The presence of water heaters in the house - the luxury, which has already become indispensable. Especially in summer, during the period of permanent repair of heat networks and hot water outages. Or in the country, if there is electricity there. But sometimes, alas, this miracle of technology ceases to work.
Electric boiler device diagram.
Before you finally break, the water heater usually warns about his refusal to work - long heats up, flows, makes some unclear sounds, beats the current and others. If this happens, it will also have to call the wizard or repair the boiler with their own hands.
Often emerging water heaters breakdowns
The most common breakdowns that can be eliminated with their own hands are: insufficient heating of water, the inaction of the inclusion machine or the failure of the heating element (TEN) of electrical water heaters.It happens because of the accumulation on its surface of a large amount of scale.
Less common, but annoying breakdowns can be called:
- Heating of cold water supply pipes;
- water heater tank flowing;
- heating fork;
- The boiler beats the current or constantly turns off.
How to Clean the Ten with your own hands
Water heater device diagram.
If it happened that if there is a voltage in the network and operating indicators (if any) on the water heater housing, it stopped automatically turned on even with an increase in the thermostat of the desired water temperature, this may indicate the beam's border or that the serviceable element is covered with a layer of scale. In this case, the thermostat is covered and the dipped thermostat, which prevents automation in time to "evaluate" the temperature in the tank and turn on or disabling the Tan.
To check the health of the heating element of the water heaters, it suffices to remove the lower protective cover and turn on the relay forcibly. If the lamp lights up - the heating indicator and the hissing sound of the working Tan is heard, it means that it is in good condition. In this case, the repair will be reduced to the dismantling of the Tan and its cleaning.
- Step 1 - To dismantle the heating element, you need to turn off the boiler from the network by driving the plug from the outlet;
- Step 2 - for draining water from a tank:
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Water heater connection circuit.
- Cold and hot water cranes.
- Unscrew the nuts of the connecting hose of the cold water supply to the boiler, put on the pipe of the boiler with a slog of a suitable diameter and direct it into a bucket or sink.
- Open the crane of hot water - there will be a drainage of water immediately from this crane and from the Cold Water crane, for the most complete drain of water from the tank, after the water stops flowing from the crane of hot water, connect the car pump to this crane and blow it.
- Disconnect the wires, carefully sketching their position or make a photo, remove the electrical part of the thermostat, so as not to damage it when water gets.
- Unscrew the nuts on the flange of the boiler, carefully remove it along with Tan - at the same time the small number of water remaining in the tank. If the heater has been increasing that it is difficult to extract it, carefully a slotted screwdriver can be slightly cleaned it so that you can get it.
- A blunt knife thoroughly clean the TEN and the thermostat dipstick, replace the magnesium anode if necessary. For cleaning, you can use special means to remove scale.
- Build water heaters to produce in reverse sequence. When installing, do not forget to put a rubber gasket under the flange. After completing the work, first fill the boiler with water, checking hermeticity, then connect to the network.
If the TEN blocked - this sequence is used to replace it with a new one.
Elimination of other faults with your own hands
Cold water supply pipe heating can only occur for two reasons:
- Failing safety valve.
- The valve is not installed on the regular place.
Repair is reduced to the fact that you need to replace the faulty valve or simply install it on the connection of the cold water pipe and the boiler nozzle. Installing the safety valve if it is included, is required at the request of the manufacturer. Unimagination will entail his failure in warranty repair. The absence of the valve can lead to a tank break due to the hydroudar.
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The water heater tank flow occurs in the case of a leakage of the flange and body or when the tank is wear. In case of damage to the internal tank, the repair of the water heater is impossible with their own hands and will have to replace it if the boiler is allowed. Or you will have to buy a new water heater.
If it is determined that it flows from the flange gasket, you should drain the water from the tank, as described above, remove the flange and visually estimate the state of the gasket. Buy a new one, taking a faulty sample. Replace the gasket and use the boiler on.
Heating the fork can occur due to loosening contacts in the outlet and insufficient contact of it and forks. With a long operation and constant overheating of contacts, the housing can be mounted, which will lead to a short circuit.
Heating the fork may occur and with insufficient power outlet and electrical wiring in the apartment. On the case of the socket must be marked 10a.
In the case of molten, the plug body is cut and replaced with a new one.
The boiler hits the current, turns off the machine or it does not heat the water - this indicates the failure of the order. If, when disassembling the boiler, it was found that the heater of black color, burst along - this is unmistakably indicate its failure.
If the TEN does not have explicit signs of breakage, you can diagnose a malfunction using a multimeter.
- Step 1. Mix the heater tubes with water. Multimeter pointer to install on the scale of the ohmmeter to the maximum value and measure the resistance, touching one probe of the instrument of the Tan tube, to others - any of its contacts. If the numbers appear on the display, then the heater is defective and it must be replaced. "1" indicates the absence of leakage "on the hull"
- Step 2. Touch the contacts of the Tan's contacts. If the numbers appear, the cutting spiral is not, it is working. "1" on the display in this case testifies to the spray and malfunction of the element.
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These are the major boiler faults when repairing their own hands is possible.