Section 8 Troubleshooting; Introduction; Error Messages - Hach 2100N Instruction Manual

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SECTION 8

8.1 Introduction

8.2 Error Messages

Code Probable Cause
Err01 Dilution water calculated to be >0.5 NTU
Two calibration standards have the same
Err02 value, or their difference is less than 60.0
NTU. Standard 1 is too low (<10 NTU)
Err03 Low light error
Err04 Memory malfunction
Err05 A/D overrange
Err06 A/D underrange
Err07 Light leak
Err08 Bad lamp circuit
Err09 Printer timeout error
Err10 System voltage out of range
Err11 System loop test error
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TROUBLESHOOTING
The Model 2100N Laboratory Turbidimeter has several self-diagnostic functions
and Error Codes to permit convenient and effective system troubleshooting.
Error messages may be initiated due to instrument malfunction or operator error.
error codes are cleared from the display by pressing the
Errxx
meter continues operating in the error condition; a calibration in progress can be
continued. Any calibration being calculated (at the time the message appears) is
discarded; the old calibration is retained. Table 5 lists the error codes displayed for
specific conditions.
Table 5 Error Codes
Start calibration over with higher quality dilution water, or filter water
with a membrane filter before use.
Recheck preparation of standards and repeat calibration.
Reinsert sample.
Check that lamp is on. Check for obstructed light path. Dilution may
be necessary.
Switch instrument off and back on with I/O. Call Hach Service.
Contact Hach Service.
Contact Hach Service.
Close the sample cell cover. Use the I/O switch to turn the instrument
off and then back on.
Contact Hach Service.
Check that external printer is properly connected. Check that
external printer is selected (on-line).
Switch instrument off and back on with I/O. Call Hach Service.
Switch instrument off and back on with I/O. Call Hach Service.
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ENTER
Corrective Action
key. The