Carmanah A704-5 Owner's Manual
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Owner’s Manual | Model A704-5 Aviation Lighting System33© 2008 Carmanah Technologies CorporationLast revised: April 2008Symptom Hypothesis Verification Solutionpower cycle thecontroller, seeAppendix B: PowerCycling theController.The controllerPassthrough LEDflashes SOS (3short, 3 long, 3 short)The radio module may befaultyCall Carmanah for service.The controllerflashes 3 red flashesPush button lockout Follow the instructions to toggle out of pushbutton lockout.6.1 Critical Low Battery Recovery MethodA critical low battery condition occurs when the A704-5 batteries have been discharged to a point wherethe A704-5 cannot resume normal operation and battery damage is likely. In this state, the light will brieflyflash about every 10 seconds, and the red and green indicator LEDs will light up during the cycle. Batteryreplacement is recommended, although some batteries will respond to the following advanced rechargemethod.This is an advanced method and should be carried out by personnel familiar with theequipment outlined below. Perform in a room temperature (~68°F (20°C)) environment.Required equipment: Power supply capable of 10V, 5A Custom cable harness to connect all cells in series Temperature sensorAdvanced recharge method1. With the battery pack disconnected, turn the power supply on3. Adjust the open circuit power supply voltage to 10V4. Adjust the power supply current limit to 5A5. With the power supply still on, connect the power supply to the battery6. Monitor the battery voltage and terminal temperature periodically for five hours (see below forrecharge monitoring guidelines)7. Once the recharge attempt is complete, disconnect the power supply from the battery (while thepower supply is still on) |
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