Okuma Alarm-D 4862 Dual cycle start button interlock
The conditions for starting are not met (for loader dual-palm starting types).
Code
1->The rise time of the one START button was a second or more later than that of the other (for loader dual-palm starting types).
2->The fall time of the one START button was a second or more later than that of the other (for loader dual-palm starting types).
Measures to Take
Reset the loader or start again in the correct manner to recover.