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Troubleshooting: Hot Melt Spray Gun Over-Temperature or Under-Temperature Alarms for Case Packers and Nordson Adhesive Systems

[Publication Date：2026-01-24 Views：50]

What Causes Over-Temperature or Under-Temperature Alarms on Hot Melt Spray Guns?

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Hot Melt Glue Case Erector Case Sealer Hot Melt Glue Machine Spray Gun Over-Temperature or Under-Temperature Alarm Possible Causes:

Hot melt glue case erector heater failure

RTD (Resistance Temperature Detector) sensor failure

No voltage - ensure connections are secure

Incorrect temperature settings

Temperature control section of the control board is faulty

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