Helping the mining industry grow in a sustainable wayLearn more
Energy education from anywhere for efficiency everywhereFree Online Courses
Your fastest way to answers!Download Now
Schneider Electric Egypt×
Explore our global offerings or select your country from one of our five regions.Global
Découvrez nos offres globales ou sélectionnez votre pays dans l’une de nos cinq régions.
The Drive Overheat Fault (OHF) indicates that the heat sink temperature has crossed the temperature threshold.
This is the information from the temperature sensor located on the heat sink, near the transistor module.
When the Thermal Heat Dissipation (THD) is greater than 118% it trips in OHF. 118% is approximately 100 Deg Centigrade temperature on the heat sink.