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the maintenance of the catering oil fume purifier is free during the warranty period. the normal warranty is one year. if you want to repair the catering oil fume purifier equipment after the warranty period, it is also ok, but the maintenance will charge a certain amount of labor and replacement materials. if this is the case, the repair is not that expensive. it is best to find the restaurant you choose to buy.oil fume purifier manufacturerrepair.
when purchasing a catering oil fume purifier, you can consult the salesperson of the catering oil fume purifier to ask how long the warranty period of the product is. the warranty period of the catering oil fume purifier equipment of the general catering oil fume purifier manufacturer is about one year. whether there are other guarantees depends on the situation of the catering oil fume purifier manufacturer. for repairing the catering oil fume purifier after the warranty period, a certain amount of labor and accessories cost is required, but it depends on the situation. if you need more, consider looking for repairs. you can ask this question clearly when purchasing a catering oil fume purifier equipment.
many people like to cook by themselves, but in fact, when we are cooking, there will be a lot of smoke, oil and harmful gases in the kitchen. these things are actually harmful to human health if inhaled for a long time. in the past, before people solved the problem of food and clothing, oil fume purifiers seemed to be unnecessary. however, in today's era, the existence of oil fume purifiers is very necessary. they can remove oil fume well and keep air circulation. so, sometimes there will always be some problems with the oil fume purifier. what should i do? today, the editor will tell you about the common fault repair methods for catering oil fume purifiers.
1.when the power is turned on, only one motor rotates, the other motor does not rotate, and makes a "buzzing" sound.
(1)the motor is faulty or the impeller is stuck.
(2)the motor-related parts are stuck.
(3)the starter capacitor is damaged.
check the key switch SB: and SB,、 electric motor M。 and M: and start the capacitor and discover the motor M: the start capacitor of the fume purifier is disconnected, causing the motor to M: cannot start. replace the motor M: start capacitor, troubleshoot.
2.press the automatic alarm and exhaust switch, and the exhaust fan starts immediately, but the alarm also alarms.
the main reason for this failure is the failure of the delay circuit component. check separately R;、A。、R:、C2 capacitors are found in other related components (j the circuit is disconnected, causing the delay circuit to work abnormally and troubleshoot after replacement.
3.press the automatic key and the green light-emitting tube does not light up. the power circuit of the air-sensitive device is faulty. after power off, check the transformer, rectifier diode, integrated circuit, transistor, capacitor and c。、 resistance R。。 filter capacitors are found in other components C, it is broken down, causing the power supply circuit to work abnormally.
4.when encountering harmful gases, the detection fails
the gas sensitive tube fails or the sensitivity decreases, and the regulation circuit is poorly operated. the gas sensitive tube is N the resistance of a semiconductor component decreases when it comes into contact with a combustible gas. different gas concentrations also show different resistances of gas sensitive tubes. the higher the gas concentration, the smaller the resistance.
first check the sensitivity adjustment potentiometer R, and R,, discover potentiometer R, breaking the circuit, causing the gas sensitive pipe to work abnormally, and replacing the potentiometer R” re-adjust the potentiometer R¨the gas sensitive pipe works normally and troubleshoots.
5.no alarm sound
when contacting gas, if integrated circuit A, the output of pin 7 is high, the light emitting tube should be checked H。 whether it is shining, if H. if not lit, it is R,。 or VT, open the way; if H。 on, it is the speaker BL bad or damaged music integrated circuit.
6.alarm sounds keep
when there is no combustible gas, if the output of pin 7 of the integrated circuit gas is low, but the alarm sounds are not stopped, the light emitting tube should be checked H。 whether it is shining, if H。 light, then VT。 breakdown; if H。 if it doesn't light up, the music integrated circuit will be damaged.
7.exhaust motor control failure
when the fume purifier comes into contact with combustible gas, the exhaust motor does not rotate, or when there is no combustible gas, the exhaust motor continues to operate, which is a phenomenon of failure of the exhaust motor control. (1)when encountering combustible gas, the 8 pin of the integrated circuit should be at a low potential, if 9 V the voltage is normal, the motor still does not rotate, usually a transistor VT: it is broken down, causing the relay to be unable to be released, and the normally closed contact cannot be connected to the motor power supply. at this time, Hz it should always be glowing, it should be replaced VT:。
(2)if the motor is running continuously when there is no combustible gas, it is the coupling resistance. R,。 or transistor VT: open circuit, capacitor C。
electric leakage causes the relay to not be absorbed or the relay coil is broken.
8.when the motor rotates, the noise is too high. you should check as follows:
(1)whether the motor fan impeller is damaged.
(2)is the motor impeller loose?
(3)is the motor bearing gland screw loose?
(4)whether the motor bearing is bent and deformed, whether the rotor is tilted to one side, and whether the rotation is swept the chamber.
the above are some common fault repair methods for catering oil fume purifiers, and i hope it will be useful to everyone. sometimes we can actually solve some problems with electrical appliances by ourselves. if we really can’t solve them, we can ask relevant industry experts. in addition, when trying out oil fume purifiers, you should pay attention to the correct use. for example, there must be a filter in the direction of the air inlet, and the oil discharge port must not be blocked. you must carefully read the instruction manual for the oil fume purifier you just bought to make the oil fume purifier better use.
1. inspection method check whether there are any concave parts outside the anode cylinder. if so, slowly restore it with a round wooden stick. 2. calibration steps of electric field of oil fume purification equipment before installing the electric field back, it is necessary to carefully check the deviation of the cathode and anode, gently place the electric field assembly of the kitchen fume purifier in a flat place, and use the cathode deviation detector provided by the manufacturer to detect the position of each cathode needle. if a part of the cathode needle can be seen in the small hole in the middle, it means that the position deviation of the needle is within the allowable range, otherwise the calibration rod needs to be used to correct the cathode needle to the allowable range. only after ensuring that the position of each cathode needle is not deviated can the electric field be put back into the body of the oil fume purification equipment, otherwise it will affect the oil fume purification effect of the oil fume purification equipment.
3. installation steps of electric field of oil fume purification equipment. the electric field is divided into two types: one is electric field without a thimble, and the other is with a thimble. when installing, first place the electric field without a thimble into the body, then place the electric field of the thimble, pay attention to the direction of the thimble inward. 4. clean the spray rod of the oil fume purification equipment and pour water into the spray rod to check whether it is blocked. if it is blocked, remove the spray head to clean. after the cleaning spray rod, electric field and insulator are completely cleaned, the cleaning spray rod is installed back first, and then the electric field is installed back. 5. how to use special cleaning tools for oil fume purification equipment. when there are debris in the electric field of the catering oil fume purifier or most of the electric cylinders are clean, and only some cylinders are severely stained, cleaning tools can be used to remove debris and oil dirt, so as to avoid the trouble of using other tools to clean up the debris and frequent cleaning. first, use a spring cleaning tool to clean the cylinder with debris or scaling, and then use a silicone cleaning tool to further remove the oil stains.
the daily maintenance of oil fume purifiers generally includes the following aspects:
1.maintenance of the external surface of the equipment: check whether the power supply control is normal before turning on the purifier. if it is not normal, it can only be turned on after normal maintenance. do a good job in daily cleaning. wipe dust, oil, etc. on the surface of the fume purifier with a clean or damp rag. it is prohibited to use dripping rags and directly rinse the equipment with water.
2.daily maintenance of equipment performance: strictly follow the requirements of the "safe operating regulations for oil fume purifiers".
3.regularly clean the movement (electric field): after the oil fume purifier has been used for a period of time, a layer of oil dirt will be attached to the electrode plate of the built-in movement. when the oil dirt is too thick, it will reduce the efficiency of oil fume purification, and in severe cases it may even cause fire. therefore, the oil fume purifier movement should be regularly cleaned and maintained, and the cleaning cycle is generally 1 ~3clean once a month.
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