Okuma Alarm-B 2401 MULTI CYCLE U(W) illegal order

Okuma Alarm-B 2401 MULTI CYCLE U(W) illegal order
In G71 thread cutting cycle, either W command is designated or the numerical value of U command is not: 0<=U<=99999.999In G72 thread cutting cycle, either a U command is designated or the numerical value of a W command is not:0<=W<=99999.999G71: Compound thread cutting cycle on side faceG72: Compound thread cutting cycle on end faceU, W: Finish allowanceObject
SYSTEM

Code
None->In G71, W command is designated, or in G72, U command is designated.
Others:Hexadecimal number of U (W) value

Probable Faulty Locations
Program error
Program Example:

N010 G71 X100 Z100 B60 D4 H5 W0.2 F5

Measures to Take
Check the U or W command value. Finish allowance is designated by a U command in the G71 mode and by a W command in the G72 mode. In the example program, a W command is used in the G71 mode–change the W command to the U command.

N010 G71 X100 Z100 B60 D4 H5 U0.2 F5