Hach-Lange 2100 N IS Laboratory Turbidimeter User Manual - Manual (Page 37)

Table 6 Error codes (continued)
Error Description Solution
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).
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 7 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 SETUP.
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 7 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:
1. Turn off the instrument.
2. Push and hold CAL.
3. Turn on the instrument.
The CAL? light flashes. The instrument starts in Calibration mode.
4. Calibrate the instrument before use.
Flashing 9s
When manual ranging is selected, the display will flash all 9s when the
sample being measured is greater than the selected range.
When automatic ranging is selected, the display will flash 9s when the
sample is greater than the maximum range of the instrument.Refer to
Measure over-range samples on page 22.
Flashing 0s
When manual ranging is selected, the display will flash all 0s when the
sample measured is less than the selected range.
When automatic ranging is selected, the display will flash all 0s when the
measurement is less than the range of the instrument or a negative
value. Calibrate the instrument.
English 35