Chromagen

E4 Chromagen Solar Water Heater Error E4 means the collector temperature sensor (the probe on the solar panel on … E1 Chromagen Solar Water Heater Error E1 means the upper temperature sensor inside your solar tank has failed or … E2 Chromagen Solar Water Heater Error E2 means the lower temperature sensor (at the bottom of the tank or on the … E3 Chromagen Solar Water Heater Error E3 means the water in your solar tank has exceeded the maximum safe … LO Chromagen Solar Water Heater The LO code on your Chromagen controller means the water temperature has dropped …