
Troubleshooting
91
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Repeatability of the measured value is poor
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Nothing appears when the power is turned ON
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Part of the display is missing
Cause
How to solve problem
Effect of the sample solution
Repeatability becomes poor when the pH of the sample
changes over time.
The electrode is dirty.
Clean the electrode. (Electrode cleaning solution 220 or
250 is recommended.)
The electrode is cracked.
Replace the electrode.
The internal solution of the
electrode runs out or
contaminated.
Replace the internal solution with new one.
The level of internal solution in
reference electrode is low.
Replenish the internal solution of the reference electrode
until it is higher than the level of the sample.
Cause
How to solve problem
Power is not supplied.
Connect the AC adapter.
Instrument defect
Consult your dealer.
Cause
How to solve problem
Instrument defect
Check the display in full screen state when turning ON
the power of the instrument.
Summary of Contents for LAQUA-PC1100
Page 1: ...Benchtop pH ORP Conductivity Meter LAQUA PC1100 Instruction Manual CODE GZ0000427795 ...
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Page 117: ...2 Miyanohigashi Kisshoin Minami ku Kyoto 601 8510 Japan http www horiba com ...