C N C 4 2 2 0 M a c hi ne Too l Op e ra t ion an d Te st
91
1237
G76 screw thread fine processing circles
exceed 2000
Check and modify the program to reduce the circles
1238
G76 circle processing start is lower than
the end position of the screw thread
Please modify the start position of circle processing
1239
The arc radius exceeds allowable error
Check and modify the program
1240
G94 hasn’t specified axis X coordinates
Check and modify the program
1244
T code format error
Check and modify the program
1245
S code format error
Check and modify the program
1246
Exceed IO port number
Check and modify the program
1247
M88/M89 hasn’t specified port number
Check and modify the program
1248
G71 rough circle knife forward error
Check and modify the program
1249
G71, G72 or G73 profile description
contains incompatible G code or M code
Check and modify the program
1250
G72 rough circle knife forward error
Check and modify the program
1251
G73 axis X rough reserve volume is
negative
Check and modify the program
1252
G73 axis Z rough reserve volume is
negative
Check and modify the program
1253
G74- axis Z end isn’t specified or
movement is 0
Check and modify the program
1254
G74- axis Z knife forward is 0 or exceeds
allowable range
Check and modify the program
1255
G74- radial offset exceeds allowable
range
Check and modify the program
1256
G74- radial knife backward exceeds
allowable range
Check and modify the program
1257
G75 axis X end isn’t specified or
movement is 0
Check and modify the program
Alarm code
Content
Solution
1258
G75 - axis Z offset exceeds allowable
range
Check and modify the program
1259
G75 - radial knife forward is 0 or exceeds
allowable range
Check and modify the program
1260
G75 - axial knife backward exceeds
allowable range
Check and modify the program
1261
G76 minimum rough knife forward is 0
Check and modify the program
1262
G76 circle doesn’t specify the end
coordinates of screw thread
Check and modify the program
1263
G76 circle doesn’t specify the height of
screw thread
Check and modify the program
1264
G76 circle doesn’t specify the pitch of
screw thread
Check and modify the program
1265
G90, G92, G94 program error, R value
exceeds allowable range
Check and modify the program
1266
G28 instruction format error
Check and modify the program
1267
G7X start line number isn’t found
Check and modify the program
1268
G7X code format error or emergency stop
during motion
Check and modify the program
1270
G7X circle doesn’t support auxiliary
function
Check and modify the program
1271
The first program section of G7X profile
description is arc
Check and modify the program
1272
One program section doesn't support
multiple M codes
Check and modify the program
1273
G71 G72 G73 start position error
Check and modify the program
1274
G71 G72 fine allowance can’t exceed
rough knife forward
Check and modify the program
1275
Screw thread speed exceeds maximum Reduce the main axis rotation