The following alarm and error codes are for early FANUC Series, such as A06B-6044, A06B-6052, A06B-6055. Knowing your alarm code could help us provide you with the fast and precise evaluation for repair or exchange services.

Alarm Code	Description of Alarm/Error
1	Motor is overheated ( theromostat operates)
2	Speed is deviated from the command value due to overload and other.
3	Fuse 7 in DC link is blown out.
4	Fuses F1, F2, or F3 in AC input circuit are blown out.
5	Fuse AF2 or AF3 on PCB is blown out.
6	The motor speed exceeds the maximum rated speed( analog system detection).
7	The motor speed exceeds the maximum rated speed( digital system detection)
8	Power voltage ( +24V is higher than specified.
9	Radiator for power semiconductors is overheated.
10	+15V power voltage is abnormally low.
11	DC link voltage is abnormally high.
12	DC link current is flowing excessively.
13	CPU and peripheral parts are defective.
14	ROM is defective.
15	Option circuit is in trouble.
16	CPU defective.
17	NVRam issues.

Request a Free Consultation

Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC A06B-6044, A06B-6052, or A06B-6055 Series unit. Call 630-616-0039 or fill up a contact form.