Fieldmann FDLM 1020, Instruction Manual, Page: 12 / 72

…….. 12 .
TROUBLESHOOTING
All errorsoir failures will be shown as codes. The following table explains the
measning of codes and solutions.
Suspected malfunctions are often due to causes the user can fix themselves.
Therefore check the product using this section .In most cases the pro blem can be
solved quickly.
WARNING!
Only perform the steps described within these instruction s! All further inspection
,maintenance and repair work must be performed by an authorized service centre
or a similarly qualified specialist if you cannot solve the problem yourself!
Code Cause Corrective Measure
204 Calculation error
Refer to the user manual, repeat the
procedures.
208 Excessive current Please contact your distributor
220 Battery low Replace new batteries
252 Temperature too high
Cool down device within temperature 0 -
40˚C
255
Received signal too weak or
measurement time too long
Use target plate or change a good
reflective surface
256 Received signal too strong
Target too reflective, use target plate or
do not aim at strong light objective
261
Outside of the range of
measurement
Select the measurement distance within
the range of measurement
500 Hredware error
Switch on/off the device several times. If
symbol still appears, please contact your
distributor