Cobra CJIC 250 CJIC250_MANL - Page 11
Troubleshooting, Applications &
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Applications & Troubleshooting Applications AC Appliance Watts Required Cordless Phone (Stand-by) 5 Weather Radio 8 Portable Stereo 10 Florescent Work Light 14 Fan 20 Laptop Computer 25 Incandescent Lamp Work Light 40 13" Color Television 60 DC Appliance Watts Required Cellular Phone 6 Portable CD Player 10 Portable Cooler 30 * All run times are estimates Hours* 16 10 7 4 4 3 1.5 1.25 Hours* 14 9 3 Troubleshooting Buzzing in audio systems and radios Some inexpensive stereo systems and AM-FM radios have inadequate internal power supply filtering and "buzz" slightly when powered by the power pack. Generally, the only solution is an audio product with a higher quality filter. Television interference The power pack is shielded to minimize its interference with TV signals. However, with weak TV signals interference may be visible in the form of lines scrolling across the screen. The following should minimize or eliminate the problem: • Increase the distance between the inverter and the TV, antenna and cables. • Adjust the orientation of the inverter television, antenna and cables. • Maximize TV signal strength by using a better antenna and use shielded antenna cable where possible. WARNING: Electric shock hazard Do not remove the cover of the unit or disassemble. The unit does not contain any internal user-serviceable parts and attempting to service the unit yourself could result in electrical shock or burn. 16 Troubleshooting Problem Cause Solution The power pack can not jump The battery in the power pack Charge it for at 23 hours start vehicle is not fully charged The engine start capacity exceeds the power pack jump start capacity. The charging status LED indicator does not light. The power pack's battery has Replace the power pack's been damaged battery (consult service technician). No AC power at the AC wall Ensure power is available at the outlet. AC wall outlet. AC charging adapter is faulty. Replace 120V AC charger The charging status LED The AC charger's output is too Replace the AC charger indicator still lights red and has low. not charged to steady after 50 hours of charging. The AC appliance does not AC appliance rated more than Use AC appliance with a power operate; audible alarm is not 80W, the safety overload has rating less than 80W. sounding. tripped. AC appliance rated less than 80W, high starting surge has tripped the safety overload. AC appliance may exceed the power pack's surge capability. Use an AC appliance with a starting surge within the power pack surge rating. Battery has discharged to 10V Recharge the battery. Inverter has overheated due to Allow the power pack to cool for poor ventilation or excessively 15 minutes or more. Clear warm environmental condition. blocked fan opening or remove objects covering the unit, then restart the power pack. Move to a cooler environment. Run time for appliance is less Internal battery is not fully than expected. charged, AC appliance power consumption is higher than expected. Recharge using the AC charger, until the charging status LED indicator light green. Check AC appliance power or wattage rating (or current draw for 12V DC appliance). 17
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