13. Character Table
13.1 Error Code
Error codes are indicated in the PV Display.
Error Code Error Contents
Internal non-volatile IC memory is defective.
Data writing (in non-volatile IC memory) error when power failure occurs.
PV has exceeded Input range high limit value (Scaling high limit value for DC
voltage, current inputs).
PV has dropped below Input range low limit value (Scaling low limit value for DC
voltage, current inputs).
Input burnout or disconnection.
Input value is outside of the Indication range and control range.
Hardware malfunction
AT or ‘AT on startup’ has not been completed even if approx. 4 hours have
elapsed since AT or ‘AT on startup’ started.
For ‘AT on startup’, PV slope and delay time cannot be measured normally for P,
I, D calculation.
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