9 Common Faults of Gas Water Heaters and How to Deal with Them
Gas water heaters can be used right away, and are liked by many people, but any machine will have certain problems if it works for a long time, and gas water heaters are no exception. If the service life is long, some failures may occur. We have sorted out some common faults and solutions of gas water heaters, hoping to help you.
Fault 1: Turn off the flame during use
If the flameout occurs during use, you can check it according to the following procedures:
a. Check that the gas valves are not fully opened. If not, you need to open all the gas valves.
b. After opening, the hot water can be turned on and off continuously until it catches fire. Because the gas pressure is not suitable, too low will also cause flameout during use.
Tip: The process of turning on and off the hot water control switch needs to wait for more than 5 seconds before turning it on again.
c. Ask professional maintenance personnel to check the water pressure, because the reason for the failure may be that the water pressure of the cold water supply is too low. If the starting water pressure is > 0.035MP, the water volume control screw under the gas valve body should be adjusted. Reduce the amount of water.
d. In addition to the above items, it is also necessary to ask maintenance personnel to clean up the carbon deposits in the heat exchanger. If the water controller or the pulse is faulty, please ask the maintenance personnel to deal with it and replace it. It is also necessary to check whether the lead wire is loose and whether the solenoid valve and the flame probe are faulty, these are the possible reasons for the flameout during use.
Fault 2: The water heater cannot catch fire
When this happens, the handling method is somewhat similar to the handling method of fault 1. Let's briefly talk about the method for handling this situation.
a. Open all valves
b. There may be air in the gas pipe, turn on and off the hot water heater continuously until it catches fire, and drive out the air.
c. Check the main valve for cold water supply and open it.
d. Check whether the water pipe is frozen. If there is freezing, wait until it is thawed before use.
e. The water pressure of the cold water supply is too low, check the water pressure. If there is no problem with these, check the power supply to see if the contact of the power supply is complete, or some use dry batteries, whether the battery is dead, if it is no electricity, replace the battery.
f. In addition, there are problems such as water controller or pulse, lead wire, micro switch, solenoid valve failure, and reverse connection of battery positive and negative poles.
Fault 3: The flame is yellow and there is smoke
Cause of failure: a blockage in the burner or blockage in the heat exchanger
Treatment method: maintenance personnel is required to clean up debris in the burner and carbon deposits in the heat exchanger.
Fault 4: The flame is abnormally smelly
Cause of failure:
1. Insufficient supply of fresh air.
Treatment method: immediately improve ventilation so that there is enough fresh air.
2. The burner is blocked.
Treatment method: maintenance personnel clean up the debris on the burner.
3. The heat exchanger is blocked.
Treatment method: maintenance personnel cleans the carbon deposits in the heat exchanger.
Fault 5: There is an abnormal sound when igniting
Cause of failure:
1. The gas pressure is not suitable, too high.
Treatment method: turn on and off the hot water heater continuously until it catches fire.
2. Insufficient supply of fresh air.
Treatment method: immediately improve ventilation so that there is enough fresh air.
3. The burner is blocked.
Treatment method: maintenance personnel clean up the debris on the burner.
Fault 6: Adjust to the high-temperature position and the water is still not hot
Cause of failure:
1. The gas valve is not fully opened
Treatment method: open all valves
2. The gas pressure is not suitable, too low.
Treatment method: turn on and off the hot water heater continuously until it catches fire.
3. The water temperature adjustment method is wrong.
Treatment method: refer to the hot water temperature adjustment in the instruction manual
4. The water controller is out of order.
Treatment method: maintenance personnel
Fault 7: The water is too hot at a low temperature
Cause of failure:
1. The water temperature adjustment method is wrong.
Treatment method: refer to the hot water temperature adjustment in the instruction manual
2. The water controller is out of order.
Treatment method: repair by maintenance personnel.
Fault 8: The fire goes out at a low temperature
Cause of failure: the cold water pressure is too low.
Treatment method: maintenance personnel check the water pressure.
Fault 9: The fire does not go out after turning off the water heater
Cause of failure: the water controller is faulty.
Treatment method: repair by maintenance personnel.
The above describes several common problems of gas water heaters. If you want to buy a new gas water heater, please contact us.
Greaidea is a professional custom gas water heater manufacturer, our gas water heater factory is located in Shunde, Foshan City. In our R&D department, 12 engineers are employed to guarantee our R&D advantage and innovation advantage. The test room and assembly line have been upgraded. Spend 3% of revenue on research and development each year. With an excellent manufacturing team and QC team, we have achieved an annual output of 500,000 gas water heaters with the best quality.
Water keeps a constant temperature by accurate adjustment of water flow and gas flow.
You will instantly enjoy continuous hot shower on demand anytime and anywhere.