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Help with A/C freezing up ..

My brother in law swapped his 13.5 A/C last year for a brand new 15k A/C at a local RV repair. That place is now closed and he had an issue this past weekend..

We were camping in 90* weather Friday and Saturday with NO Issues... a front came through last night and took the humidity and heat away with temps in the 70*'s this AM.. He had cool air blowing, but it was not blowing hard... went up on the roof and his lines inside the shroud were all frozen...

He is 50 amp with 2 A/C's and was plugged into 30 amp service so was only using 1 AC..

Any ideas on what may be happening...
Me-Her-the kids
2020 Ford F350 SD 6.7
2020 Redwood 3991RD Garnet
15 REPLIES 15

bob213
Explorer
Explorer
Fan not on high or auto? Freeze sensor dislodged from correct place?
You can avoid reality, but you cannot avoid the consequences of avoiding reality โ€“ Ayn Rand