44
5 Maintenance
4. Wait until the displayed reading is stable. A
Status: OK
mes-
sage will appear.
5. Press
OK
to confirm.
6. Stop the test gas supply.
If the
Status: OK
message does not appear within a reasonable
amount of time, this may be due to the following:
Cause
Corrective action
Connections leaking
Repeat check, checking the
seal on the connections
Measurement values outside
the specified limit values
)
Adjustment required
(see Section 5.2
Changing the test gas concentration
If no test gas with the specified concentrations is available for
the test, the values can be changed according to the test gas
used under
Test gas
in the adjustment menu
).
5.2
Adjustment
A
NOTICE!
The device may only be adjusted by specialist technicians
in well ventilated rooms or in the open air. Incorrect adjust-
ment can lead to incorrect measurement results.
