When hot runner get some troubles.though it is the technical workers that will repair it , we woulf better to know some common troubleshooting. Here are the Hot runner system common troubleshooting.

First , hot runner system can not heating, besides check the cable and the heater... and we also have to check the mould weather there are a leaking place. If the leaving is appear, we should set the temperature within 100℃ and heating until the liquid is dry. And then reopen the machine. After repair the troubles , all the things we should do is to reopen the machine. Second, the temperature is not stable. In this condition ,we should check weather the thermocouple is good and the connection ways is right. Third , temperature is reducing when it is heating. And the thermocouple is connect in the wrong way. Fourth, The heating temperature is not controlled), continuous heating. When this problem is appearing , we should check that weather the thermocouple is normal. And also we should check contactor is stuck. Here are the Hot runner system common troubleshooting.

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