Twice in the last week we have run out of hot water. Both times, the dishwasher was running, as well as the washer (Steam Washer takes little water). When I went into the basement to check, there were two LED's on the panel lit up. I turned the power off for ten seconds and powered it back up and it ignited immediately and began heating up the water. The unit was built in 03 and had a gas valve replaced in 05. The 2 LEDS that lit are not listed on the Trouble shooting guide. Can anyone give some insight? Thanks in advance for your assistance.