Hot Runner Temperature Controller alarm display - open heater
Hot runner temperature controller alarm display - open heater
Possible
reasons: nozzle heater, sheath heater are burnt out, the thread is loose, and
the connecting line is broken.
Diagnosis
method:
1)
Do the multimeter test the resistance of the corresponding pin or hole of the
mold connector.
2)
Remove the mold connector and check the wire end wiring, and directly measure
the heater resistance
3)
The multimeter measures the two ends of the connecting cable to detect whether is
shorted.
4) Remove
the mold plate and check if the heater wire is broken.
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