YASKAWA MP920 User Manual page 9

Application
• Do not touch any Module terminals when the system power is ON.
There is a risk of electrical shock.
• Do not attempt to modify the MP920 programs, force outputs, switch between RUN and
STOP, or perform other similar operations while the MP920 is operating without know-
ing the direct and indirect consequences of the operation.
Incorrect programming or operation may damage the equipment or cause an accident.
Maintenance
• 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.
• Do not attempt to disassemble or modify the MP920 Modules in any way.
Doing so can cause fires, product failure, or malfunctions.
• The customer must not replace any built-in fuses.
If the customer replaces a built-in fuse, the MP920 Module may malfunction or break down.
The built-in fuse must always be replaced by Yaskawa service staff.
WARNING
CAUTION
WARNING
PROHIBITED
ix