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4.1 Read operating mode
4.2 Leakage test
The current status (mode) of the exhaust-
gas analyzer module is displayed.
Depending on when this menu is started,
the following modes may be displayed:
z Leakage test
z Warm-up phase
z Standby
z Error message
This menu allows you to perform a leakage
test manually to check the tightness of the
exhaust-gas analyzer module.
Seal off the exhaust-sample probe with
the plastic hose or the test bush and
confirm by pressing E or clicking OK.
Follow the instructions on screen.
The pump is then switched on and off in
cycles over a period of approx. 3 sec. until
a certain level of vacuum is reached. After
this, the exhaust-gas analyzer module
measures the drop in pressure over a
period of 15 s. The time is counted back-
wards from 15 s to 0.
Remove the seal from the exhaust-sample
probe and confirm by pressing E or
clicking OK.
If the leakage test is failed, perform trou-
ble-shooting as described in Section 8.
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