Fanuc Alarm 1 (Internal Fan Failure)
Fanuc ALPHA i series servo amplifier module presenting as Fanuc alarm 1. Indicating a failure or problem with the internal fan fitted on a clipped plastic into the drive.
This alarm can present on 6114, 6117, 6124, 6127, 6240, 6290 servo amplifier from the ai series.
Accompanying system alarms are DS0608 and SV0444 which will force the machine into alarm condition and stop the drives from functioning beyond interfacing.
Alarm 1 should be present on SV (servo amplifier module) status display in the electrics cabinet.
Fault Finding alarm 1 on SV.
- Feel if the fan is blowing.
- Objects or dirt/contamination blocking the fan
- Check for objects stopping the fan or clean off the fan if crud present (could be a free fix).
- Reseat connections:
- Bad Fan connection
- Fan connector not seating properly
- Reseat the control pcb
- Replace the fan
- Part number starts with A90L-0001-0xxx#x or will have a NBT-MAT, SanAce WF series.
- None of the above replace drive
NOTE: Please make sure its a competent individual that has requisite training, knowledge, skills to work on powered CNC machine tool. Or contact your local CNC service engineer to inspect the Fanuc ALARM 1.
Click this link if you have Alarm F presented on the drive.
Fanuc Parts Specialist:
If your Fanuc control system alarms then we can help by assisting you with diagnosis and the supply of parts or repair of drives, motors and control system boards. Further we can build cables on order if required.
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