TM 10-6665-297-13&P4-5TROUBLESHOOTING(continued)4-5.1GeneralPreparationsForTroubleshooting. (continued)4.With power on, adjust detector operating voltage in accordance with instructions in paragraph2-6. 7.4-5.2TROUBLESHOOTINGCHARTS.Troubleshooting charts (Figure 4-1) outline steps to detect andremedy faulty conditions that cause meter to read off zero under fresh air conditions, warn and alarmcircuit failure, more-or-less-than-full-scale meter pointer deflection in response to 100% L. E. L.signals, fail circuitry malfunction, and faulty module response to gas conditions at the detector.Troubleshooting procedures follow the order in which one circuit is dependent upon the others;therefore deviations from the steps outlined in the charts are likely to result in inefficient andineffective troubleshooting.23-96177/1/764-5
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