Trane CCUF-R454B - Abnormal System Noise; Unit Fails to Start (Phase Reversal)

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x
x
s
Water circulation pump defective Check the pump and replace if necessary.
x x s
Low refrigerant charge See point G.
x x s
The liquid filter is clogged Replace.
N Abnormal noise
detected in the
system
x
x
s
Compressor noisy Check and replace if necessary.
x
x
s
The panel vibrate Fasten properly.
P The unit does
not start
x x s
Phases of the supply network
reversed
Invert two phases.