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BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22515
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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Celiera 12000 BTU (1 Ton) Ductless Mini Split Air Conditioner

Customer Question

Celiera 12000 BTU (1 Ton) Ductless Mini Split Air
Conditioner Model # *****
Runs fine for a while and then stops cooling and displays Error code E4
Submitted: 2 years ago.
Category: HVAC
Expert:  BillyHvac replied 2 years ago.

use a water hose and wash the outdoor coil.

Remove and clean filter...check indoor coil. The pressures are too high