What could be reason for a torque converter of frame 9 machine on baesload suddenly explode and burst in flame. There was an alarm of 0 Q 1087 ALM LUBE OIL TANK HIGH LEVEL when oil was not added to the machine and the oil level was normal. then 1 L33TC SOE Starting Means Torque Converter Unloading Valve. Then, it alarms came several times before the explosion.