YASKAWA JEPMC-MP2300-Y Series User Manual page 542

12 Maintenance and Inspection
12.1.1 Daily Inspections
12.1 Inspection Items
12.1.1 Daily Inspections
No. Inspection Item
Installation conditions of
1
Module, etc.
Connection conditions
2
RDY
RUN
ERR
Indicators
3
ALM
TX
BAT
12-2
This section summarizes daily and regular inspection items that must be performed by the
customer.
The following table lists the daily inspection items.
Inspection Details
Check the mounting screws for
looseness. Check whether the
covers are all in place.
Check the terminal screws for
looseness.
Check the connectors for
looseness.
Check the gap between crimp
terminals.
Check whether the indicator is
lit.
Check whether the indicator is lit
while the system is in RUN
state.
Check whether the indicator is
not lit.
Check whether the indicator is
not lit.
Check whether the indicator
lights during communication.
Check whether the indicator is
not lit.
Criteria
The screws and covers must be
secured correctly.
The screws must be tight.
The connectors must be tight.
There must be an appropriate
gap between the terminals.
The indicator must be lit. (It is
abnormal if the indicator is not
lit.)
The indicator must be lit. (It is
abnormal if the indicator is not
lit.)
The indicator must be not lit. (It
is abnormal if the indicator is
lit.)
The indicator must be not lit. (It
is abnormal if the indicator is
lit.)
The indicator must be lit. (It is
abnormal if the indicator is not
lit.)
The indicator must be not lit.
(The battery voltage is too low if
the indicator is lit.)
Action
Retighten the screws.
Retighten the screws.
Retighten the connector set screws.
Correct as necessary.
Refer to 12.3 Troubleshooting on
page 12-5.
Refer to 12.3 Troubleshooting on
page 12-5.
Refer to 12.3 Troubleshooting on
page 12-5.
Refer to 12.3 Troubleshooting on
page 12-5.
Refer to 12.3 Troubleshooting on
page 12-5.
Replace the battery.