Table 7-2 Cpu Indicator Indications Showing Normal Cpu Status; Table 7-3 Cpu Indicator Indication Suggesting An Error - Hitachi S10mini Hardware Manual

Troubleshooting by checking the status of indicator illumination
If the power supply module operation indication LED is off, examine the supply voltage
and the waveform.
The CPU module indicator should appear as described below when the CPU is running
normally.

Table 7-2 CPU Indicator Indications Showing Normal CPU Status

Indication
N△△△
P△△△
E△△△
CPU RUN
CPU SIMU
CPU STOP
If the indicator shows the condition described below, troubleshoot the failure by taking the
corrective action suggested.

Table 7-3 CPU Indicator Indication Suggesting an Error

Indication
IO-T-△△△
If the indicator shows otherwise, refer to "S10mini CPU (Manual number SME-1-100)"
and the documentation supplied with the option modules mounted in the CPU mounting
base.
Running program N△△△.
Running program P△△△.
Has turned on event coil E△△△.
Running a ladder program and executing a remote I/O transfer.
Running a ladder program and has paused a remote I/O transfer.
Has paused a ladder program and executing a remote I/O transfer.
Transfer of remote I/O data to and from the I/O address (△△0) is disabled.
Check the power and remote I/O cables for breakage, the terminator and
station number settings for validity, and I/O numbers for duplication.
7-5
7 MAINTENANCE
Explanation
Corrective action