70
SECTION 8, continued
8.3 Diagnostic Functions
The diagnostic mode permits access to system function information that is useful
primarily when the instrument function is in doubt. Hach service technicians use
the information for precise troubleshooting, speeding repairs, and avoiding
unnecessary service returns.
Access diagnostic information by pressing and holding the RIGHT ARROW key for
3 seconds. Use the ARROW keys to edit the display to read the diagnostic code
number of interest. Press the ENTER key to display the diagnostic value.
8.3.1 Basic Diagnostic Codes
Access the Table 6 diagnostic information by entering the appropriate code:
Table 6 Diagnostic Codes
Code Display Description
00 bP on/bP of Keyboard Beeper On/Off
01 FS Pr/SL Pr Fast/Slow Print Device
21 Pr ln Printer Test
22 * Display Test
23 * Keyboard Test
24 * Memory Test
25 xxxxx 90° Detector mV, Gain 1
26 xxxxx 90° Detector mV, Gain 10
27 xxxxx 90° Detector mV, Gain 100
28 xxxxx 90° Detector mV, Gain 1000
29 xxxxx Forward Scatter Detector mV, Gain 1
30 xxxxx Forward Scatter Detector mV, Gain 10
31 xxxxx Forward Scatter Detector mV, Gain 100
32 xxxxx Forward Scatter Detector mV, Gain 1000
33 xxxxx Transmitted Detector mV, Gain 1
34 xxxxx Transmitted Detector mV, Gain 10
35 xxxxx Transmitted Detector mV, Gain 100
36 xxxxx Transmitted Detector mV, Gain 1000
37 xxxxx Transmitted Detector mV, Gain 10,000
38 xxxxx Transmitted Detector mV, Gain 100.000
39 xxxxx Transmitted Detector mV, Gain 1,000,000
41 xxxxx A/D Reference Low mV, Gain 1
45 xxxxx A/D Reference Low mV, Gain 10
46 xxxxx A/D Reference Low mV, Gain 100
47 xxxxx A/D Reference Low mV, Gain 1000
48 xxxxx A/D Reference Medium mV, Gain 1
49 xxxxx A/D Reference Medium mV, Gain 10
50 xxxxx A/D Reference Medium mV, Gain 100
51 xxxxx A/D Reference Medium mV, Gain 1,000
52 xxxxx A/D Reference High mV, Gain 1
53 xxxxx A/D Reference High mV, Gain 10
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Tài liệu sưu tầm của Trung Sơn - www.tschem.com.vn - 028.3811.9991 - info@tschem.com.vn
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