Photometer Lamp Replacement - Thermo Scientific 49i Instruction Manual

Photometer Lamp
Replacement
Thermo Fisher Scientific
The Calibrate Bench Temp screen appears.
Note If Service is not displayed, refer to
page 7-4, then return to the beginning of this step.
4. Wait at least 10 seconds for the reading to stabilize, use
and to enter the known temperature, and press
save the temperature value.
5. Remove thermometer or replace thermistor if removed.
6. Install the cover.
Use the following procedure to replace the photometer lamp
Equipment required:
Photometer lamp
Allen wrench, 7/64-inch and 3/32-inch
Philips screwdriver
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap must
be worn while handling any internal component.
Use the following procedure to replace the photometer lamp.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Disconnect the photometer lamp cable from the LAMP connector on
the photometer board.
3. Remove the two screws from the photometer lamp access hole cover on
the rear panel and remove the cover.
4. Slide the insulation off the end of the lamp.

Photometer Lamp Replacement

""Accessing the Service Mode"
(Figure
Model 49i Instruction Manual
Servicing
on
to
7-11).
7-27