Table 7-4 Troubleshooting - Hitachi S10mini Hardware Manual

7 MAINTENANCE
Troubleshooting by replacing the module
If the problem is not resolved by performing the procedure recommended in
"Troubleshooting by checking the status of indicator illumination" above, start
troubleshooting as described in the table below.
Module
Power supply module
I/O modules
The customer is cautioned not to replace any internal components of the S10mini
CPU, except for the battery. We do not assume responsibility for any
consequential damages to our equipment and peripheral devices and for
personal injury that may result from such customer replacement. If a module
appears to have failed, replace it as a whole.

Table 7-4 Troubleshooting

Failure symptom
The LED remains off.
All I/O modules are inoperable.
The I/O module mounted on an I/O
unit is inoperable.
Only a particular I/O module is
inoperable.
CAUTION
7-6
Action
Replace the power supply module.
Replace the power supply module.
Replace the CPU module.
Replace the I/O module.