OPERATION PANELS A-9
4-2
Functions of Power Supply Switches
The switches used to turn the power on and off, and the switches related to the power supply, are
described here.
4-2-1
Main Switch
The main switch, located on the electrical cabinet door, is
used to turn the machine power supply on and off.
It also works as a non-fused circuit breaker.
The position and shape of the main switch may
differ according to the machine model and
specifications.
WARNING
When the main switch is locked with a
padlock it means that maintenance is
in progress, so do not place the main
switch in the
ON position.
Switch Position
Function
ON
Power is supplied to the machine when the main switch is placed in this position.
Do not place the main switch in the
ON
position while the primary
power is not supplied to the main switch.
If the main switch is placed in the
ON
position repeatedly although
the primary power is not supplied to the main switch, the main
switch will be damaged.
OFF
Power to the machine is turned off when the main switch is placed in this
position.
TRIP
The switch functions as a non-fused circuit breaker and returns to the center
position between and in the following cases.
1.
Power supply is automatically turned off due to overcurrent.
2.
Power supply is turned off by the automatic power supply shutoff function.
To turn on the machine power supply again, place the main switch in the
OFF
position, and then place it in the
ON
position.
OPEN RESET
When opening the electrical cabinet door, place the main switch in the
OPEN
RESET
position.
In order to open the electrical cabinet door, you must place the main
switch in the
OPEN RESET
position. If the main switch is at a
position other than
OPEN RESET
, it will not be possible to open the
door. Attempting to force the door open in this situation could cause
damage to the electrical cabinet door or the main switch.
NOTE
CAUTION
CAUTION
