Parts for Nordson ProBlue Series Melters

We offer an complete selection of top-quality replacement parts for Nordson ProBlue machines, including ProBlue 4, ProBlue 7, and ProBlue 10. Whether you're looking for hoses, nozzles, filters, or other essential parts, we offer replacements that will help maintain the integrity of your adhesive equipment.

Discover cost-effective alternatives and enhance the longevity and reliability of your ProBlue systems with our premium quality parts, each backed by our commitment to customer satisfaction and unparalleled service excellence.

Need help finding the right part? Want a quote for your entire parts list? Contact us today for help with your Nordson ProBlue replacement parts.

Manuals for Nordson ProBlue Melters

Nordson manuals can be difficult to find. For your convenience, here are links to the official ProBlue manuals within the official Nordson document library.

Nordson ProBlue Fault Codes

Below are common fault codes displayed on Nordson ProBlue 4, ProBlue 7, and ProBlue 10 glue machines along with their causes. Refer to the manuals above for detailed instructions on handling fault codes.

Fault Code Name Affect on Melter Cause
F1 / None RTD Heaters turn off RTD failure or disconnection from melter.
F2 / None Under temperature Heaters turn off Component temperature below set threshold (Parameter 22).
F3 / None Over temperature Heaters turn off Component temperature above set threshold (Parameter 21).
F4 / 1 RAM test Melter stops functioning Failure of internal RAM.
F4 / 2 Internal Clock time Heaters remain on, but fault condition persists Failure of internal clock.
F4 / 4 Internal clock battery backed RAM Heaters remain on, but fault condition persists Failure of battery-backed RAM.
F4 / 5 Internal clock battery Heaters remain on, but fault condition persists Battery for battery-backed RAM is depleted.
F4 / 6 Analog-to-digital Melter stops functioning Failure of RTD analog-to-digital converter.
F4 / 7 Analog-to-digital calibration Melter stops functioning Analog-to-digital converter calibration issue.
F4 / 8 Main board feedback Melter stops functioning Communication failure between main board and CPU.
F4 / A Thermostat Melter stops functioning Thermostat on tank or manifold is open.
F4 / d Communications with optional I/O card Heaters remain on, but fault condition persists Communication failure between CPU and optional I/O card.
F4 / E Fieldbus communications failure Alert output (if output option 6 is selected) Melter continues to operate normally. Failure of Fieldbus card.

Changing a Classic Blue Module

Replacing a Handgun Nozzle

Programming Temperatures

Setting a Passcode

Flushing and Cleaning

Changing a Tank Filter

Changing an Inline Filter

Service for Nordson ProBlue Melters

We offer a number of programs to help with your ProBlue equipment, including a refurbishment program where we'll overhaul your ProBlue units and a buy-back program where we'll give you cash for your old ProBlue systems.

We also offer service plans where our technicians will maintain the adhesive systems at your facility. Contact us today if you're interested! is not affiliated with the Nordson® Corporation. All OEM part numbers are for reference only. Nordson® is a registered trademark of the Nordson® Corporation