Troubleshooting - Hach QbD1200 User Manual

Install a firmware update
Locate the firmware update file on the product website. Save the file from the website to a USB flash
drive, then do the steps that follow to install the firmware upgrade.
1. Push Maintenance>Update Firmware.
2. Put the USB flash drive into a USB port. A list of files shows.
3. Select the setup.exe file for the firmware update.
4. Push Update.
5. Push Yes to confirm the update. The analyzer will reboot when the update is complete.
Prepare for shipment
The instrument must be decontaminated before it is shipped. All fluids must be drained from the instrument.
1. Push Maintenance>Prepare for Shipment.
2. Open the instrument door.
3. Remove the GLS water vessel. Refer to
4. Discard the water into a drain.
5. Install the GLS water vessel back into the instrument.
6. Push Drain Analyzer to remove all liquid from the instrument.
7. When the instrument completes the draining procedure, the instrument is ready for shipment.

Troubleshooting

Problem
The measurement does not start.
The system test fails.
The measurements take too much
time to complete and/or the results
are consistently too low.
The UV reactor does not work.
The sample is not found.
N O T I C E
Product overview
Possible cause
An error occurred during
measurement setup.
An error occurred during the
system test.
A hardware component failure
occurred.
The UV reactor is almost expired.
The fittings around the reactor are
loose.
The UV reactor is expired or
damaged.
There is not enough solution in the
reagent bottle.
The sample tube is not connected
to the auto sampler or it is not in
the sample flask.
A hardware failure.
on page 5.
Solution
• Set the instrument power to off,
then to on.
• Contact technical support if
necessary.
• Make sure that the carrier gas
supply is correctly connected.
• Contact technical support if
necessary.
Replace the UV reactor. Make sure
that there is a sufficient quantity of
carrier gas.
Make sure that the fittings around
the reactor are tight.
Replace the UV reactor. Contact
technical support.
Fill the reagent bottle with solution.
Make sure that the sample tube is
connected to the auto sampler or
that it is in the sample flask.
Make sure that there is a sample to
use for the procedure. Contact
technical support.
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