Delta AH500 - D.2 Daily Maintenance; D.2.1 Tools Required for Inspection; D.2.2 Daily Inspection

Appendix D Maintenance and Inspection
D-3
D.2 Daily Maintenance
To keep an AH500 system operating normally, please make sure that the ambient environment and the AH500
system conform to the cautions listed in section 8.1. Users then can undertake the daily inspection described
below. If any abnormal situation occurs, please follow the remedy and carry out the maintenance.
D.2.1 Tools Required for Inspection
 A screwdriver
 Industrial alcohol
 A clean cotton cloth
D.2.2 Daily Inspection
No.
Item
Inspection
Criterion
Remedy
1 Appearance Check visually.
Dirt must not be
present.
Remove the dirt.
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 properly.
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 projection 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 terminal block
is loose.
The removable
terminal block must
not be loose.
Install the terminal
block firmly.
Check whether the
connector is loose.
The connector must
not be loose.
Further tighten the
screws on the
connector.
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
chapter 12 for
more information
about the
troubleshooting.
CPU
module
RUN LED
indicator
When the CPU module is
running, check whether
the RUN LED is ON.
The RUN LED
indicator must be ON.
ERROR LED
indicator
Check whether the
ERROR LED indicator is
OFF.
The ERROR LED
indicator must be OFF.
BUS FAULT
LED
indicator
Check whether the BUS
FAULT LED indicator is
OFF.
The BUS FAULT LED
indicator must be OFF.
SYSTEM
LED
indicator
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 Module Manual for more information related to the LED indicators on the extension modules.