horiba LAQUA-EC1500, Instruction Manual

Page: 70 / 80

Error Messages and Troubleshooting
52
Repeatability of the measured value is poor
Nothing appears when the power is turned ON
Swelling of keypad
Part of the display is missing
Cause Solution
Effect of the sample solution. Repeatability becomes poor as the
conductivity value of the sample changes
over time.
The conductivity electrode is dirty. Clean the conductivity electrode.
The conductivity electrode is broken. Replace the conductivity electrode.
Cause Solution
Instrument defect. Consult your dealer.
Cause Solution
Using the instrument at high elevation
or other location where the air pressure
is different from sea level.
To eliminate the pressure difference between
the inside and outside of the instrument, briefly
open and then close the serial connector cover.
After opening, correctly close the cover to
maintain dust and water proofing.
Instrument defect. Consult your dealer.
Cause Solution
Instrument defect. Check the display by switching ON the
instrument when all the LCD segments are lit.