Tried to fire up the Espar S2 unit and got an "H1 Service" message and it wouldn't start. It also has the Easy start pro timer/controller.. First, you will need to reset the heater. We are attaching an installation manual to this email. Please navigate to 7.2.3 section and perform a factory reset.. By systematically addressing these potential problem areas, you can ensure your heater is ready to provide reliable warmth throughout the winter. Regular Maintenance for Long-Term Performance. Keeping your Espar/Eberspacher heater in top condition requires periodic maintenance. You can often avoid the most common issues by routinely checking.
Recent quirks with my Espar would lead me to advise that you maintain them every 500 hours. A fuel pump installed level didn't help. Learning they had a fuel filter did help. Learned they don't like high altitude too. Very good You Tube video for basic maintenance is on there.. This is how to reset your espar heater control with maintenance Required Error screen. Easy Do it yourself fix within a minute. #esparheaterfixGet Tubby Budd.