Problem
Probable Cause
Corrective Action
Reference Section
The output turns OFF and
the error message “Hardware
input abnormal error” is
displayed.
Connected a load outside
the specifications.
Connect a load within the specifications.
3.1
“Abnormal Temperature” is
displayed.
The exhaust or inlet holes
are blocked.
Provide adequate space around the GS820.
3.1, 3.2
“Circuit Protection” is
displayed.
Connected a load outside
the specifications.
Connect a load within the specifications.
3.1
Unable to save data to the
storage.
No free space on the
storage.
Delete unneeded files or format the storage.
4.6
Unable to set the GS820 via
the communication interface.
Communication settings are
not matched.
Match the communication settings with the
PC.
Chapters 12 to 15
17.1 Troubleshooting
17-2
IM 765601-01E