Delta AH02HC-5A, Hardware Manual

Page: 192 / 229

C h a p t e r 8 M a i n t e n a n c e a n d I n s p e c t i o n
8.2.2 Daily Inspection
No. Item Inspection Criterion Remedy
1 Appearance Check visually.
Dirt must not be
present.
Remove the dirt.
Check whether the set
screws are loose. Further tighten
the screws.
2
Installation of a
backplane
Check whether the
backplane is installed
on the DIN rail properly.
The backplane must
be installed firmly.
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.
Check whether the
removable terminal
block is loose The removable
terminal block must
not be loose. Install the
terminal block
firmly.
4 Connection
Check whether the
connector is loose. The connector must
not be loose.
Further tighten
the screws on
the connector.
Power
supply
module POWER
LED
indicator Check whether the
POWER LED indicator
is ON. The POWER LED
indicator must be
ON.
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.
CPU
module
SYSTEM
LED
indicator Check whether the
SYSTEM LED indicator
is OFF. The SYSTEM LED
indicator must be
OFF.
5
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
chapter 9 for
more
information
about the
troubleshooting.
* Please refer to Module Manual for more information related to the LED indicators on the extension
modules.
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