Instrument Diagnosis - TESTO 340 Instruction Manual

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E.6 Instrument diagnosis
Important operating values and instrument data are displayed. A gas path check can
be carried out. The status of the sensors and any device errors not yet rectifi ed can be
displayed.
Calling up the function:
.
Inst' diagnosis

-or-
.
Performing a gas path check:
1 OK .
Gas path check

2 Place the black sealing cap on the tip of the fl ue gas probe.
- The pump fl ow is displayed. If the fl ow rate 0.02 l/min, the gas paths are not lea-
king.
3 End the check: OK .
Viewing device errors:
OK .
Error diagnosis

- Unrectifi ed errors are displayed.
View next/previous error:
Viewing the sensor diagnosis:
1 OK .
Sensor check

- Possibly: Gas zeroing (30 s).
2 Select the sensor: , .
- The status of the sensor is displayed.
www.
, .
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