Air conditioning problems can be frustrating, especially during hot summer months. In this article, we will discuss the top five AC problems and provide solutions…
Condition Though a test operation (check operation) in combination with the VRV II series outdoor unit had completed, an malfunction “E4 (abnormal low pressure malfunction)”…
Condition LED display for master/slave judgment remained to be turned off the test operation of the multi system of two VRV II units though the…
After replacement of the control PC board, operation does not start with an malfunction “LC” displayed. Operation was initiated without setting the horsepower. Set the…
Test operation was initiated but not started with an malfunction “LC (transmission malfunction between the inverter PC board and the control PC board) displayed. Accessory…
A malfunction “F6” (overcharge of refrigerant) is displayed when a “check operation” is executed as a test operation under the condition of low outdoor temperature…
Though an malfunction “E3 (abnormal high-pressure)” is sometimes displayed on the VRV Plus series (L unit) system, the same condition is not reproduced at the…