Question about Heating & Cooling
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Posted on Jan 02, 2017
The first thing i'll say is you will need to get it repaired by a technician and i strongly recommend you not to do it by urself.
Remote control units have diagnostic program in the
control, after 3 to 5 minutes of operating if the diagnostic
tools detect abnormal operation, then its shutdown the unit
to protect from damage. Thermistor sensor is one of the
parts that detect the operation of the unit. Out of range
or defective thermistor can shut the operation of the unit.
- If your indoor and outdoor is clean start the unit in cool mode and monitor the outdoor pipes. If your suction pipe is icing or dry then your unit is under charge, but if your suction is cold and sweating then the system is ok and sure that the thermistor sensor is defective.
- Out of range thermistor sensor in both return air and freeze up sensor can cause the tripping “off “ the unit.
Posted on Mar 22, 2008
SOURCE: Senville Mini Split Error Code
The E4 light on your system is saying there is a commiuntion problem between the inside unit and the outside heatpump unit.Make sure there are no loose wires and you wired it properly,The S wire is the commiuntion link wire make sure it is a solid run between both units.I had the same problem with my system and it was the s wire not making a good connection.
Posted on Apr 25, 2009
i had this problem it was freezing up outside it was only a short pipe run so it was over gassed i took some out and it was fine
Posted on Jan 18, 2010
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