Alarm troubleshooting
1,997 real controller alarms with step-by-step diagnostic trees — filter by brand and unit, or type the code straight from your screen.
Alarm 0001 (TH ERROR) Diagnostic Tree
Fanuc·Series 0i1 step→0002Alarm 0002 (TV ERROR) Diagnostic Tree
Fanuc·Series 0i1 step→0003Alarm 0003 (TOO MANY DIGIT) Diagnostic Tree
Fanuc·Series 0i1 step→0004Alarm 0004 (INVALID BREAK POINT OF WORDS) Diagnostic Tree
Fanuc·Series 0i1 step→0005Alarm 0005 (NO DATA AFTER ADDRESS) Diagnostic Tree
Fanuc·Series 0i1 step→0006Alarm 0006 (ILLEGAL USE OF MINUS SIGN) Diagnostic Tree
Fanuc·Series 0i1 step→0007Alarm 0007 (ILLEGAL USE OF DECIMAL POINT) Diagnostic Tree
Fanuc·Series 0i1 step→0009Alarm 0009 (IMPROPER NC-ADDRESS) Diagnostic Tree
Fanuc·Series 0i1 step→001Alarm 001 (DATA ACCESS EXCEPTION) Diagnostic Tree
Fanuc·Series 0i / 30i1 step→0010Alarm 0010 (IMPROPER G-CODE) Diagnostic Tree
Fanuc·Series 0i1 step→0010Alarm 0010 (Insufficient voltage) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series4 steps→0011Alarm 0011 (NO FEEDRATE COMMANDED) Diagnostic Tree
Fanuc·Series 0i1 step→0011Alarm 0011 (Axis selection error) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series3 steps→0012Alarm 0012 (Memory error 1) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series3 steps→0013Alarm 0013 (Software processing error 1) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series2 steps→0014Alarm 0014 (Software processing error 2) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series2 steps→0015Alarm 0015 (TOO MANY AXES COMMANDED) Diagnostic Tree
Fanuc·Series 0i1 step→0015Alarm 0015 (Memory error 2) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series3 steps→0016Alarm 0016 (Magnet pole pos detect error) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series3 steps→0017Alarm 0017 (A/D converter error) Diagnostic Tree
Mitsubishi·M70/M700/M800/M80 Series2 steps→