Problem & answerG-01
Machine Will Not Start
Likely causes
- No power supply
- Emergency stop activated
- Safety door open
- Main circuit breaker tripped or fuse blown
- PLC fault or active alarm
- Motor overload relay tripped
- Start button or wiring faulty
How to fix it
- 1Verify the main power supply is on.
- 2Release the emergency stop.
- 3Close and secure all safety doors.
- 4Reset a tripped breaker; check and replace fuses (see H-02, H-03).
- 5Check PLC status and clear alarms.
- 6Reset the motor overload relay.
- 7Inspect the start button and wiring.
- 8Restart to the SOP; contact Maintenance if the fault remains.
It is fixed when
Machine starts normally without alarms.
Stop it coming back
- Daily pre-start inspection; check safety devices every shift; inspect panels monthly.
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