carrier vector 1850 mt

[frigopat]

Can some one tell me alarm 180 on this unit is
The book tell me its the ETV on the suction
Our main dealer tell me they never had to replace one
Whats going on is the unit is running in a 0.2 of a vac for about 1 min and shuts down
On alarm A 180
Pertrip the same thing
Thanks p

[cadwaladr]

Maybe a sensor?

[sonkax]

Leave unit to stay a few hours, switch to standby without power cable, scroll trough unit data and see what senseros are showing, they should have almost same readings without major differences.