- 301 – NORMAL STOP – Haas Lathe
- 302 – INVALID R IN G02 OR G03
- 303 – INVALID X,B OR Z IN G02 OR G03 – Haas Lathe
- 303 – INVALID X, Y OR Z IN G02 OR G03 – Haas Mill
- 304 – INVALID I,J OR K IN G02 OR G03
- 305 – INVALID Q IN CANNED CYCLE
- 306 – INVALID I,J,K, OR Q IN CANNED CYCLE
- 307 – SUBROUTINE NESTING TOO DEEP
- 308 – INVALID TOOL OFFSET – Haas Lathe
- 309 – EXCEEDED MAX FEEDRATE
- 310 – INVALID G CODE
- 311 – UNKNOWN CODE
- 312 – PROGRAM END
- 313 – NO P CODE IN M96, M97, M98, M143, M144, or G65
- 314 – SUBPROGRAM NOT IN MEMORY
- 315 – INVALID P CODE IN M97, M98 OR M99 – Haas Lathe
- 315 – INVALID P CODE IN M98, M97, M96, G47 OR G65 – Haas Mill
- 316 – X OVER TRAVEL RANGE
- 317 – Y OVER TRAVEL RANGE – Haas Lathe
- 317 – Y OVER TRAVEL RANGE – Haas Mill
- 318 – Z OVER TRAVEL RANGE
- 319 – A OVER TRAVEL RANGE
- 320 – NO FEED RATE
- 321 – AUTO OFF ALARM
- 322 – SUB PROG WITHOUT M99
- 323 – ATM CRC ERROR – Haas Mill
- 324 – DELAY TIME RANGE ERROR
- 325 – QUEUE FULL
- 326 – G04 WITHOUT P CODE
- 327 – NO LOOP FOR M CODE EXCEPT M97, 98
- 328 – INVALID TOOL NUMBER
- 329 – UNDEFINED M CODE
- 330 – UNDEFINED MACRO CALL
- 331 – RANGE ERROR
- 332 – H AND T NOT MATCHED – Haas Mill
- 333 – X AXIS DISABLED
- 334 – Y AXIS DISABLED – Haas Lathe
- 334 – Y AXIS DISABLED – Haas Mill
- 335 – Z AXIS DISABLED
- 336 – A AXIS DISABLED – Haas Lathe
- 336 – A AXIS DISABLED – Haas Mill
- 337 – GOTO OR P LINE NOT FOUND
- 338 – INVALID IJK AND XYZ IN G02 OR G03
- 339 – MULTIPLE CODES
- 340 – CUTTER COMP BEGIN WITH G02 OR G03
- 341 – CUTTER COMP END WITH G02 OR G03
- 342 – CUTTER COMP PATH TOO SMALL
- 343 – DISPLAY QUEUE RECORD FULL
- 344 – CUTTER COMP WITH G17 & G19 – Haas Lathe
- 344 – CUTTER COMP WITH G18 & G19 – Haas Mill
- 345 – INVALID R VALUE IN M19 OR G105 – Haas Lathe
- 346 – M CODE DISABLED – Haas Lathe
- 346 – M CODE DISABLED A – Haas Mill
- 348 – ILLEGAL SPIRAL MOTION – Haas Lathe
- 348 – MOTION NOT ALLOWED IN G93 MODE – Haas Mill
- 349 – PROG STOP WITHOUT CANCELING CUTTER COMP
- 350 – CUTTER COMP LOOK AHEAD ERROR
- 351 – INVALID P CODE
- 352 – AUX AXIS POWER OFF
- 353 – AUX AXIS NO HOME – Haas Lathe
- 353 – AUX AXIS NO HOME – Haas Mill
- 354 – AUX AXIS DISCONNECTED
- 355 – AUX AXIS POSITION MISMATCH
- 356 – AUX AXIS TRAVEL LIMIT
- 357 – AUX AXIS DISABLED
- 358 – MULTIPLE AUX AXIS
- 359 – INVALID I, J OR K IN G12 OR G13 – Haas Mill
- 360 – TOOL CHANGER DISABLED
- 361 – GEAR CHANGER DISABLED
- 362 – TOOL USAGE ALARM
- 363 – COOLANT LOCKED OFF
- 364 – NO CIRC INTERP AUX AXIS
- 365 – P DEFINITION ERROR
- 366 – MISSING I, K, OR L IN G70, G71, G72 – Haas Mill
- 367 – CUTTER COMP INTERFERENCE
- 368 – GROOVE TOO SMALL
- 369 – TOOL TOO BIG
- 370 – TAILSTOCK EXCESSIVE DRIFT – Haas Lathe
- 370 – POCKET DEFINITION ERROR – Haas Mill
- 371 – INVALID I, J, K OR Q
- 372 – TOOL CHANGE IN CANNED CYCLE
- 373 – INVALID CODE IN DNC
- 374 – MISSING XBZA IN G31 OR G36 – Haas Lathe
- 374 – MISSING XYZA IN G31 OR G36 – Haas Mill
- 375 – MISSING Z OR H IN G37 – Haas Mill
- 376 – NO CUTTER COMP IN SKIP
- 377 – NO SKIP IN GRAPH/SIM
- 378 – SKIP SIGNAL FOUND
- 379 – SKIP SIGNAL NOT FOUND
- 380 – X, Y, A OR G49 NOT ALLOWED IN G37
- 381 – G43,G44 NOT ALLOWED IN G36 OR G136
- 382 – D CODE REQUIRED IN G35
- 383 – INCH IS NOT SELECTED
- 384 – METRIC IS NOT SELECTED
- 385 – INVALID L, P, OR R CODE IN G10
- 386 – INVALID ADDRESS FORMAT
- 387 – CUTTER COMP NOT ALLOWED WITH G103
- 388 – CUTTER COMP NOT ALLOWED WITH G10
- 389 – G17, G18, G19 ILLEGAL IN G68
- 390 – NO SPINDLE SPEED
- 391 – FEATURE DISABLED
- 392 – B AXIS DISABLED – Haas Lathe
- 392 – B AXIS DISABLED – Haas Mill
- 393 – INVALID MOTION IN G84 OR G184 – Haas Lathe
- 393 – INVALID MOTION IN G74 OR G84 – Haas Mill
- 394 – B OVER TRAVEL RANGE – Haas Lathe
- 394 – B OVER TRAVEL RANGE – Haas Mill
- 395 – INVALID CODE IN CANNED CYCLE – Haas Lathe
- 395 – NO G107 ROTARY AXIS SPECIFIED – Haas Mill
- 396 – CONFLICTING AXES – Haas Lathe
- 396 – INVALID G107 ROTARY AXIS SPECIFIED – Haas Mill
- 397 – INVALID D CODE – Haas Lathe
- 397 – AUX AXIS IN G93 BLOCK – Haas Mill
- 398 – AUX AXIS SERVO OFF
- 399 – INVALID U CODE – Haas Lathe