12.1
Inspection Items
12-3
12.1.2 Regular Inspections
This section explains inspection items that must be performed once or twice every six months to one
year.
Inspections must also be performed when the equipment is relocated or modified or when the wiring
is changed.
• Do not replace the built-in fuse.
If the customer replaces the built-in fuse, the MP2300 may malfunction or break down.
Contact your Yaskawa representative.
PROHIBITED
Inspection Item Inspection Details Criteria Action
Operating
environment
Ambient temperature
Check the temperature and
humidity with a thermometer
and hygrometer, respectively.
Check for corrosive gases.
0°
C to
55°
C
If the MP2300 is used
inside a panel, treat the
temperature inside the panel
as the ambient temperature.
Ambient humidity
30% to 95%
Atmosphere
There must be no corrosive
gases.
Power supply
voltage check
PS Module
Measure the voltage between
24-VDC terminals.
19.2 to 28.8 VDC
Change the power supply as
necessary.
Installation
conditions
Looseness and excess
play
Attempt to move the Module.
The Module must be secured
properly.
Retighten the screws.
Dust and other foreign
matter
Visually check.
The Module must be free
from dust and other foreign
matter.
Clean.
Connection
conditions
Check the terminal
screws for looseness.
Check by retightening the
screws.
The screws must be tight. Retighten.
Gap between crimp
terminals
Visually check.
There must be an appropriate
gap between the terminals
Correct.
Looseness of
connectors
Visually check. The screws must be tight.
Retighten the connector set
screws.
Battery
Check the BAT indicator on
the front panel of the Basic
Module.
The BAT indicator must be
not lit.
If the BAT indicator is lit,
replace the battery.
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