Troubleshooting - Onda V-11 SCAN Instruction Manual

Scale Set the Coordinate value.
Left Moves the cursor to the left point (peak) to point(peak).
Right Moves the cursor to the left point (peak) to point(peak).
Mode %T Change the mode to %T.
Mode Abs Change the mode to Abs.
Point/Peak Peak Change the search mode point/peak.
12.

Troubleshooting

Review the information in the table below to troubleshoot operating problems.
Problem
Power on, no response
Measurement uncertainty Sample is not Stable
Dark Current Error when
self-check
System Calibrate Failed
Measurements inaccurate Cuvettes were contaminated
Cause
Power cord connection is not reliable Improve connectivity
Fuse burning
Glass cuvettes used in UV Range
The concentration of sample is too
high
Power Supply Voltage Low or not
Stable
Lamp damage or lamp life maturity
The lid of the compartment is open
during self-check
Something block the Light path
Samples were contaminated
Worse matching of the cuvettes
Dark current error
31
Solution
Replace fuse
Improve the sample
Use quartz cuvettes
Diluted sample
Improve the Power Supply
Replace lamp
Close the lid, restart
Remove it, calibrate again
Clean cuvettes
Improve samples
Improve the matching of the
cuvettes
Resample dark current
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