Troubleshooting
Review the information in the table below to troubleshoot operating
problems.
Problem
Power on, no response
Measurement uncertainty
Dark Current Error when
self-check
System Calibrate Failed
Power on, back light is
OK, but nothing display
on the screen or display
is not clear
Measurements inaccurate
Repair and Maintenance
3. Daily Maintain
Check the Compartment
After measurement, the cuvettes with sample solutions should be taken
Cause
Power
cord
connection
is not reliable
Fuse burning
Warm up is not enough
Glass cuvettes used in
UV Range
Sample is not Stable
The
concentration
sample is too high
Power
Supply
Low or not Stable
Lamp damage or lamp life
maturity
The
lid
of
compartment
is
during self-check
Something
block
Light path
Display
Contrast
problem
Cuvettes
contaminated
Samples
contaminated
Worse matching of the
cuvettes
Dark current error
Solution
Improve connectivity
Replace fuse
Warm up more time
Use quartz cuvettes
Improve the sample
of
Diluted sample
Voltage
Improve
Supply
Replace lamp
the
open
Close the lid, restart
the
Remove
again
Adjust
potentiometer
were
Clean cuvettes
were
Improve samples
Improve the matching of
the cuvettes
Resample dark current
the
Power
it,
calibrate
the
contrast