Product Service 1-800-522-7658
Section Seven –
Electrical System Service Operations
NOTE: In order to properly service the Logic+, you must obtain a Logic+
Certifier Kit, Labconco P/N 3858400. Qualified certifiers can obtain this kit by
contacting Labconco Customer Service Department at 800-821-5525.
Fluorescent Lamp
Lamp Identification
All Logic+s use dual fluorescent lamps. The lamp information is shown in Table
8-1. The code of the lamp part number is as follows:
F25T8 TL741
F = fluorescent lamp
25 = the lamp Wattage
T8 = the lamp mounting configuration
TL741 = the phosphor used in the lamp
Note: The phosphor of the lamp determines the color and intensity of
the lamp. Not matching the phosphor may affect the quality and/or
color of the light.
Table 7-1
Fluorescent Lamp Specifications
Fluorescent Lamps (2 each)
Fluor. Lamp Labconco Part #
Fluor. Ballast Labconco Part #
Fluor. Ballast Robertson Part #
Changing the Fluorescent Lamp
1. Unplug the cabinet or turn the System Reset Switch, located on the top of the
cabinet, off.
2. Remove the front dress panel as noted in Figure 6-1.
3. Remove the fluorescent lamps by pulling the lamp sockets straight off each end of
the lamp, and releasing both lamps from the spring clips that secure them in place.
4. Install the new lamps by reversing the removal procedure.