Chapter 5 Maintenance and Inspection
5-3
5.2.1 Tools Required for Inspection
A screwdriver
Industrial alcohol
A clean cotton cloth
5.2.2 Daily Inspection
Dirt must not be present.
2
Installation of a
backplane
Check whether the set screws
are loose.
The backplane must be
installed firmly.
Further tighten the screws.
Check whether the backplane is
installed on the DIN rail
Install the backplane on
the DIN rail properly.
3
Installation of a
module
Check whether the module is
loose, the projection is inserted
into the hole on the backplane,
and the screw is tightened.
The hook under the
module must be inserted
into the hole in the
backplane, and the screw
must be tightened.
Install the module firmly.
4 Connection
Check whether the removable
The removable terminal
Install the terminal block
Check whether the connector is
The connector should be
Further tighten the screws
5
Power
supply
module
POWER
LED
indicator
Check whether the POWER
LED indicator is ON.
The POWER LED
indicator must be ON.
Please refer to AH
Motion – Operation
Manual for more
information regarding
troubleshooting and error
logs.
CPU
module
RUN LED
indicator
When the CPU module is
running, check whether the
The RUN LED indicator
must be ON.
ERROR
LED
Check whether the ERROR
LED indicator is OFF.
must be OFF.
BUS
FAULT
LED
Check whether the BUS FAULT
LED indicator is OFF.
The BUS FAULT LED
indicator must be OFF.
SYSTEM
LED
Check whether the SYSTEM
LED indicator is OFF.
The SYSTEM LED
indicator must be OFF.
LED indicators on an
extension module
Check whether the LED
indicators on the extension
module are ON.
If the LED indicators are
ON, the module operates
normally.
* Please refer to AH500 Module Manual for more information related to the LED indicators on the extension modules.
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