Xuzhou Sheng Erda Refrigeration Electrical Services Limited air conditioner noise and vibration larger Reason 1: screw loose or fall off Solution: Check the screw loosening place and tighten Reason 2: compressor piping collide exclude: hand appropriate adjustments to the beginning of the high and low pressure pipe or hose put on easily collide tube, in order to avoid abnormal noise issue when touching Xuzhou 圣尔达 Refrigeration Electrical Services Limited ☆ air conditioner why frost when the air conditioner in as cooling operation, due to the evaporation of the evaporator temperature is below 0 ℃, indoor air humidity, air conditioning repair, Xuzhou hand, there will be frost phenomenon. Under normal circumstances, Xuzhou conditioning maintenance, as long as the wind speed to play at a high speed, generally resolve on their own. Some air conditioners already have such automatic defrosting judgment and handlers. ☆ air conditioner indoor or outdoor part why sometimes generated when the air conditioner work will take the fog mist is a normal phenomenon, not a malfunction. Air conditioner cooling operation, the indoor air is blown, air temperature around 10-16 ℃, while the indoor temperature is usually initially at about 30 ℃ Xuzhou air conditioning maintenance of telephone, hot cold vapor in the air condenses, it creates a mist. ☆ Press "Stop" button, which is why the air conditioner still rotating air conditioner due to issue automatic defrost instructions. When the heating operation is stopped, the unit in the outdoor unit microcomputer means detects a considerable degree of frost conditions, and thus issues an automatic defrost instruction. Used Xuzhou refrigeration air conditioning repair prices _ Sheng Erda (certified) _ Used air conditioning provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou Sheng Erda Refrigeration Electrical Services Limited (xzktw.com) Xuzhou, Jiangsu, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Sheng Erda leader in refrigeration staff warmly welcome all inquiries negotiations to create a better future Sheng Erda refrigeration.