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Trouble Shooting Guide
Problem
Probable Cause
Unit does not zero
Zero button has not been operated
Unit still does not zero
If reading is greater than 0.05 and constantly fluctuation
return to local service centre.
‘Bat’ appears on display
Replace battery immediately 9V NEDA 1505 or equivalent
EC Declaration of Conformity
This is to certify that model 610/615/620/625 conform to the protection requirements of
the council directive 89/336/EEC, in the approximation of laws of the member states
relating to Electromagnetic compatibility be application of the following standards
EN50081-1 1992 Emissions Standard
EN50082-1 1992 Immunity Standard
To ensure conformity with these standards, this instrument must be operated in
accordance with the instructions and specifications given in this manual.
page 11
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