Delta VFD300C43S-HS User Manual page 391

 When the KTY is not connected, or the KTY is burned, the calculated temperature is beyond
-40–150ºC, the temperature is displayed as its lower limit (-40ºC) or upper limit (150ºC) without
additional error information. At this time, the drive still trips up the oH3 error, check if the
installation is correct.
 When the temperature detection warning occurs to the KTY-84, select the action according to Pr.
06-29.
Chapter 12 Description of Parameter SettingsC2000-HS
12.1-06-25