Replacing The Battery - Agilent Technologies 6890 Series Service Manual

Gas chromatograph

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Replacing the battery

Before proceeding, turn off the main power switch.

Make sure you are properly grounded with an ESD strap before continuing.

Removing the battery while the instrument is unplugged erases all user

entered setpoints, methods and sequences.

The 3V battery for the 6890 GC supplies the power to retain user entries in

memory, such as programmed methods and sequences, in the event of a power

failure or when the instrument is unplugged. The battery is located in the

lower left corner of the main board.

To replace the battery, slide the battery down and pull the battery out of the

bottom first.

Figure 430-10

Location of the battery on the main board

Agilent 6890 Gas Chromatograph Service Manual

Power/Electronics Replacement

Replacing the battery

6890a 6890 plus