The wall-hung boiler is an important equipment for modern home heating, but in the process of use, various faults may be encountered, among which E5 failure is a more common one. E5 faults are usually related to temperature sensors, water pressure, circulating pumps, or thermostats. The following describes in detail the solutions, specific steps, and precautions for E5 faults.
1. Analysis of the causes of E5 failures
1.Damaged or poorly connected temperature sensor: The temperature sensor is the core component of the wall-hung boiler, which is used to monitor the temperature change in the combustion chamber in real time. If the sensor is damaged or in poor contact, the wall-hung boiler will show an E5 fault.
2.Insufficient or too high water pressure: A wall-hung boiler needs sufficient and proper water pressure to operate. Any water pressure that is too low or too high can cause the E5 to fail.
3.Circulating pump failure: The circulating pump is an important component of the wall-hung boiler, which is responsible for the circulation of hot water. If the circulating pump fails, it will also cause the E5 to fail.
4.Thermostat failure: The thermostat controls the temperature of the wall-hung boiler. If the thermostat fails, the E5 fault will also be displayed.
2. Solutions and steps for E5 faults
1.Check the temperature sensor: First turn off the power of the wall-hung boiler, remove the temperature sensor, and check if it is damaged or in poor contact. If there is a problem, replace the temperature sensor with a new one or plug it back in.
2.Adjust the water pressure: Check the water pressure gauge of the wall-hung boiler to make sure the water pressure is within the normal range (usually 1.).0-2.0bar）。If the water pressure is too low, open the water inlet valve to replenish the water; If the water pressure is too high, open the water valve to reduce the water pressure.
3.Check the circulating pump: Open the front cover of the wall-hung boiler and observe whether the circulating pump is working. If the circulating pump is not working, it is necessary to find a professional to repair or replace it.
4.Check the thermostat: Open the control panel of the wall-hung boiler and check if the thermostat is abnormal. If the thermostat fails, it is also necessary to find a professional to repair or replace it.
3. Precautions
1.Be sure to turn off the power of the wall-hung boiler before performing any service operations to ensure safety.
2.All parts and tools used during the repair process must be matched to the model of the wall-hung boiler to avoid damage or safety issues.
3.If you are not familiar with the maintenance operation of the wall-hung boiler, it is recommended to contact professionals for overhaul and maintenance to avoid greater losses or potential safety hazards.
4.Regularly maintain and inspect the wall-hung boiler, including cleaning the water circuit, replacing aging parts, etc., to prevent failures.
5.When using the wall-hung boiler, pay attention to observe its operating status and whether the parameters are normal, and deal with it in time if any abnormalities are found.
In a word, E5 fault is one of the common faults of wall-hung boilers, but as long as you follow the correct methods and steps to deal with it, and pay attention to related matters, you can effectively solve the problem and ensure the normal operation of the wall-hung boiler. If you encounter difficulties or uncertain situations in the process of handling, you should seek professional help and guidance in a timely manner.