Fuse Replacement Procedure
The EC-Series 400 Watt Power Supply utilizes two Line-Input Fuses. These Fuses are external and are located
in the Power Cord Receptacle at the rear of the Power Supply Housing. The Fuses are 6.25 Amp, slow-blow
Fuses.
WARNING! Electrical shock hazard. Exercise extreme care when replacing Fuses. Make sure only qualified
personnel perform Fuse replacement and that all Power Switches are off and the Power Cord is unplugged.
Replacing External Fuses
1. Turn the Power Switch on the Power Supply off.
2. Unplug the Power Cord from the electrical source.
3. Unplug the Power Cord from the Power Cord Receptacle at the rear of the Power Supply Housing.
4. Place a small, flat-blade screwdriver into the notch at the top of the Plug Recess and pull the Fuse
Cover downwards approximately 70°. The Fuse Retainer should be exposed and should be removed
by pulling it straight out (Figure 16).
Figure 16. Replacing Fuses in the Power Supply
5. Slide out the blown Fuses and replace with new 6.25 Amp, slow-blow Fuses.
CAUTION: It is important to replace this Fuse with the same 6.25 Amp rated, slow-blow type Fuse.
6. Slide the Fuse Cover 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 clean the Bulb 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 system can be removed with isopropyl alcohol and a clean cloth.
To Next Page