Checks / troubleshooting:
1. Check error history from "Test7: Record" of self-
diagnosis function.
2. Set the number of endurance running cycles to 50 or
more from "Life2: PF motor" of self-diagnosis function,
and check if "PF motor Timeout" occurs.
3. Check "Encoder: PF" from "Test5: Encoder" of self-
diagnosis function.
4. Check if MAIN Power Board normally supplies DC24V.
5. PF motor Assy may be defective.
6. MAIN board Assy may be defective.