no defrost cycle ice on coil

by Pat
(Richmond, Va)

Defrost cycle not working ice on coils while heat pump is running

Comments for no defrost cycle ice on coil

Average Rating starstarstarstarstar

Click here to add your own comments

Jan 21, 2014
Rating
starstarstarstarstar 		ice
by: Anonymous

ice forms on out side unit is this the defrost not
working
Dec 09, 2013
Rating
starstarstarstarstar 		Sounds like a problem with the defrost
by: Anonymous

You will have to diagnose potential problems with the following:

- defrost board
- defrost control relays
- defrost sensor
- defrost thermostat

or other defrost related problems:

- bad reversing valve/solenoid or hot gas bypass valve
- insufficient outdoor airflow

Click here to add your own comments

Join in and write your own page! It's easy to do. How? Simply click here to return to Heat Pump Defrost Problems.