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Firmware
Updates
Accessing the
Service Mode
Thermo Fisher Scientific
be worn while handling any internal component
antistatic wrist strap is not available, be sure to touch a grounded metal
object before touching any internal components. When the instrument is
unplugged, the chassis is not at earth ground.
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
firmware in all low-level processors. Refer to the iPort manual for the
firmware update procedure.
If the Service Mode 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
Model 48i Trace Level-Enhanced Instruction Manual
Servicing
Firmware Updates
(Figure
7–1). If an
▲
▲
.
▲
7-3
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Troubleshooting
