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Microwave clearance work is the boot after working for some time off automatically after a period of time and automatically start , so the cycle several times until the regular time is reached , if the timing is shorter, longer start automatically after a power outage . The main cause of this failure is bad magnetron overheating protection sT or the cooling fan stops . When the magnetron overheat protection action temperature is too low or the cooling fan stops when the magnetron working for some time after the temperature reaches operating temperature overheating protection , the protector will cut off the microwave power , after some time , the magnetron temperature dropped since the resumption of numerical protection devices , microwave power has been turned on and start working , and so they formed intermittent phenomenon . This failure is more convenient to check to determine : If the cooling fan is rotated normally , then the fault is generally caused by overheating protection , on the contrary is a fan fails, the fan does not turn may also cause just started soon after shutdown fault.kZhservice manual download site
Thermal protection is usually very small , and the sealed structure , although the trial may open repair , but re- installed it more difficult, if the repair is less likely , the same model specifications should be replaced with new parts . It should be noted that some microwave uses two or even multiple overheat protection, they are the same general size, appearance is also similar, some marked only the individual is different, it is not difficult to find a closer look , it is easy to confuse them some fans that can interchangeable , I have seen the article will apply to have repairs magnetron 145 ¡æ operating temperature of the thermal protector mistaken action temperature is about 80 ¡æ furnace chamber overheating protection , this is clearly wrong , it will lose protection effects or intermittent microwave oven . So be sure to see the maintenance of the thermal protection on the label , which figures - as said its operating temperature, magnetron mostly protector 145 ¡æ , a few with about 130 ¡æ of ; furnace chamber overheating protection is more to about 80 ¡æ varieties.
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