Oce OP33 Reference Manual page 29

IMPORTANT
•
Do not use the test button to turn the power ON and OFF.
•
If the breaker lever does not go to OFF (" " side), repeat step 1.
•
If the breaker lever does not go to OFF (" " side), despite carrying out the above procedure
two or three times, contact your service representative.
3
Once you have confirmed that the above operation takes place,
press the main power switch to OFF (
4
Move the breaker lever to ON ("I" side).
5
Press the main power switch to ON ("I" side).
xxvii Periodic Inspection of the Breaker
ON
OFF
( I side)
( side)
ON
( I side)
OFF
( side)
side).