CNC Machine Control Manufacturer
Fanuc
Control Model
16/18/21, 16i/18i/21i, 160i/180i/210i, ,
448 - n AXIS : UNMATCHED FEEDBACK ALARM
Alarm Description
The sign of feedback data from the built-in pulse coder differs from that of feedback data from the separate detector.
Additional Suggestions & Alarm Clarification
Check all cable connections to encoder and drives. Disconnecting cables may loose axes home position. Check for coolant in plugs and encoder area.
Help Others
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