to unlock the
carrier comfort series thermostat you
need to press down the arrow the two
arrow button for about five seconds like
this
until the icon lock
display and release and then
press the
mode and fan button
for about five seconds again until the
display
chains
like that and then go to
number 21
to turn
off and then press the mode again
to turn off
change this on to off
okay and then press the mode again
okay
and then
fresh the fun
to
finish
and then you see that
your thermostat is
unlocked