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.

573 alarms · sorted by code · page 1 of 29

01 ALARM — MOTOR OVERHEAT / INPUT CIRCUIT OVERCURRENT

02 ALARM — EXCESSIVE SPEED DEVIATION / COOLING FAN STOPPED

03 ALARM — DC LINK FUSE BLOWN / MAIN CIRCUIT OVERLOAD

04 ALARM — OPEN PHASE / POWER SUPPLY FAILURE

05 ALARM — DC LINK PRECHARGE FAILURE

06 ALARM — TEMPERATURE SENSOR / CONTROL VOLTAGE

07 ALARM — EXCESSIVE SPEED / DC LINK OVERVOLTAGE

08 ALARM — EXCESSIVE DECELERATION POWER / REGENERATIVE DISCHARGE

09 ALARM — MAIN CIRCUIT OVERLOAD / IPM OVERHEAT

10 ALARM — LOW POWER SUPPLY INPUT VOLTAGE

11 ALARM — DC LINK OVERVOLTAGE

12 ALARM — DC LINK OVERCURRENT / IPM ALARM

13 ALARM — CPU INTERNAL DATA MEMORY ERROR

14 SPINDLE ALARM — AMPLIFIER ID NOT REGISTERED

15 SPINDLE ALARM — OUTPUT/SPINDLE SWITCHING ALARM

16 ALARM — RAM ERROR

17 ALARM — AMPLIFIER ID DATA ERROR

18 ALARM — PROGRAM SUM CHECK ERROR

19 ALARM — PHASE U CURRENT DETECTOR CIRCUIT EXCESSIVE OFFSET

20 ALARM — PHASE V CURRENT DETECTOR CIRCUIT EXCESSIVE OFFSET