Preset Counter/Timer
H8GN
C-83
Counters
■
Troubleshooting
When an error occurs, the error code is displayed on the main display. Take countermeasures according to the code.
Note:
Error codes are displayed only if PV/SV or PV is being displayed.
No. 1 display No. 2 display Error contents Countermeasure
e111 No display Memory error (RAM) Turn the power OFF and ON again. If normal operation is still not restored,
it may be necessary to repair or replace the H8GN. If normal operation is
restored by turning the power supply OFF and ON, it is possible that there
is noise interference. Check that there is nothing in the vicinity that may be
the source of noise.
e111 sum Memory error (EEP)
e1 No display CPU error
- - - -
Flashes
Set value displayed or
no display
Present value under-
flow
This is not an actual error. This display indicates that the present value has
dropped to a value less than
−
999. Reset using reset input or pressing the
Up Key when “- - - -” is displayed.
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