6700 Portable Sampler User Manual - Isco

6700 SAMPLERS
Example 8 Resetting the Internal Battery Warning
1
2
3
4
5
6
The circuit boards can be
damaged from a discharge
of static electricity. Always
use an antistatic mat when
opening the controller to
protect the circuit boards.
Note
CAUTION
Poor soldering techniques can
easily damage a printed circuit
board. The battery should be
replaced by a skilled technician.
RUN
PROGRAM
VIEW REPORT
OTHER FUNCTIONS
MAINTENANCE
MANUAL FUNCTIONS
PROGRAMMING STYLE
HARDWARE
SET CLOCK
SET PUMP ALARM
INTERNAL BATTERY
DIAGNOSTICS
WARNING!
REPLACE INTERNAL
BATTERY BEFORE
17-OCT-97
DID YOU REPLACE THE
INTERNAL BATTERY?
YES NO
MAINTENANCE
MANUAL FUNCTIONS
PROGRAMMING STYLE
HARDWARE
3. Remove the EMI shield and grounding straps by loosening the
five 1 /4-inch stop nuts.
4. Disconnect the module, liquid detector, and pump count connectors
from the main circuit board (Figure 20).
5. Remove the three screws and the 1 /4-inch stud attaching the
main circuit board to the case.
6. Detach the main circuit board from the keypad connector by
pulling gently upward on the edges of the board next to the
connector. Pull the main board up until the keypad connector
is almost even with the edge of the case. Next, detach the main
circuit board from the connector board.
7. Desolder the lithium battery, using care to prevent damage to
the circuit board. Insert the replacement battery and solder it
in place.
8. Reconnect the main circuit board to the connector board before
reconnecting it to the keypad. Replace the 1 /4-inch stud and
the three screws, and reconnect the module, liquid detector,
and pump count connectors.
9. Replace the EMI shield and grounding straps. Reconnect the
two distributor connectors.
10. Ensure that all connections and hardware are secure.
Replace the desiccant and close the case.
11. Reset the battery alarm.
Select OTHER FUNCTIONS.
Select MAINTENANCE.
Select INTERNAL BATTERY.
The sampler displays this screen briefly to show you the expiration date.
After replacing the battery, select YES. Select NO only if checking the
expiration date.
Resetting the alarm directs the sampler to calculate a new expiration date,
five years in the future. If you reset the alarm without replacing the battery,
the sampler will not be able to alert you to the battery’s impending
expiration.
Press Stop to return to the main menu.
80