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Servicing
Firmware Updates
Firmware
Accessing the
Service Mode
7-2
Model 43i Trace Level-Enhanced Instruction Manual
DO NOT point the photomultiplier tube at a light source. This can
permanently damage the tube.
DO NOT attempt to clean the mirrors in the optical bench. These mirrors
do not come in contact with the sample gas and should not be cleaned.
Cleaning the mirrors can damage the mirrors.
Handle all printed circuit boards by the edges.
Do not remove the LCD panel or frame from the LCD module.
The polarizing plate is very fragile, handle it carefully.
Do not wipe the polarizing plate with a dry cloth, it may easily scratch the
plate.
▲
Do not use alcohol, acetone, MEK or other Ketone based or aromatic
solvents to clean the LCD module, use a soft cloth moistened with a
naphtha cleaning solvent.
Do not place the LCD module near organic solvents or corrosive gases.
Do not shake or jolt the LCD module.
Figure 7–1. Properly Grounded Antistatic Wrist Strap
The firmware can be updated by the user in the field via the serial port or
over the Ethernet. This includes both the main processor firmware and the
Updates
firmware in all low-level processors. Refer to the iPort manual for the
firmware update procedure.
If the Service Menu is not displayed on the Main Menu, use the following
procedure to display it.
1. At the Main Menu, press
press
The Service Mode screen appears.
▲
▲
to scroll to Instrument Controls >
>
to scroll to Service Mode > and press
▲
▲
▲
▲
Thermo Fisher Scientific
▲
▲
.
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Troubleshooting
