Worked fine, turned it off, went to bed and at 2:30am random intemittent beeps and red LED flashing. Stove will now not fire. Attempted to clear lock out by removing all batteries and turning off power to the unit to no avail. Red LED diagnostic light (Diagnostic Interface labeled "XOA") that is furthest from the SW1 switch is flashing with the beeps. Local propane tech had no answers, guy who installed is too busy to help and I have been on the phone with the NH dealer who has not called back as yet. Oh yeah, it is my only heat source and it was in the 30's this morning. Any ideas?