Is it attached to a heat pump? What kind of stat and m# of furnace.
"Tony Hwang" wrote in message
news:Vb1Ne.239094$5V4.95814@pd7tw3no...
Hi,
Last night outside temp. dippped near freezing.
During the night expected furnace to kick in but it did not.
When checked, control board is flashing error code 31.
Well, can't find the manual in a hurry as usual, LOL.
Can any one give me a pointer on this error code?
TIA,
Tony