Don’t worry! This is a surprisingly common question with 4 very simple answer/solutions.
Top 4 reasons as to why your treadmill won’t start:
1. Treadmill is not receiving proper 230-240v
2. The lubrication fluid level is below operating point
3. Emergency stop knob has been activated / Safety Eye not seeing horse
4. Internal circuit breaker has tripped / Main power switch is in off position.