Fuse Type:
Fast blow / quick blow (F)
Slow blow / timed delay (T)
If no F or T then assume fast blow
F1 spindle power 10A - RS No 488-8438
F2 24V power 3.15A - RS No 488-8517
F3 Nextstep Board 6.3A - RS No 488-8551
F4 Sprint Drive Board 16A - RS 420-230