Dismount the thermostat and temporarily remove the batteries. Reinstall
the batteries. Then do a factory reset, followed by a power test. That
worked for me. Also, did you remove the jumper in the power connector
(if required for your setup)? If remo...
Hi. First, check all of your connections to be sure they are correct and
tight. Next, try a factory reset, followed by a new install, followed by
a power test. That worked for me when I encountered my N260. My
thermostats have worked flawlessly since...
All I can think of is:1. Be sure power connector is installed BETWEEN
zone controller/valve and thermostat.2. Since power connector needs to
be installed as mentioned above in #1, be sure wires going TO thermostat
and wires coming FROM zone controlle...