Daily Maintenance; Tools Required For Inspection; Daily Inspection - Delta AH500 Hardware Operation Manual

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
1 Appearance
Installation of a
2
backplane
3 Installation of a module
4 Connection
Power POWER
supply LED
module indicator
RUN LED
indicator
ERROR LED
indicator
CPU
5
module BUS FAULT
LED
indicator
SYSTEM
LED
indicator
LED indicators on an
extension module
* Please refer to Module Manual for more information related to the LED indicators on the extension modules.
A p p e n d i x D M a i n t e n a n c e a n d I n s p e c t i o n
Inspection
Check visually.
Check whether the set
screws are loose.
Check whether the
backplane is installed on
the DIN rail properly.
Check whether the
module is loose, the
projection is inserted into
the hole on the backplane,
and the screw is
tightened.
Check whether the
removable terminal block
is loose.
Check whether the
connector is loose.
Check whether the
POWER LED indicator is
ON.
When the CPU module is
running, check whether
the RUN LED is ON.
Check whether the
ERROR LED indicator is
OFF.
Check whether the BUS
FAULT LED indicator is
OFF.
Check whether the
SYSTEM LED indicator is
OFF.
Check whether the LED
indicators on the
extension module are ON.
Criterion
Dirt must not be
Remove the dirt.
present.
Further tighten the
screws.
The backplane must
Install the
be installed firmly.
backplane on the
DIN rail properly.
The projection under
the module must be
inserted into the hole Install the module
in the backplane, and firmly.
the screw must be
tightened.
The removable
Install the terminal
terminal block must
block firmly.
not be loose.
Further tighten the
The connector must
screws on the
not be loose.
connector.
The POWER LED
indicator must be ON.
The RUN LED
indicator must be ON.
The ERROR LED
Please refer to
indicator must be OFF. chapter 12 for
more information
The BUS FAULT LED about the
troubleshooting.
indicator must be OFF.
The SYSTEM LED
indicator must be OFF.
If the LED indicators
are ON, the module
operates normally.
Remedy
D - 3