Water heater repair does not light, can not ignition, flame, flameout, does not heat, the light does not light! Reason analysis and solution:?
Mixing valve handle to low temperature, to high temperature direction adjustment can be; thermostat set water temperature is too low, the temperature control temperature is set to the highest 75 ℃; thermostat bad, rotating thermostat axis without switching the sound, proved to have been bad need to be replaced; thermostat temperature probe tube and the distance between the body of the heaters is too close to less than 75 ℃ on the disconnect, the need to replace the heating tube.Not heated to the set temperature, early water. Solution: Wait until the heating indication is off or the heat preservation lamp is on before using.?
Mixing valve spool bad caused by hot and cold water cascade, need to replace the mixing valve; temperature sensitive probe failure, inaccurate detection of water temperature needs to be replaced; heating pipe bad, with a multimeter to measure the resistance to infinity (normal tens of ounces), proving that the bad needs to be replaced; over-temperature protector is disconnected, you need to check the internal parts qualified to reset;? The end of the outlet pipe is broken, resulting in going in cold water directly out of the outlet pipe, replace the water heater outlet pipe end.
1, power problems, whether the battery is too old. Appearance: Check whether the AC power plug indicator light is on, if not, it is a power problem.
Solution: Replace the battery with a new one.
2, solenoid valve failure. Phenomenon: If the ignition is only heard when the ignition sound, there is no solenoid valve "ta" magnetic sound, it may be damaged or aging solenoid valve. If the solenoid valve aging, in the beginning of the ignition can be suction, hit the fire, but then went out. Gas pressure may also be too high or too low, the use of cylinder gas water heater will appear cylinder pressure reducing valve output pressure is too high or too low, resulting in the water heater can not hit the fire. There may also be dirt in the solenoid valve. Solenoid valve can not pass gas, the gas can not come out, so can not light the fire. Before confirming the failure of the solenoid valve to confirm the igniter control circuit is normal, if there is a failure, can not control the solenoid valve suction.
Solution: a check to determine the specific cause of elimination. If the solenoid valve aging, then replace the solenoid valve. If the gas pressure problem, then replace the new gas bottle. If the gas valve has spoils, then clean it up. If the ignition control circuit, then repair the circuit problem.
3, electric ignition failure. Phenomenon: no ignition sound and electric spark.
Solution: check the pulse igniter and controller whether there is a party with a fault, there is a failure of the case is replaced or repaired.
4, ignition needle or induction needle problems. Phenomenon: no ignition sound and electric spark.
Solution: check whether the ignition needle offset or aging, can be replaced or the ignition needle will be placed correctly. If the inductor needle aging, the inductor needle can be polished and placed as long as the flame can be fully burned with the needle can be.
5, water pressure problems. Phenomenon: ignition sound and sparks, ignited quickly extinguished.
Solution: open the faucet to check whether the water pressure is too small, if the water pressure is too small, only to stagger the peak water season.
6, water and gas linkage failure. Phenomenon: no ignition sound and electric spark.
Solution: check the water and gas linkage valve membrane aging or damaged, can not promote the micro switch, then replace the water and gas linkage valve or repair.
7, the gas source is not open or air intake filter blockage. Phenomenon: There is ignition sound without electric spark.
Solution: open the gas source, clean up the intake filter.
8, the gas does not match. Phenomenon: Ignition sound, no electric spark.
Solution: If the liquefied petroleum gas water heater is connected to the natural gas, you need to change the liquefied petroleum gas water heater into a natural gas water heater before access to use.
9, valve seals corroded by the gas rise. Phenomenon: there is ignition sound without electric spark.
Solution: replace the parts.
10, the exhaust pipe can not exhaust. Phenomenon: there is an ignition sound and electric spark, but quickly extinguished.
Solution: there is a blockage of the pipe, clean the pipe. If the smoke pipe is too long, then re-installed correctly.
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