horiba LAQUAact-PD110, Instruction Manual

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Troubleshooting
91
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The response is slow
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The indicated value does not change/No response
Cause How to solve problem
The electrode is dirty. Clean the electrode.
The electrode is cracked. Replace the electrode.
The wrong internal solution is
being used.
Use the correct internal solution.
The response of electrode is
affected by the sample solution.
It is important to select an electrode that is appropriate
for the sample. Consult your dealer. To confirm an
electrode that is appropriate for the sample, check the pH
electrode selection guide in our catalogue, or refer to our
website.
Cause How to solve problem
The electrode is cracked. Replace the electrode.
The electrode is not connected
correctly.
Connect the electrode correctly.
Keys are locked.
Turn off the power, remove the batteries, and then turn
on the power again.
The instrument is in HOLD state. Cancel the HOLD state.
Instrument defect Consult your dealer.