YASKAWA JEPMC-MP2300-Y Series User Manual page 543

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.
Inspection Item
Ambient temperature
Operating Ambient humidity
environment
Atmosphere
Power supply
PS Module
voltage check
Looseness and excess
play
Installation
conditions
Dust and other foreign
matter
Check the terminal
screws for looseness.
Connection Gap between crimp
conditions terminals
Looseness of
connectors
Battery
PROHIBITED
Inspection Details
Check the temperature and
humidity with a thermometer
and hygrometer, respectively.
Check for corrosive gases.
Measure the voltage between
24-VDC terminals.
Attempt to move the Module.
Visually check.
Check by retightening the
screws.
Visually check.
Visually check.
Check the BAT indicator on
the front panel of the Basic
Module.
Criteria
0°C to 55°C
30% to 95%
There must be no corrosive
gases.
19.2 to 28.8 VDC
The Module must be secured
properly.
The Module must be free
from dust and other foreign
matter.
The screws must be tight.
There must be an appropriate
gap between the terminals
The screws must be tight.
The BAT indicator must be
not lit.
12.1 Inspection Items
Action
If the MP2300 is used
inside a panel, treat the
temperature inside the panel
as the ambient temperature.
Change the power supply as
necessary.
Retighten the screws.
Clean.
Retighten.
Correct.
Retighten the connector set
screws.
If the BAT indicator is lit,
replace the battery.
12-3