Bosch Filter 0986AF4887

08/08/2020

The cold water (freezing) machine displays the reverse phase loss fault quick troubleshooting

The cold water (freezing) machine shows a reverse phase loss fault, which is a common fault of abnormal power supply. The reason for this failure is simple, and it is very convenient to repair, as long as there is a little electrician foundation, it can b–ﰨ2䀀湠疖

09/15/2025

Heat Pump Compressor Troubleshooting

There are various types of compressors used in the heat pump unit and the fully enclosed piston compressor is the most commonly used type. However, when it’s in winter, there most probably are faults of this type of compressor due to frequent heating operations.

08/11/2020

The price of central air-conditioning varies greatly, and the purchase of central air-conditioning needs to consider 4 major factors

In this era of rising living standards, air conditioning has become an essential part of our lives and plays an important role in it. It is for this reason that the air-conditioning market has become more complicated

06/21/2020

Common system failures of refrigeration equipment

Common system failures of refrigeration equipment 1. Liquid return: For refrigeration systems using expansion valves, liquid return is closely related to the selection and use of expansion valves. Expansion valve selection is too large, the superheat setting is too small, the installation method of the temperature sensor is incorrect, the insulation bandage is damaged, and the expansion valve failure may cause liquid return.<img src="{{media url=&quot;Common_system_failures_of_refrigeration_equipment2.png&quot;}}" alt="" />

07/30/2020

What to do if the air conditioner protection light is flashing and not cooling

What to do if the air conditioner protection light is flashing and not cooling<br></br> In the entire home repair industry, what can quickly arouse the attention of users is the previous TV repair, and the current air conditioning repair is also one

01/15/2021

How to clean the air conditioner

Cleaning the external unit of the air conditioner is conducive to improving the operating efficiency of the air conditioner and extending the service life. How to clean the air conditioner external machine, what problems should be paid attention to when c器2䀀
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08/11/2020

Solution to water blowing in air conditioner

The air conditioner indoor unit blows water, the fault is not big, but there are many reasons, and it is troublesome to solve it. Please refer to the description of the following various situations:

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/05/2020

Why does the heating system lose water

1. Why does the compressor produce overheat protection? The working principle and classification of the overload protector. The overload protector of the compressor for air conditioning generally adopts a snap-type bimetallic protector,When the pipeline is filled with water, a large amount of dissolved oxygen is mixed into it to cause corrosion; the insulation shell of the directly buried pipeline is disconnected and is subject to long-term soaking of groundwater to cause corrosion.

08/24/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the expansion water after the system is heated, and plays the role of exhaust in the natural circulation up-and-down system.