Operating Instructions - Snap-on Equipment

Operating Instructions - Snap-on Equipment Operating Instructions - Snap-on Equipment

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Pocket PC Maintenance1 2 3Figure 2G-22: Standards Screens: (1) ASM 5015, (2) ASM 2525, and (3) IM240New NO x SensorNew NO x sensor procedure is required when the cell is replaced, however periodicrecalibration is necessary as prompted during the normal Gas Calibration sequence(see Resetting NO x Cell Output Voltage, page 2G-6). Perform a new NO x sensorinitialization whenever the NO x sensor is replaced, which should only be done byqualified personnel or when the NO x warning appears.To perform a new NO x sensor initialization,1. Press the Maintenance button on the main menu.— The Maintenance menu displays.2. Choose Setup.— The Setup menu displays.3. Choose New NO x .— The NO x Sensor Initialization screen displays.2G-18

Pocket PC MaintenanceFigure 2G-23: NO x Sensor Initialization Screen4. Make sure the exhaust hose is connected to the exhaust port.5. Select Start to begin NO x sensor initialization.The procedure then followed is the conventional gas calibration procedure.See Gas Calibration, page 2G-1.If the new NO x sensor initialization fails,Figure 2G-24: NO x Sensor Initialization Fail Screen1. Verify that the gauge(s) read at least 30 psi.2. Verify that the gas bottle is properly attached.3. Re-run the new NO x sensor initialization.4. Check the calibration gas bottle values.2G-19

Pocket PC MaintenanceFigure 2G-23: NO x Sensor Initializati<strong>on</strong> Screen4. Make sure the exhaust hose is c<strong>on</strong>nected to the exhaust port.5. Select Start to begin NO x sensor initializati<strong>on</strong>.The procedure then followed is the c<strong>on</strong>venti<strong>on</strong>al gas calibrati<strong>on</strong> procedure.See Gas Calibrati<strong>on</strong>, page 2G-1.If the new NO x sensor initializati<strong>on</strong> fails,Figure 2G-24: NO x Sensor Initializati<strong>on</strong> Fail Screen1. Verify that the gauge(s) read at least 30 psi.2. Verify that the gas bottle is properly attached.3. Re-run the new NO x sensor initializati<strong>on</strong>.4. Check the calibrati<strong>on</strong> gas bottle values.2G-19

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