Gas Water Heater Common Faults and Causes
Phenomenon 1: Water is not hot
Reason 1: Gas pressure is low: gas pipeline is blocked, gas pipeline pressure is low;
·Solution: Check whether the gas pipeline is blocked (it can be connected from the gas meter to a water heater gas inlet directly connected to the water heater, such as the water heater can work normally from the meter to the water heater inlet pipe block) , ask the gas company to check the gas line pressure.
Cause 2: The water flow is too large: the pipeline pressure is too large and the pipe diameter is too large;
· Solution: Turn off the inlet valve and raise the set temperature of the water heater.
Reason 3: Inappropriate settings should be adjusted to high grades or winters, and are now adjusted to mid-range or spring/autumn grades;
· Solution: Set it correctly according to the instructions for use.
Phenomenon 2: water is too hot
Cause 1: The water pressure is low, the water flow is small, and the water pipe is blocked;
· Solution:
a. Swap the pipe to a certain diameter;
b. install booster pump;
c. Clean water heater inlet pipe filter;
d. Adjust the amount of water on the water heater to large;
e. To change the shower, the shower should be as large as possible.
Reason 2: The high gas pressure is mainly reflected in the liquefied gas (LPG);
· Solution: Replace the liquefied gas pressure reducing valve (must be a labor card) and adjust the gas pressure to the required value.
Cause 3: Improper setting is mainly caused by setting the water heater in a high temperature zone.
· Solution: Set it correctly according to the instructions for use.
Phenomenon 3: After the water heater is lit, there is a period of cold water, and after the water is re-opened, there is a period of cold water.
Reason: This is mainly the characteristics of a strong exhaust water heater, not a malfunction. The strong exhaust air heater is designed to improve the safety of the user. Before the water heater is lit, the front sweeper is set. After the water heater is turned off, it is cleaned and the exhaust gas in the water heater is discharged from the water heater. Therefore, after the water is re-opened, a period of cold water appears. In addition, due to the user's leading to the water heater outlet pipe length, and the water heater will be cold water to heat to a certain amount of time, resulting in water heaters lit after a period of cold water. The user can shorten the period of time, set the water heater first in the high temperature range, and then set the water temperature to the required temperature after the water and heat are applied.
Phenomenon 4: Common fault codes of intelligent constant temperature series water heaters
Displaying 01 is not a fault code, which means that the water heater has been running for 30 minutes to remind the user to pay attention to safety. Shows 11, 12, 14, 16, 31, 32, 72, 73, 90, etc. The above figures show the code after the water heater has failed and must be warranted.
Phenomenon 5: Fan operation sound
Reasons: 1. Users newly used by new users do not understand that there is a built-in air blowing device inside the machine. The sound generated by the motor plus wind during operation is a certain degree of noise. 2. The original natural exhaust type machine user is compared with a strong exhaust type machine. The forced discharge machine is equipped with a blower device. The sound generated by the motor plus wind during operation is not owned by the original natural exhaust machine, so the user Feel the machine working sound. 3. Since the constant temperature motor is a DC variable speed motor, the operation is based on the actual output thermal load of the machine to adjust the rotation speed. In addition, the DC motor itself operates more smoothly than the AC motor, so the running sound of the motor is relatively light. The non-constant temperature motor uses an AC motor. The motor operation is constant and the sound is relatively loud. Therefore, the operating sound of the thermostat is lighter; the sound of the non-heating machine sounds louder.
Phenomenon 6: Burning sound
Reasons: Mainly the old users who used the natural exhaust type, they do not understand the sound source of the strong row of water heaters: First, closed combustion, (Energy-generating water heaters use closed-end combustion) Because of the hot hot air in the combustion In the heat exchanger, violent oscillations are generated to emit much louder sounds than open flames. There is also an air box principle where the sound of combustion is amplified in the heat exchanger and transmitted to the space through the heat exchanger wall. The second is that the forced exhaust machine is equipped with a blower device. The sound generated by the motor plus air during work is not the same as the original natural exhaust machine. The sound of the two combined is certainly much louder than the natural exhaust water heater.
Phenomenon 7: Vibrating sound
Cause: The main reason for the vibration of the machine is the poor matching between the gas and the combustion air, the occurrence of flame separation flame, and the vibration of the machine. Specifically, it is caused by a pressure deviation. The phenomenon of off-flame is when the flame comes out of the crater and sometimes back to the crater. This back and forth vibration is a source of vibration. When the vibration frequency of the vibration source is consistent with the natural frequency of the machine or the frequency phase difference is constant, machine resonance will be induced.
Phenomenon 8: Overheated water and poor temperature regulation
Cause: The temperature of the water outlet of the quick-type water heater is closely related to the water output. Under the same output power (fire power), the small amount of water will inevitably cause the water temperature to rise, and the water output will be relatively low, and the water output will be relatively low. If it is smaller than the minimum limit necessary for the normal operation of the machine, it will inevitably cause the water to overheat, and the water temperature cannot be adjusted at this time.
Phenomenon 9: Small water output causes shutdown
Reason: When the water output is small enough to exceed the minimum limit necessary for the normal operation of the machine, it will inevitably cause the water to overheat, severely causing the intelligent machine to display 16 failures; the ordinary machine will cause the temperature relay to work and make the machine stop working. Or start after shutdown.
Phenomenon 10: Small water output leads to different sound
Reason: When the water output is small enough to exceed the minimum limit necessary for the normal operation of the machine, the internal water temperature of the machine is heated to close to the boiling point. At this time, the wall of the water pipe is affected by heat convection and emits abnormal noise.
Phenomenon 11: Small amount of water
Reasons: The reasons for the small amount of water outflow are common users at the top of the water tank, user water pipe plugging, low system water pressure, and user water valve not being opened.
Phenomenon XII: Normal Machine Fire Switching Selection Does Not Properly Cause Bad Temperature Adjustment
Cause: Due to the improper selection of firepower, coupled with the mismatch of water regulation, the outlet water temperature is too hot or hot. This situation is often the user does not understand the working principle of the water heater or wrong as if the boiler bath, the choice is high-temperature large firepower, plus cold water to adjust the temperature. There is also a user-oriented economy. Selecting a small amount of firepower requires the use of a large amount of water to cause insufficient water temperature.
Phenomenon 13: Improper temperature adjustment due to incorrect temperature setting of the thermostat
Cause: Due to the user's incomprehension of the performance of the constant temperature water heater, wrong operation was performed on the setting of the temperature. For example, setting the high temperature and adding cold water to the water to adjust the temperature lead to poor temperature regulation, and serious causes the display 16 to cause downtime. .
Phenomenon 14: Setting temperature is lower than the outlet temperature
Reasons: There are two main reasons: 1. Poor water control, the water is better than the machine's thermal load capacity 2. Hot water pipeline is too long, poor insulation, heat dissipation. General hot water pipes should be controlled within 5 meters. Non-metallic materials are suitable. PPR material pipes can be used.
Phenomenon 15: Excessive temperature of outlet water caused by too small water volume adjustment
Reasons: This type of problem often occurs when the user does not understand the temperature adjustment system, and mistakenly adjusts the water level adjustment rod in reverse. The amount of water output is small, resulting in an excessively high outlet water temperature.
Phenomenon 16: Water temperature is not high due to excessive water regulation
Reasons: This type of problem often occurs when the user does not understand the temperature adjustment system, and mistakenly adjusts the water level adjustment rod in reverse. The water output is amplified, resulting in a low temperature of the outlet water and the water is not hot.
Phenomenon 17: Adding too much cold water, causing flameout
Reasons: due to the user to achieve a large amount of water use or water adjustment operation error, mistakenly increase the firepower or set a high temperature, and then add cold water to adjust the temperature, making the machine hot water squeezed by the cold water, when The hot water flowing out of the machine is reduced by the extrusion flow to less than the start-up flow of the machine. At the same time, the amount of water entering the water heater is diverted to reduce the water intake. The machine will shut off at this time.
Phenomenon 18: Gas pressure is low, causing low water temperature
Cause: The gas pressure of the gas supply is lower than about 80% of the normal pressure. The main causes are the user's gas pipeline plugging, insufficient gas pressure in the ignition system, insufficient specification of the meter, and defective valves.
Phenomenon 19: Gas pressure is too high, causing no fire
Cause: The supply pressure is higher than 30% of the normal pressure, which may cause the machine to ignite or burn abnormally. The reason is that the pressure of the safety solenoid valve in the machine rises due to a high pressure of the gas supply, and it is difficult to open, so it cannot be ignited. A high pressure may also cause the proportion valve to break and cause the proportional valve to be damaged.
Phenomenon 20: Gas pressure is too low, causing no fire
Reason: Because the pressure of the air supply is too low, the internal flame of the machine is in a state of leaving the flame, making the water heater not ignited.
Symptom 21: Gas pressure is too high, causing damage to the machine
Reason: Supply pressure is too high a pressure will also cause the proportional valve by the high pressure, diaphragm rupture valve damage, resulting in damage to the machine.
Phenomenon 22: Small water volume and high water temperature
Reason: The starting water pressure or water volume is the minimum water pressure or minimum water volume that is technically designed to be able to start the machine. The startup water volume of the energy-generating water heater is designed to be 2.8 liters, ie the machine will start when the water output reaches 2.8 liters. It is indeed difficult to use sex. In order to make the machine work properly, the water pressure should be between 80 and 500 KPa. That is to say the 0.8 kg to 5 kg water pressure as the saying goes, the amount of water in the machine reaches 6 to 16 liters.
Water heater Linne water heater Haier water heater space appliances
Bedroom Cabinet,White Bedside Cabinets,Grey Bedside Cabinet,Black Bedside Cabinets
Ningbo Oulin Import&Export Co.,Ltd. , https://www.oulinfurniture.com