Troubleshooting

There are unique situations you may encounter when operating the Figure 4 UV Curing Unit 350. These situations, and their solutions, are broken down in the table below.

NOTE: Unless troubleshooting steps require the UV Curing Unit 350 to operate, shut down the unit and unplug it before performing troubleshooting steps.

 

# Issue Description Customer Troubleshooting Steps
TS1 Part is not fully cured in its entirety

WEAR 100% nitrile gloves whenever handling GREEN parts/resin.

  1. Ensure you used the correct curing time for the resin printed with, according to your printer's Post-Processing Guide.
    1. Yes, I used the correct curing time. Go to Step 2.
    2. No, I used an incorrect curing time. If you remember the incorrect time you used, place the part back in the curing unit for necessary time remaining. If you do not remember the incorrect time, place part back in curing unit for increments of five minutes until part is fully cured. A fully cured part will have no discernable areas of tackiness or oiliness.
  2. Ensure you properly cleaned and dried the printed part, according to your printer's Post-Processing Guide. Place the part back in the curing unit for increments of five minutes until part is fully cured.
TS2 Part is not fully cured on one area, but is on others

WEAR 100% nitrile gloves whenever handling GREEN parts/resin.

  1. Do not crowd the glass plates with too many parts. One part might block UV light from reaching another.
  2. Check in the curing chamber to see if there are any obstructions that would prevent UV light from hitting one side of a part. This can include, but is not limited to:
    1. Cured resin on a UV lamp
    2. Cured resin on the shelving unit - either on the metal frame or the glass plates
  3. Check the Lamp-Time display to see how many hours are logged. If it is more than 1,000 hours, it is time to change your lamps.
  4. If items 1-3 do not resolve the issue, contact 3D Systems Service.
TS3 Power light is on, but timer display is not
  1. Unplug the machine. Wait 30 seconds, plug it back in, and start it up.
  2. If item 1 does not resolve the issue, contact 3D Systems Service.
TS4 Machine will not power on
  1. Check the I/O switch on the back of the machine and ensure it is in the I position. This must be true for the front power button to work.
  2. Ensure the machine is fully plugged in on both the curing-unit side and at the wall.
  3. Unplug the machine. Wait 30 seconds, plug it back in, and attempt to start it up.
  4. If items 1-3 do not resolve the issue, contact 3D Systems Service.
TS5 Machine is very hot to the touch on the outer shell The machine has a built-in cooling system. A high temperature could indicate an issue with this. Cease use and contact 3D Systems Service immediately.
TS6 UV lamp broke inside the machine Please see the section Broken Fluorescent Lamps.
TS7 Offensive odors emitting from machine
  1. Change your carbon filter, according to the section Changing Out the Carbon Filter.
  2. If issue persists, there may be an issue with the unit's air-extraction fan. Contact 3D Systems Service.