Chapter 9 Maintenance And Inspection; Daily Inspection - Mitsubishi Electric MELSEC iQ-R Series User Manual

9
MAINTENANCE AND INSPECTION
This chapter describes the maintenance and inspection of the safety remote I/O module.
Read [Startup and Maintenance Precautions] in the safety precautions carefully before performing the
inspection, and observe the precautions.
9.1

Daily Inspection

The following table lists the items that must be inspected on a daily basis.
Item Inspection item
1 Connection status
2 LED status in PW LED
operation
RUN LED
MODE LED
ERR. LED
D LINK LED
SAFETY LED
I/O LED
L PW LED
L ER LED
LINK LED
Inspection method
Check for the looseness of
connecting plugs.
Check that the LED is on.
Check that the LED is on.
Check that the LED is on.
Check that the LED is off.
Check that the LED is on.
Check that the LED is on.
Check whether the LED is on,
flashing, or off.
Check that the LED is on.
Check that the LED is off.
Check whether the LED is on or
off.
Judgment criterion
The connecting plugs must not be
loose.
Green (The LED's off indicates an
error.)
Green (The LED's off indicates an
error.)
Green (The LED's flashing or off
indicates an error.)
Off (The LED's on (red) or flashing
(red) indicates an error.)
Green (The LED's off indicates an
error.)
Green (The LED's off indicates an
error.)
Green: Input/output ON
Off: Input/output OFF
(The LED's flashing indicates the
point where an error has occurred.)
Green (The LED's on (red) or off
indicates an error.)
Off (The LED's on indicates an
error.)
The LED's on (green) indicates link-
up performed.
The LED's off indicates link-up not
performed.
9 MAINTENANCE AND INSPECTION
Action
Make sure that the plugs are
securely connected.
Refer to the following and take
actions.
Page 79 Checking the LEDs
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9.1 Daily Inspection
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