What does "spindle alarm code LED 4 and 1 lit" mean? I guess it is spindle alarm 5 but not mentioned on maunal. The LED's are on board of Fanuc AC spindle servo unit A06B-6044-H007 with Fanuc 3T control. There are 4 LED's on board marked 8,4,2 and 1 as alarm code indicator. The 4 and 1 will be on as soon as main switch is turned on.
Thanks for help.