Mitsubishi RH-3SQHR3515 Instruction Manual page 5

CAUTION
Do not stop the robot or apply emergency stop by turning the robot controller's
main power OFF. If the robot controller main power is turned OFF during
automatic operation, the robot accuracy could be adversely affected. Moreover,
it may interfere with the peripheral device by drop or move by inertia of the arm.
CAUTION
Do not turn off the main power to the robot controller while rewriting the
internal information of the robot controller such as the program or parameters.
If the main power to the robot controller is turned off while in automatic
operation or rewriting the program or parameters, the internal information of the
robot controller may be damaged.
CAUTION
Use the network equipments (personal computer, USB hub, LAN hub, etc)
confirmed by manufacturer. The thing unsuitable for the FA environment
(related with conformity, temperature or noise) exists in the equipments
connected to USB, RS-232 or LAN. When using network equipment, measures
against the noise, such as measures against EMI and the addition of the ferrite
core, may be necessary. Please fully confirm the operation by customer.
Guarantee and maintenance of the equipment on the market (usual office
automation equipment) cannot be performed.