Product manual

Troubleshooting
5-7
Part 1105120-01
E 2013 Nordson Corporation
Curing Process Troubleshooting
Problem Possible Cause Corrective Action
System running correctly
but material not curing
Reflectors are installed incorrectly. Check reflectors; make sure they are
installed correctly in the brackets and
supports.
Reflectors are dirty or damaged. Clean or replace the reflectors.
RF screen dirty. Replace the RF screen.
Lamp not in focus. Focus the lamphead.
Incorrect bulb type. Replace with the correct bulb type.
Low power level setting. Increase the power level on the
system controller.
Material issue. Contact the material supplier to verify
the UV spectrum/intensity output.
General Lamphead Troubleshooting
Problem Possible Cause Corrective Action
Low lamphead pressure
Refer to Fault Message Troubleshooting in this section.
Magnetron failure
RF fault on system
controller
Tear in the RF screen in front of
the bulb.
Replace the screen.
RF screen not securely fastened. Tighten the screen.
Lamphead bulb has failed. Replace the lamphead bulb.
RF detector was improperly
installed.
Check RF placement and
connections to system controller.
Refer to the Section 3, Installation for
installation requirements.
The lamphead is
showing signs of
electrical arcing
Loose component or debris in the
lamphead.
Tighten all fasteners. Clean the
lamphead interior.
Refer to Section 6, Maintenance and
Repair to replace any damaged
lamphead parts.