CIRCLE M7 - Page 8

Document: Service Manual
Description: Treadmill
Model: M7 LED
Page: 8 of 60
8
2.7. Error message『9F』:Output power U-V-W inequality, check motor wires connect to inverter
certainly or replace motor.
2.8. Error message『OH』:The inverter over heat, wait for cooling down can re-start, but it
means the loading already too high, have to lubricate or replace running belt or deck.
2.9. Error message『OL』:The motor current overloads (over 110% few minutes), have to
replace the running belt or deck.
2.10. Error message『OL1』:The motor current overloads (over 150%), have to replace the
running belt or deck.
2.11. Error message『ntcF』:The thermo sensor abnormal, replace inverter.
2.12. Error message『LF』:The motor wires did not connect well.
2.13. Error message『dbuP』:The inverter dynamic brake system damaged, replace inverter.