8.1  Daily Inspections
 
8-2
8.1  Daily Inspections
The following table lists the daily inspection items.
No. Inspection Item Inspection Details Criteria Action
1
Installation conditions of
Module, etc.
Check the mounting screws for 
looseness. Check whether the 
covers are all in place.
The screws and covers must be 
secured correctly.
Retighten the screws.
2
Connection conditions
Check the terminal screws for 
looseness.
The screws must be tight. Retighten the screws.
Check the connectors for loose-
ness.
The connectors must be tight. Retighten the connector set screws.
Check the gap between crimp 
terminals.
There must be an appropriate 
gap between the terminals.
Correct as necessary.
3
LED
Indicators
RDY 
Check whether the indicator is 
lit.
The indicator must be lit. (It is 
abnormal if the indicator is not 
lit.)
Refer to Chapter 9  Troubleshoot-
ing.
RUN 
Check whether the indicator is lit 
while the system is in RUN 
state.
The indicator must be lit. (It is 
abnormal if the indicator is not 
lit.)
ERR 
Check whether the indicator is 
not lit.
The indicator must be not lit. (It 
is abnormal if the indicator is 
lit.)
ALM 
Check whether the indicator is 
not lit.
The indicator must be not lit. (It 
is abnormal if the indicator is 
lit.)
MTX 
Check whether the indicator 
lights during communication.
The indicator must be lit. (It is 
abnormal if the indicator is not 
lit.)
BAT 
Check whether the indicator is 
not lit.
The indicator must not be lit. 
(The battery voltage is too low if 
the indicator is lit.)
Replace the battery.