Maintenance
23
en
10
Maintenance
If necessary: Change batteries.
Every month: Check calibration.
Maintenance must only be performed by experts.
Only authentic spare parts may be used for maintenance.
10.1
Cleaning
CAUTION
Do not submerge in liquid.
Do not use cleaning agents containing alcohol or solvents.
Clean the device with a disposable tissue.
10.2
Accuracy check
If the date is expired the
Service required accuracy check
(on page 4 section "Illustrations and Screens") is shown on the display.
An accuracy check must be performed.
The accuracy check can be performed at any time.
Before performing the accuracy check the data must be saved on
a PC. Downloading the data of the device and clearing it’s memory
can be performed with Dräger Diagnostics software (on page 28
section "Order list")software. The accuracy check doesn’t affect
the calibration settings.
1. Enter the menu (on page 18 section "Menu") before the expiry date
has been exceeded.
2. Choose
Accuracy check
from the menu by pressing
OK
.
The display shows the calibration gas to be used (on page 4
section "Illustrations and Screens").
3. Choose
Next
by using
DOWN
and
OK
.
Supply gas
is shown in the display.
