9
Error Messages
An error message means the instrument has detected
something wrong when making an optical measurement.
A common cause is contamination in the optics. Cleaning the
optics (see Cleaning the Optics) is therefore recommended
when any error message occurs.
If error messages E1 to E6 appear during testing, try cleaning
the optics (see Cleaning the Optics on the following page) or
contact your local Palintest Branch or Distributor.
E7
External light is entering the test cell, or there is
contamination affecting the internal light path.
Clean the optics (see below), clean the test tube,
ensure light cap is fitted correctly and use
instrument away from bright light.
E8
Indicates a fault in an optical component. Instrument
requires a service and recalibration.
E9
Insufficient light received during blanking. Check that
the ‘blank’ is the correct tube. Remove any debris
obstructing light in the cell holder and clean the optics
(following page).
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