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5 Maintenance
Note:
When testing the indication accuracy for Inspection above
ground using test gas 10 ppm in 10 seconds it is not possible
to check the test gas. Instead, a message will appear explaining
what steps need to be carried out.
3. Add the test gas
4. Wait until the displayed readings are stable. A Status: OK
message will appear.
5. Press OK to conrm.
6. Stop the test gas supply.
The device switches back to the Dev. test... menu. A Test gas
OK message will appear.
7. Repeat for further test gases if applicable.
Once all tests have been successfully completed, the complete
test of the indication accuracy with supply of test gas is also
complete.
Test gas test unsuccessful
If a Test gas … test was not carried out successfully, the message
Test gas not OK appears.
A test may be unsuccessful for the following reasons:
Cause Corrective action
Connections leaking Repeat check, checking the
seal on the connections
Measurement values outside
the specied limit values
(see Section 7.3)
Adjustment required
(see Section 5.2)
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