Found MFO tilt skillet unit off and gas off. spoke to staff. found unit will flash red light but not turn on and when it was running had black soot. inspected unit. found soot built up near burners. accessed components. found power to control but no power to ignition. tested thermocouple found 70 ohms at 80*F. no chart handy will check. jumped power to ignition found gas pressure low at 3"wc. adjusted to 3.5"wc. inspected burn before and after. found improvements but very orange flame. will need burner pulled and cleaned. under side of skillet cleaned. then retest and air shutters adjusted. excess corrosion on burners may require they be replaced. will check chart and determine if issue is thermocouple or control and quote repair. turned gas off.