PROBLEM SOLVING
This section outlines various warning and error messages which the operator may receive during general
operation of the instrument. For further assistance please contact Technical Support at Geotech on +44(0)1926
338111 or email technical@geotech.co.uk.
Warning and error display
When switched on the instrument will perform a pre-determined self-test sequence taking approximately 15
seconds. During this time many of the instrument’s working parameters and settings are checked.
If any operational parameters are out of specification or the pre-programmed recommended calibration/service
date has passed, errors or warnings may be displayed.
Use the ‘Scroll up’ and ‘Scroll down’ keys to move through the list if required.
Only three warnings/errors can be displayed at any time.
To ascertain if more errors have occurred use ‘Key 8’ – Scroll down’ and ‘Key 2’ - Scroll up’ through the list.
Warnings displayed:
All warnings displayed will be prefixed by the word WARNING followed by a relevant description.
There are two types of warning that may be displayed:
1) General warnings that may not affect the instrument’s function and those where the self-test has
detected a function that is outside the usual programmed operating criteria, e.g. battery charge low,
memory nearly full.
2) Operational parameters that could affect the performance of the analyser: Cell out of calibration,
CH4 out of calibration, CO2 out of calibration.
The most likely reason for the errors is either an incorrect user calibration or sensor failure. If an incorrect user
calibration has caused the warning it should be correctable by way of returning the instrument to factory
settings, zeroing or carrying out a user calibration as necessary for the relevant function.
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