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Troubleshooting
Problem
The control panel and handpiece display does not light up. Buttons do not respond.
Corrective action
Check the AC electrical outlet, power cord, and power input on the light to verify that all connections are secure
and that AC power is on at the outlet. Verify that the power switch is in the ON ( I ) position.
Problem
The control panel display lights up but the handpiece display does not light. Lamp does not start when the
ACTIVATOR button on the handpiece is pressed.
Corrective action
Being careful not to look directly at the distal end of the light guide, press the START/STOP button on the
front panel. If the lamp does not come on, move to the next step. If the lamp comes on, recheck the light guide
connections. Disconnect the light guide and firmly reinstall, making sure that it is plugged in all the way. Rotate
the light guide 1/4 to 1/2 turn in the light guide receptacle. Look for the display to light up on the handpiece. If
the display on the handpiece responds, try starting the light again with the ACTIVATOR button.
Problem
The control panel display lights up and the CONTROL WHEEL and TIMER SELECT button work, but the
START/STOP button and ACTIVATOR button do not start the lamp.
Corrective action
Contact Den-Mat Holdings, LLC for technical support at 1-800-433-6628.
Problem
Light output is low or curing of the composite is slow.
Corrective action
Verify the light guide is plugged all the way into the receptacle on the front of the unit. Check the tip for
contamination, scratches, or breaks. Clean the tip with composite solvent. Check the light guide for damage.
Follow instructions for checking and replacing the lamp.
If corrective action does not resolve the problem, contact Den-Mat Holdings, LLC for technical support at
1-800-433-6628. This includes possible lamp replacement or return of the system for repair.
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