Can the thermos itself boil water? Sure can, if Thermo. This combination of an electric kettle and thermos. It's like any technique, prone to breakdowns. So you need to figure out whether repair is possible Thermo-house?
Thermo - a clever maker. The difference is that:
If a thermos conventional hot water gradually cools, our unit will keep the set temperature as long as the device is plugged in. Therefore, all models are equipped with two heaters. A heating element boils the water, the second maintains the set temperature. The exceptions are low-cost devices, which have only a function of boiling.
There are models with different thermostats. The device responsible for the temperature of the fluid. There are infinitely variable regulator which increases gradually heating from 60 to 100 degrees Celsius. And there is a step, in which the predetermined fixed position. In many models used in all three modes to control temperature indicators.
The pump is required to feed hot water from the container into the cup.
It has several modes of operation:
- avtorozliv;
- Hand spill;
- tap with a lever on the spout.
The control module is secured under the lid. The board is responsible for the re-boiling by a timer. And for the reduction of the supply voltage for the correct operation of the pump and timer.
In any model there Switch, which is controlled by a thermal fuse. Such protection is needed from overheating and burning. Details are attached at the bottom of the enclosure and the side wall.
Driving Thermo
If you do not have knowledge or experience in electronics repair, it is advisable to contact the service center. But not bad yet have a general idea of how to construct the Thermo circuit. Then you can fix minor problems, without special education. For example, to repair the power cord, unsolder and replace the faulty capacitor or self-replace blown tan or pump.
The Thermo has a power supply. It consists of a pulse transformer and a diode bridge. Inside to climb we do not recommend. Even the experts are unlikely to want to engage in repair. Most likely insist on complete replacement. The elements of the electrical circuit connecting the electrical parts include: capacitors, resistors, diodes, transistors, etc. They are mounted on the electric board.
We have already mentioned electric pump control module and thermal protection. They are also included in the circuit. Let's look at a few of repairs that do not require in-depth knowledge.
How to disassemble the device
Before you try anything to repair, it is necessary to disassemble the machine properly. It is necessary, first, to find and get to the problem. Second, to collect the device back correctly. Otherwise, already refurbished Thermo simply will not work.
Almost all models have the same structure. Knowing the general principle, it is possible to visually understand. In order not to forget and not confused with the dismantling, step by step came all the way:
- Before disassembling, disconnect from the network thermos, pour out the water. Then flip upside down and remove all the screws.
- Flathead screwdriver or other convenient subject must remove the plastic ring clips. Under it will be the screws that must also be unscrewed.
- Now you can remove the tray. Worth to photograph the whole process step by step. Then you do not get stuck in the assembly.
- We opened access to the pump. To disconnect the hose from the pump, must be removed from their mounting clamps. Cut them with scissors.
- Remove the hoses from the nipples.
- Remove the top cover gently and without excessive force.
- Install the unit upside down steadily, to take over the printed circuit board. Unscrew it and put aside.
- Remove the gasket, gut-wrenching two more screws.
- That is now a metal pallet is free and ready for retrieval. We get it along the bottom.
- Turn off the last 8 screws that hold the cover. Then, using a screwdriver deprotected. Access to the heating element is open.
- Disconnect and pull out the heating element.
- Disconnecting you want us to detail is necessary to check its performance. All electronics prozvanivatsya tester. Housing check visually for cracks through which liquid can flow.
Common problems
He could not work and how to understand the reasons.
- The display is not lit, no pilot light, kettle does not turn on. Check the power cord and each wiring. Also check the thermostat, fuse, control module.
- Pressing the button does not feed the water into the cup. The reason for this pump.
- Not working secondary boiling, thermos does not heat water. Check the power supply unit of electrical charge.
- Main boiling does not work. Check the thermostat.
- It works only heating. Check the heating element to boil.
Now, a little more - how to check this, and what can be done to all the new working.
power cord
AC power cord need to ring tester. If you found a problem, then simply replaced with a new wire.
Chip
In any Thermo has two modules. One for power and one for management. We examine the details on getinaksovoy boards and boards themselves check for the presence of micro-cracks. Burned details carbonized, swell capacitors.
Items can unsolder and replace workers. Cracks solder soldering iron. When the replaced part is burned again, it means that somewhere in a short circuit and will have to change the whole block.
heating elements
To check the status of PETN his first vypayat need, and then to ring. If it still burned, then fix the heating element with your hands difficult. It is easier to replace a new one.
It does not pump water pump is not working
Can not pump water due to clogging of the elementary.
It is easy to eliminate such damage, disassembled and cleaned:
- Remove the pump hose, disconnect the pump.
- Unscrew the impeller from the body.
- Remove the scum on the impeller.
- Remove the impeller, clean the dirt magnet.
- If the pump continues to not work after cleaning, it is possible on the motor windings burned out, then you have to buy a new pump. When installing the hoses back onto the pipes securely fix their collars to prevent leaking.
Do not turn on or turns off
It happens that the Thermo does not turn off after boiling. And sometimes when the flash goes off and immediately light. In both cases it is necessary to check the thermal switches. In the normal position thermoswitch contacts are closed. When the maximum temperature they are opened. As the temperature decreases on average by 20 degrees contacts closes again.
Check the temperature switch tester. To do this, it must be disconnected. At room temperature, the tester should show 0 ohms. If the switch is dipped in boiling water, then - infinity. In the case of other indications the item needs to be replaced. Still it is necessary to check whether the thermal paste has dried, which is used for better contact with the surface.
In case if the thermal switch will not work protection, there exists a thermal fuse that opens the circuit at a temperature of from 110 to 150 degrees. Sometimes it just is not restored contact, then it is necessary to replace the fuse.
Upon completion of work, check the electrical safety of the repaired device. On the body should not leave any contact, except for the ground!
We have seen cases of repair, which can be managed without the specialist. In more complex cases, and even more so when you can not understand what happened to your wonderful tea, you need to carry it to the service center. Before repairing find out how much it will cost. Probably better to buy a new smart kettle.