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Hach PAT700 - Diagnostics; Data Log, Firmware, and Lamp Review

Hach PAT700
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1. Push << to show the sliding menu.
2. Push DIAGNOSTICS, then select the General Tab.
Option Description
Status The color indicator shows the lamp status. Green=normal operation, yellow=marginal operation,
red=lamp fault
Hours left Shows the hours of useful lamp life until the next replacement.
Do a lamp test
1. Push << to show the sliding menu.
2. Push DIAGNOSTICS, then select the General tab.
3. Push LAMP TEST.
4. Obey the screen prompts to start the lamp test.
Note: Push the X icon at any time to stop the test.
Change to the other UV lamp
1. Push << to show the sliding menu.
2. Push DIAGNOSTICS.
3. Push SWITCH LAMPS. The lamp status light changes to the new selection.
Select a diagnostic test
1. Push << to show the sliding menu.
2. Push DIAGNOSTICS, then select the Tests tab.
3. Select the necessary test. Obey the screen prompts to start the test.
Note: Push X at any time to stop the test.
Validate the RS232 connection
Use the RS232 test icon to test serial communication from the serial port. The printer port is used as
a return port. The analyzer sends serial data out one serial port and reads the data on the other. If
the read data matches the sent data, the test passes.
1. Push <<
to show the sliding menu.
2. Push DIAGNOSTICS, then select the Tests tab.
3. Push RS-232 TEST.
4. Disconnect the printer and the RS232 serial connections.
5. Connect a serial cable between the serial ports of the analyzer (from one serial port to the other).
6. Push START.
Validate the digital I/O communication
Use the digital I/O test icon to test digital I/O communication. The test toggles the state on each
digital output, then reads the state on each of the digital inputs. The results are shown on the screen.
1. Push << to show the sliding menu.
2. Push DIAGNOSTICS, then select the Tests tab.
3. Push DIGITAL I/O TEST.
4. Connect the digital inputs of the analyzer to a system that can send a digital signal.
5. Configure one digital input with a high signal and the other with a low signal.
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