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(2) Operation Check
Before operating the equipment, check always if the device can work duly as
shown in the following procedure.
Turn the starter switch from STOP to RUN.
Turn (Push-up) the 3-P circuit breaker (lever) to ON position.
Push the test button. The device is found to be normal as the earth leakage
indication lamp turns ON and the 3-P circuit breaker positions in the middle of
ON and OFF.
Push the reset button. (The earth leakage indication lamp turns OFF.)
Turn (Push-down) the 3-P circuit breaker (lever) to OFF position.
Restore the switch to STOP once, when starting the engine.
z In the event you cannot complete all steps in the above procedure to the end,
the device is out of order. Consult with our authorized distributor or our
engineering section to repair.
(3) The Earth Leakage Relay has activated
Caution : Electric Shock / Injuries
Be sure to disconnect all the loads to the equipment when turning the breakers ON
again, after the earth leakage relay has activated.
When the earth leakage relay has activated, the earth leakage indication lamp
turns ON and also the 3-P circuit breaker (lever) trips to the middle of ON and OFF.
In the case, stop the engine promptly and find the leakage point to repair.
After repairing leakage point(s), proceed with the following restoration steps.
Push the reset button or stop the engine.
Restore (push-down) the 3-P circuit breaker (lever) to OFF position.
By the above procedures, you can reset the breaker to ON position.
<Caution>
When the breaker has tripped to the middle but the lamp does not turn ON
simultaneously, the cause to have tripped is OVER-LOAD or the output selector
switch is positioned to ECO. Restore as per the procedures No. 9-3 Operation.
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