Dining room unit locked out again. Cannot pinpoint fault. We need to get on the phone with trane tech support when they are open during the week. Unfortunately, we cannot diagnose the issue without an active fault. Resetting the power clears the fault and allows the unit to operate normally through a series of full cooling cycles. Both compressors run, no frost on the suction lines. Condensate is draining properly. Unsure how much run time trips the lockout fault. Showed staff where the breaker is so they can work through the issue if it happens again this weekend.