Section 12 Troubleshooting; Introduction; Error Codes - Hach 2100AN Instrument Manual

SECTION 12

12.1 Introduction

12.2 Error Codes

Code Probable Cause
Dilution water is greater than
ERR01
0.5 NTU
Two calibration standards have
ERR02 the same value, or their difference
is less than 60.0 NTU.
ERR03 Low light error
ERR04 Memory malfunction
ERR05 A/D over-range
ERR06 A/D under-range
ERR07 Light leak
ERR08 Bad lamp circuit
ERR09 Printer time-out error
ERR10 System voltage out of range
ERR11 System loop test error.
ERR12 ASC units name error.
ERR13 ASC points error.
ERR14 Invalid time error.
ERR15 Invalid date error.
TROUBLESHOOTING
The Model 2100AN Laboratory Turbidimeter incorporates a number of error
codes and self-diagnostic functions for convenient and effective system
troubleshooting.
Error codes may be initiated due to instrument malfunction or operator error.
error codes are cleared from the display by pressing the
ERRXX
instrument continues operating in the error condition; a calibration in progress can
be continued. Table 5 lists the error codes displayed for specific conditions.
Table 5 Error Codes
Corrective Action
Start calibration over with better quality dilution water before use.
Recheck preparation of standards and repeat
calibration.
Re-insert 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.
Be sure cover is closed and appropriate Filter Module is installed. Call Hach
service.
Check light path for obstruction. Call Hach service.
Be sure cover is closed. Switch instrument off and back on with I/O.
Ensure lamp lead ends are not touching. Ensure lamp leads are inserted in
terminal block. Call 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.
Enter an ASC unit name that is not one of the default units (NTU, EBC, etc.).
ASC points must be entered in ascending NTU order. At least two ASC points
must be entered.
Time must be between 00-00 and 23-59.
Date must be between 01-00 and 12-31.
95
key. The
ENTER