TM-051 PN 35903 EC Series Models 38105, 38100, 38110
Rev 04/16/08
15
CAUTION:
IT IS IMPORTANT TO REPLACE THIS FUSE WITH THE SAME 6.25 AMP RATED, SLOW BLOW TYPE.
6. Slide the fuse holder back into the receptacle until it is fully seated, then rotate the cover upward until it
latches.
7. Install the power cord and connect it to the electrical power source.
8. Turn the power switch "ON."
Cleaning:
Periodically remove and clean the optional glass UV filter if installed. Follow Step 5 in Lamp Replacement Procedure for
removal. Clean with any standard glass cleaner or use isopropyl alcohol for heavy deposits. Reinstall the glass filter by
following Step 2 of
INSTALLATION
procedure.
NOTE:
The optional glass filter for the 2000 EC loses its ability to transmit UV over time. This is due to “solarization” of
the glass caused by the intense UV radiation. Cleaning can extend the useful life of the filter, but its transmission should
be monitored periodically and replaced as necessary.
FAILURE TO REGULARLY CLEAN THE GLASS UV FILTER WILL RESULT IN REDUCED UV OUTPUT TO
THE RESIN BEING CURED, THEREBY INCREASING THE TIME REQUIRED TO ACHIEVE OPTIMUM
CURE.
Periodically clean the lamp and reflector surfaces. A soft, clean cloth and any standard glass cleaner should
be used. Heavier deposits may require cleaning with isopropyl alcohol.
CAUTION:
CLEANING THE REFLECTOR WITH A ROUGH OR DIRTY CLOTH WILL RESULT IN A DULLED
SURFACE, THEREBY, REDUCING REFLECTANCE AND DECREASING UV OUTPUT. USE ONLY A SOFT, CLEAN
CLOTH.
Any uncured resins spilled onto the light source can be removed with isopropyl alcohol and a clean cloth.
TROUBLESHOOTING
NOTE:
ONLY QUALIFIED MAINTENANCE PERSONNEL SHOULD ATTEMPT THE FOLLOWING PROCEDURES:
Problem: Lamp Will Not Ignite
Other Symptoms: Lamp Flickers, Won’t Maintain Operation
Possible Cause
Troubleshooting Method
Corrective Action
Improperly Fastened
Connections
Visually inspect all connections to and
from the power supply.
Secure all connections.
Main Line Fuses Blown
Remove fuses from power receptacle
and check with an ohmmeter.
Replace fuses, if defective.
Corroded Lamp Bases
Visually inspect the lamp bases for
ANY signs of corrosion.
Replace the lamp bases if corrosion
exists (both lamp bases should be
replaced at the same time).
Lamp Beyond Useful Life
Replace lamp with known good lamp
and re-test unit.
Replace lamp if defective (typical
lamp life = 2000 hours).
Power Supply Board Failed
Check output voltage on power supply
board. Set oscilloscope to: 20ms/div
100V/div
Expected value 290-340Vrms Square
Wave. Replace power supply board if
defective.
Ignitor Malfunctioned
Verify open circuit voltage from ignitor.
Set oscilloscope to: 50us/div
1000V/div
Expected value 4-5KV ignition pulse
superimposed on the square wave.
Replace if defective.
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