Aube Thermostat Says Lp . What you can do is open up the front panel of the thermostat and clean the dirt using a small and light brush. The aube electronic baseboard heat thermostat combines unbeatable accuracy with silent operation. Thermostat Says Auxiliary Heat On from reganoquinn.netlify.app During a power outage, lp (low power) appears for the first minute. I have a vision pro th8320u1008. Click to see full answer.