Xylem ProLab 4000 - Manual (Page 201)

ProLab 4000 What to do if...
201 ba75646e03 12/2012
CalClock
with red frame
Cond temp?
16.4 General errors
Meter does not react to
keystroke
Time is lost
Cause Remedy
– Calibration interval expired – Recalibrate the measuring
system
Cause Remedy
– Test sample does not have the
correct temperature (max. ± 2
°C temperature difference from
calibration temperature)
– Adjust the temperature of the
test sample
Cause Remedy
– Operating condition undefined
or EMC load unallowed
– Processor reset:
Press the <On/Off> and
<SC> key simultaneously.
Cause Remedy
– Buffer batteries empty – Exchange buffer batteries
(see page 195)