Message Codes; General Rule - Leica DISTO classic User Manual

Message Cause
code
203 Wrong entry
204 Calculation
error
252 Temperature above Cool down
50°C (measuring)
253 Temperature below
-10°C (measuring)
255 Receiver signal
too weak,
Measurement
time too long
Distance < 250 mm
256 Receiver signal
too powerful
257 Wrong
measurement;
ambient brightness
too high
All other messages Call service

General rule:

In case of
several times and check if message is still
displayed. Then call service and specify the
message displayed.
Reset message with
messages switch on/off instrument
or
56
Remedy
Repeat entry
Repeat
procedure
instrument
Warm up
instrument
Use target plate
Measurement
time > 10 sec.
Use target plate
(correct side)
Use target plate
„System"
quick-switch off