Failure Investigation
for Electronic Parts
5 - 2
Error message list
Error display
F1
(5 - 17)
F2
(5 - 17)
F3
(5 - 18)
F4
(5 - 18)
F5
(5 - 19)
F7
(5 - 20)
F8
(5 - 20)
Cause
Abnormal rotation in main motor
Key pressed continually with power ON.
(performance system SW)
Key pressed continually with power ON.
(operation system SW)
FC disconnect
Dirty speed sensor
Speed VR disconnect
Power failure