Fault Codes DTC & Troubleshooting

2 TROUBLESHOOTING
- 39 -
A.INPUT
Scan-type analog input
LQA3**
LQA8**
 Input data cannot be input normally.
Check if: What to do
The power supply module is operating
abnormally.
If true, follow the troubleshooting map
for the power supply module in order
to check out the said module.
The station in which the A.INPUT module is
installed is operating abnormally.
If true, follow the troubleshooting map
for the station module in order to
check out the said module. If the
scan-type analog input module used is
of model LQA301 or LQA310, use an
RI/O station module. If it is of model
LQA801 or LQA810, use an RI/O
station or J.Station module.
The scan-type analog input module is mounted
properly.
If not, mount it properly. For details,
refer to the description under “4
HANDLING” in the “I/O MODULES
(manual number SME-1-114).”
The right terminal block is attached to the
A.INPUT module.
If not, attach the right one to it.
The input cable is wired correctly. If not, wire it correctly.
The scan-type analog input module is
grounded properly.
If not, ground it properly.
The allowable input data range is exceeded. If true, use the scan-type analog input
module within the proper input data
range. For details, refer to the
description under “4 HANDLING”
in the “I/O MODULES (manual
number SME-1-114).” The allocated
data area (EW area) can be set up in
the S10V LADDER CHART
SYSTEM by selecting [Utility] – [PCs
edition] – [Analog counter].
https://www.truck-manuals.net/