5800 Refrigerated Sampler Service Guide - Isco

More documents

Recommendations

Info

5800 Refrigerated Sampler Service Guide Section 4 CPU and Power Supply Test refrigeration control input and outputs Display refrigerator temperature Display PCB temperature Display compressor duty cycle Display input voltage Refrigeration/Temperatures T30 This test outputs two 100ms pulses on each of the four refrigeration control outputs. A pulse is output first on the compressor output (5V on P1-1), then the refrigerator fan (5V on P1-3), then the cabinet heater (5V on P1-2). There is a 100ms pause between each pulse. Returns OK to indicate completion T33 Returns OK to indicate completion This test reads the resistance on the refrigeration air temperature input (P3-5 and P3-6) and returns it as a temperature in degrees C. It then reads the refrigeration evaporator temperature input (P3-1 and P3-3), and returns it as a temperature in degrees C on a new line. T34 This test reads the temperature from the on-board temperature sensor and returns this value in degrees C. T50 The duty cycle is computed from the state of the compressor; this data is stored at one-minute intervals. Power T35 This test measures and returns the nominal 12V input voltage to the board. Additional input power testing: Reduce power input at P10. Power Fail alert measured at TP7. Goes low when 12V power to board falls to about 8 volts. Measure the current draw of the board from the 12V supply (Power In at U11). Measure the 5V power at W18 to DGND (W17). Measure the 3.3V power at P5-1 to DGND (W17). Measure the -3.3VA power at W9 to AGND (W10). Display battery voltage Display loaded battery voltage Table 4-2 CPU Board Functional Tests (Continued) Function Command Results T36 This test measures and returns the voltage of the lithium battery. T37 This test measures and returns the voltage of the lithium battery with the 20K resistor loading the battery. Returns OK to indicate completion Returns duty cycle as a percent of ON time for the compressor over the last 4 hours. Returns OK to indicate completion Returns OK to indicate completion Returns OK to indicate completion Returns the battery voltage at one second intervals for 15 seconds. Returns OK to indicate completion Additional battery testing: Measure the standby current draw from the battery. Remove the 12V power from the board to perform this test. Using a meter that can read down to 0.01 millivolt, measure this current by measuring the voltage between TP8+ and TP90-. The voltage should be less than 4mV. 4-10
5800 Refrigerated Sampler Service Guide Section 4 CPU and Power Supply Display flash memory serial number T38 This test returns the serial number of the flash memory chip. Each flash chip has a unique 16-character serial number in hexadecimal format. Returns OK on a new line after the serial number line when done. Turn off backlight T39 Turns off the backlight for the LCD module. Returns OK to indicate completion Turn on backlight T40 Turns on the backlight for the LCD module. Returns OK to indicate completion Turn on CPU heater Save data in flash memory Retrieve time of CPU test Table 4-2 CPU Board Functional Tests (Continued) Function Command Results T41 This test applies full power (100%) to the heater resistor on the CPU board. This will last for 10 seconds and then the power will be turned off. Test Data Returns OK to indicate completion 4.4 Control Panel Some issues involving the 5800 control panel may indicate that a 60-5804-031 60-5804-152 (Chinese) T99 Returns OK to indicate completion This command saves the calibration values for the analog input measured in tests T04, T09, and T20. It also saves the current real-time clock time and date as the time the board was tested. Therefore, the real-time clock should be set before issuing this command. T98 This command displays the time and date of the CPU test as saved from the T99 command, thereby serving as verification for the T99 test. Returns: CPU TEST = HH:MM DD-MON-YY OK (A time/date of 00:00 1-JAN-77 means the time/date has not been saved.) software update is required. Verify that the sampler has the latest software version before replacing the control panel. 4.4.1 Software Version Select SYSTEM IDS to view the sampler’s software version. SELECT OPTION: () SYSTEM IDs Select the SYSTEM IDs option and press Enter twice. HARDWARE: ___ SOFTWARE: _._ This screen lists the version numbers of the installed hardware and software. Press Enter to return to the SELECT OPTION screen. To update the sampler’s software, refer to Section 1.5 Software. 4-11
Page 1:
5800 Refrigerated Sampler Service G
Page 4 and 5:
Isco 5800 Refrigerated Sampler Serv
Page 6 and 7:
Page 8 and 9:
Page 10 and 11:
Page 12 and 13:
Page 14 and 15:
Page 16 and 17:
Page 18 and 19:
Page 20 and 21:
Page 22 and 23:
Page 24 and 25:
Page 26 and 27:
Page 28 and 29:
Page 30 and 31:
Page 32 and 33:
Page 34 and 35:
Page 36 and 37:
Page 38 and 39:
Page 40 and 41:
Page 42 and 43: 5800 Refrigerated Sampler Service G
Page 122 and 123: 5800 Refrigerated Sampler Electrica
Page 124 and 125: 5800 Refrigerated Sampler Electrica
Page 126 and 127: Isco 5800 Refrigerated Sampler Serv
Page 142 and 143:
Page 144 and 145:
Page 146 and 147:
Page 148 and 149:
Page 150 and 151:
Page 152 and 153:
Page 154 and 155:
Page 156 and 157:
Page 158 and 159:
Page 160 and 161:
Page 162 and 163:
Page 164 and 165:
Page 166 and 167:
Page 168 and 169:
Page 170 and 171:
Page 172:
show all

5800 Refrigerated Sampler Service Guide - Isco

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?