TESTO 330, Instruction Manual

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5 First steps
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> [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.