Troubleshooting, If a measurement error occurs, refer to – Hach-Lange PHC805 User Manual User Manual

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1. Put the filling-hole cap in the filling hole (refer to

Product overview

on page 2).

2. Rinse the probe with deionized water. Dry the probe with a no-lint cloth.
3. Fill the probe soaker bottle half full with the applicable Storage Solution (refer to

Specifications

on page 1) .

4. Loosen the soaker bottle cap and put the soaker bottle on the probe.
5. Turn the soaker bottle cap clockwise to tighten the soaker bottle cap.
6. Make sure that the solution in the soaker bottle fully covers the glass bulb and the

reference junction.

Rehydration
If the glass bulb becomes dry:

1. Soak the probe tip in the 4.01 and 7.00 buffers each for 5 minutes.
2. Rinse the probe with deionized water. Blot dry with a no-lint cloth.
3. Calibrate the probe.

Troubleshooting

Message or symptom

Possible cause

Action

Probe not supported

Software not updated

To download the most current version of the software,
refer to the applicable product page on the
manufacturer's website.
Refer to the HQd Series meter documentation for more
information.

HQd meter does not sense the
IntelliCAL

®

probe

Contact technical support.

Connect a probe or probe
requires service

Probe not connected correctly

Disconnect, then connect the probe. Tighten the locking
nut.

Software not updated

To download the most current version of the software,
refer to the applicable product page on the
manufacturer's website.
Refer to the HQd Series meter documentation for more
information.

Large number of methods stored
on probe

If the probe has a large number of stored methods, more
time is necessary for connection. Do not disconnect the
probe, continue to let the probe connect.

Damaged probe

Make sure that there is connectivity with another probe or
meter to confirm isolated issue with probe. Contact
technical support.

pH reading and/or mV reading
is same for all solutions

Soaker bottle not removed

Remove the soaker bottle.

Electrical issue

Contact technical support.

Standard not recognized error Soaker bottle not removed

Remove the soaker bottle.

Incorrect buffer or contamination
in the buffer solution

Use fresh buffer solution as specified in the method.

Contamination in the filling
solution

Drain and replace the filling solution with fresh solution.

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