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4.
Maintenance
In service is needed, please contact Compur Monitors Service in Munich or your local
representative. Minor maintenance work such as battery replacement, or generator cell
exchange, can be performed by observing the following instructions.
Please observe the following notes:
) Use a grounded conductive pad.
) Wear a conductive wrist strap connected to your work pad.
4.1
Battery Replacement
If the red LED turns on, the battery needs replacement.
Internal battery (9V battery)
1 Remove the four screws on the backside of the instrument.
2 Separate the top and bottom halves of the generator housing. (Use caution as the LED
wires are attached to the top case)
3 Remove the old battery.
4 Insert the new battery.
5 Attach the top cover and tighten the screws.
External battery pack (COCl
2
only)
1 Unplug the battery pack from the gas generator and remove the four screws on its
backside.
2 Open the battery pack and remove the old batteries.
3 Insert the new batteries (4x1,5 V size C), close the battery pack and tighten the screws.
) For the 1.5 V size C batteries, it is recommended to only use Duracell Ultra M3 or Varta
High Efficiency Alkaline. Use of other batteries may cause flashing of the battery LED
during a gas test.
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