Page 134
Diagnostics
8.4.6 Pump test
The pump test icon allows you to test pumps. See Figure 112.
Before the pump test, you must place a 50 mL graduated cylinder at the analyzer's water
outlet. No tubing should be used. A bottle must be installed in position 2 to enable the
pump to be primed. When you touch the run icon, the analyzer pumps water for 30
seconds, then prompts you to input the volume pumped, as measured in the graduated
cylinder. After you’ve input the volume, touch the return icon to accept the results or the
cancel icon to reject them.
Calibrate pump icon opens the calibrate pump dialog box. See Figure 113.
Start/stop pump icon starts and stops the pump. Touching the start pump icon opens
the pump valve and the grab sample bottle valve, then starts the pump. The pump runs
indefinitely until you press the stop pump icon. Both valves then close, and the pump
stops.
Prime pump icon opens the pump valve and the grab sample valve, then starts the
pump. The pump runs long enough to prime, then it stops. Both valves then close.
Load bottles icon opens the load bottles dialog box. See Figure 110, page 132.
Unload bottles icon takes you to the unload/replace bottles dialog box. See Figure 111,
page 133.
Return icon returns you to the diagnostics dialog box.
Figure 112 Pump test dialog box
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