Thermo Scientific 42i Instruction Manual page 228

Servicing
Front Panel Board Replacement
Front Panel Board
Replacement
7-44 Model 42i Instruction Manual
10. Wait at least 10 seconds for the reading to stabilize, use
and to enter the flow sensor reading, and press
save the value.
11. Install the cover.
Use the following procedure to replace the front panel board
22).
Equipment Required:
Front panel board
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly ground antistatic wrist strap must
be worn while handling any internal component.
1. Turn instrument OFF, unplug the power cord, and remove the cover.
2. Remove the three ribbon cables and the two-wire connector from the
front panel board.
3. Pop off the board from the two top mounting studs and remove the
board by lifting it up and off the slotted bottom support.
4. Replace the front panel board by following previous steps in reverse.
to
(Figure 7–
▲
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