11 LED Indicator on Circuit Board
11-1
11 LED Indicator on Circuit Board
Before the check of a LED indications
In principle, the door must not be opened to prevent electric shock while
power is on. However, it is required to open the door to check the LED
display for maintenance. Special attention needed to open the door.
<How to Open and Close the Door>
• To perform this operation, it is required to open the door of the
control box while power is on.
• A heavy current (AC200V) flows inside the control box. Do not touch
the internal unit.
Failure to observe this warning may result in electric shock.
• Close the door as soon as the maintenance work such as LED
check is completed.
Failure to observe this warning may result in electric shock.
• Close the door as soon as the maintenance work such as LED
check is completed.
Failure to observe this warning may result in electric shock.
release section
< Excerpt from information materials of manufacturers >
Door Lock Mechanism
The door of the control box can be opened at the OFF position.
The door of the control box cannot be opened at the ON or trip
position because it is locked at these positions.
However, pressing the release section
in the arrow direction with a tool
(3mm wide, 1.8mm thick)
makes it possible to open the door
locked at the ON or trip position.
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