Teledyne 3000ZA-3X operating instructions Cleaning, Troubleshooting

Maintenance 3000ZA-3X

∙Sample system

∙Power Supply

∙Microprocessor

∙Displays

∙5 digit LED meter

∙2 line, 20 character, alphanumeric, VFD display

∙RS-232 Communications Port

See the drawings in the Drawings section in back of this manual for details.

5.6 Cleaning

If instrument is unmounted at time of cleaning, disconnect the instrument from the power source. Close and latch the front-panel access door. Clean outside surfaces with a soft cloth dampened slightly with plain clean water. Do not use any harsh solvents such as paint thinner or benzene.

For panel-mounted instruments, clean the front panel as prescribed in the above paragraph. DO NOT wipe front panel while the instrument is controlling your process.

5.7 Troubleshooting

Table 5-2: Troubleshooting

Problem	Possible Cause	Solution
Erratic readings of the	Analyzer may have	Recalibrate analyzer,
oxygen concentration	been calibrated in an	making sure the
as reported by the	inaccurate fashion.	proper gas is fed, the
analyzer		proper sensor is
		selected, and the
		proper value of span
		gas is input.
Teledyne Analytical Instruments			50