https://docs.emtronaustralia.com.au/engine-management/functions/engine-protection/engine-temperature-limit-setup/index.htmlEngine Temp Limit The Engine Temp Limit will become active then Engine Temperature exceeds this value. Limit Hysteresis Engine Temperature must return to the (Limit Value - Hysteresis Value) for the “Recovery Hold Time” entered before the Limit is switched OFF.Hugoen-us