Yaskawa MP930 - Manual (Page 12)

Safety Precautions
xiii
J Maintenance Precautions
WARNING
D Make sure that the polarity of the Module’s built-in battery is correct. The battery must be installed
correctly and must not be charged, disassembled, heated, thrown into fire, or short-circuited.
Improper handling may cause the battery to explode or ignite.
Caution
D Do not attempt to disassemble or modify the MP930 Module in any way.
Doing so can cause fires, product failure, or malfunctions.
D The customer must not replace the built-in fuse.
If the customer replaces the built-in fuse, the MP930 Module may malfunction or break down.
The built-in fuse must always be replaced by Yaskawa service staff.
J General Precautions
Always note the following to ensure safe use.
D MP930 was not designed or manufactured for use in devices or systems directly related to human
life. Users who intend to use the product described in this manual for special purposes such as
devices or systems relating to transportation, medical, space aviation, atomic power control, or
underwater use must contact Yaskawa Electric Corporation beforehand.
D MP930 has been manufactured under strict quality control guidelines. However, if this product is to
be installed in any location in which a failure of MP930 involves a life and death situation or in a
facility where failure may cause a serious accident, safety devices MUST be installed to minimize
the likelihood of any accident.
D Drawings in this manual show typical product examples that may differ somewhat from the product
delivered.
D This manual may change without prior notice due to product improvements and specification
changes or for easier use. We will update the manual number of the manual and issue revisions
when changes are made. The revision number of the revised manual appears on the back of the
manual.
D Contact your nearest Yaskawa sales representative or the dealer from whom you purchased the
product and quote the manual number on the front page of the manual if you need to replace a
manual that was lost or destroyed.
D Contact your nearest Yaskawa sales representative or the dealer from whom you purchased the
product to order new nameplates whenever a nameplate becomes worn or damaged.
D Products modified by the customer are not covered by the Yaskawa warranty, nor does Yaskawa
assume any liability for injury or damage that may result from such modifications.