Maintenance; Precautions For Maintenance; Disposal Instructions - Mitsubishi Electric MELSEC Q Series User Manual

4 INSTALLATION, WIRING, START-UP, AND MAINTENANCE

4.5 Maintenance

4.5.1 Precautions for maintenance

Completely turn off the externally supplied power used in the system before clearing or tightening
the screws. Not doing so could result in electric shock.
Never try to disassemble or modify module. It may cause product failure, operation failure, injury or
fire.
Completely turn off the externally supplied power used in the system before installation or removing
the module. Not doing so could result in electric shock, damage to the module or operation failure.

4.5.2 Disposal instructions

This product is not designed or manufactured to be used in equipment or systems in situations
that can affect or endanger human life.
When considering this product for operation in special applications such as machinery or
systems used in passenger transportation, medical, aerospace, atomic power, electric power,
or submarine repeating applications, please contact your nearest Mitsubishi sales
representative.
Although this product was manufactured under conditions of strict quality control, you are
strongly advised to install safety devices to forestall serious accidents when it is used in
facilities where a breakdown in the product is likely to cause a serious accident.
The precautions for servicing are given below. Refer to this section as well as "4.1
Handling Precautions" when carrying out the work.
When you discard QD74MH, servo amplifier, a battery (primary battery) and other
option articles, please follow the law of each country (area).
DANGER
CAUTION
CAUTION
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