC link precharge failure 3.4
OT334 34 Parameter data out of specification 3.4
OT335 35 Too large gear ratio specified 3.4
OT336 36 Error counter overflow 3.4
OT399 37 Speed detector parameter error 3.4
OT399 39 Cs contouring control one-rotation signal
detection error
3.4