Hach-Lange 2100 N Laboratory Turbidimeter User Manual - Manual (Page 41)

Table 7 Error codes (continued)
Error Description Solution
ERR03 Low light error
1. Put the sample in the instrument again.
2. Make sure that the lamp light is on.
3. Make sure that an object is not in the light
path.
4. Do sample dilution if necessary.
Note: If this error occurs when a filter assembly other
than the USEPA filter assembly is installed, the filter
assembly should not be used for turbidity
measurements.
ERR04 Memory malfunction
1. Turn the instrument off and then back on.
2. Contact Technical Support if the error
occurs again.
ERR05 A/D is over the range
1. Make sure that the light shield is closed.
2. Contact Customer Service if necessary.
ERR06 A/D is under the range
1. Make sure that no object is in the light
path.
2. Contact Customer Service if necessary.
ERR07 Light leak
1. Make sure that the cover for the sample
cell compartment is closed.
2. Turn the instrument off and then back on.
ERR09 Printer time out error
1. Make sure that the external printer is
connected correctly.
2. Make sure that the external printer is
selected (online).
Table 7 Error codes (continued)
Error Description Solution
ERR10 System voltage out of
range
1. Turn the instrument off and then back on.
2. Contact Customer Service if the error
occurs again.
ERR11 System loop test error
1. Turn the instrument off and then back on.
2. Contact Customer Service if the error
occurs again.
Diagnostic codes
Table 8 lists the diagnostic codes that are used to get information about
instrument operation when instrument operation is in doubt.
To do a diagnostic test:
1. Push and hold down the right arrow key for 3 seconds.
2. Use the arrow keys to enter a diagnostic code.
3. Push ENTER to show the diagnostic value.
4. Push UNITS/Exit to go back to Measurement mode.
Note: To print a diagnostic report, hold down PRINT, then turn the instrument on.
Table 8 Diagnostic codes
Code Display Description
21 Pr In Printer test
22 Test results are shown. Display test
23 Test results are shown. Keyboard test
24 Test results are shown. Memory test
Delete calibration data
To delete any calibration data entered by the user:
English 39