High discharge pressure of multi-split II type air conditioner

 - Too much soda. - Check and remove excess, adjusting the subcooling between 8 and 11 ° C.

- Presence of incondensable in the system. - Check and correct.

- Excessive thermal load (under-sized unit). - Check and replace the unit if necessary.

High pressure switch tripped without apparent cause - Check regulation and operation. If it continues, replace if necessary.