Products
Selection Wizard
Do It Yourself Mini Split Air Conditioner
AmericAire Inverter Mini Split Air Conditioner
AmericAire Mini Split Air Conditioner
Unionaire High Wall HWC
Through Wall Room Air Conditioner
Multi Split
Ceiling Floor CFU
Cassettes CAS
Free Standing
AmericAire PTAC


Home
Catalog
FAQ
General Resources
Warranty PDF
Contact
Picture Library
View Quote

FAQ Answer

Q.

Error Code E5:


A.

Low refrigerant charge:  this code means that the refrigerant charge within the system is not adequate to run it without frosting the coils.

diagnosis:  the refrigerant charge must be brought to within specified parameters.  Possible causes of a low charge could include the following:

  • The factory charge in Unionaire condensers is enough for the whole system with 13 feet of lineset, but may have been short, see the temperature/pressure chart to charge it within specifications.
  • Leaking, the system may have a leak which must be located with a refigerant detector, or by a sop test, most leaks can be braised up, however, if a component such as a 4 way valve has developed a leak, it will need replacing.
  • Lineset lengthened and/or increased in diameter.  A lineset longer than 13 feet, or larger in diameter than that with which it came will require that additional refrigerant be added.
 


©2017 Unionaire