Section 8

Troubleshooting

 

 

 

 

 

Problem/Display screen

 

Likely Cause

Action

 

 

 

 

Absorbance > 3.5!

 

The measured absorbance exceeds 3.5

Dilute the sample and repeat the

 

measurement

 

 

 

 

 

 

 

Concentration too high!

 

Calculated concentration is higher than

Dilute the sample and repeat the

 

999999

measurement

 

 

 

 

 

 

Error

 

 

 

Barcode controlnumber?

Deviation to the stored data

Data updating

Please update program data!

 

 

 

 

 

 

Error

 

 

Data updating

Program not available.

 

Barcode cuvette test missing

 

 

Please update program data!

 

 

 

 

 

 

Error

 

The cuvette is soiled or there are

Clean the cuvette; allow the particles to

Clean Cuvette

 

undissolved particles in the cuvette

settle

 

 

 

 

Error

 

The lamp output is too low

Check the lamp and replace it if

Please check the UV Lamp.

necessary

 

 

 

 

 

Error

 

 

Check the lamp and replace, if

Selfcheck stopped.

 

 

 

Self Check Test stops while starting the

necessary.

Please check the lamp.

 

 

instrument

Close the lid.

Please close the lid.

 

 

 

Press Start Again.

Error [xx]

 

 

 

 

 

 

 

 

 

Error

 

 

Remove the cuvette/sample cell from

Selfcheck stopped.

 

Self Check Test stops while starting the

 

the cell compartment.

Please remove the cuvette

instrument

Press OK.

Please close the lid.

 

 

 

 

 

 

 

 

 

Error Sipper?

 

Kink in tube

Check the tube connections

 

Peristaltic pump failure

 

 

 

 

 

 

 

Error

 

 

Contact the manufacturer or a sales

Selfcheck stopped.

 

 

 

Electronic defect

representative and indicate the error

Hardware error.

 

 

 

number

Error [x]

 

 

 

 

 

 

 

 

 

Negative result!

 

The calculated result is negative

Check the concentration of the sample

 

 

 

 

 

 

Error in the test database / user

Check the programming

No evaluation!

 

Contact the manufacturer or a sales

 

database

 

 

representative

 

 

 

 

 

 

 

Over measuring range

 

The measured absorbance is above the

Dilute the sample and repeat the

 

calibration range of the test

measurement

 

 

 

 

 

 

 

 

The measured absorbance is below the

If possible, select a test with a lower

Under measuring range

 

measurement range or use a cuvette

 

calibration range of the test

 

 

with a longer path length

 

 

 

 

 

 

 

127

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Image 127
Hach DR 5000 user manual Section Troubleshooting, 127