5 First steps
39
>
[Options]
→
Delete Record
: Delete the chosen record.
>
[Options]
→
Number of Lines
: Change the number of
measuring values per display page.
>
[Options]
→
Delete all Records
: Delete all saved records for a
location.
5.5.
Instrument diagnosis
Important operating values and instrument data are displayed. A
gas path check (testo 330-2 LL) can be carried out. The status of
the sensors and any device errors not yet rectified can be
displayed.
Calling up the function:
>
[
]
→
Instrument Diagnosis
→
[OK]
.
or
>
[ i ]
.
Carrying out a gas path check (testo 330-2 LL)
1.
Gas Path Check
→
[OK]
2.
Place the black sealing cap on the tip of the flue gas probe.
- The pump flow is displayed. If the volumetric flow rate is less
than 0.02 l/min, the gas paths are not leaking.
3.
End of check:
[OK]
.
Viewing device errors:
>
Error Diagnosis
→
[OK]
.
-
Unrectified errors are displayed.
> View next / previous error:
[
▲
]
,
[
▼
]
.
View sensor diagnosis:
1.
>
Sensor Diagnosis
→
[OK]
.
2. Select sensor.
[
▲
]
,
[
▼
]
.
-
The status of the sensor is indicated by a lamp.
A sensor is able to recover. It is therefore possible that the
sensor status indication changes from yellow to green or
from red to yellow.
View instrument information:
>
Device Information
→
[OK]
.
- Information
is
displayed.
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