30 Freedom HFS Owner’s GuideWarning MessagesWarning messages in the form of audible alarms and error codesthat appear on the display panel screen to alert you to an impendingsystem change. Warnings do not affect operation.With the exception of the error codes displayed on the screen, onlythe audible alarm can be turned ON or OFF. Follow the steps in “Toadjust the alarm setting:” on page 13 to change the alarm settings.The error codes are listed in Table 5 below. The text in the ErrorCode column appears on the display screen of the display panel.Table 5 Error Codes Displayed on the Display Panel ScreenError Code Condition Mode Action Low battery voltage shutdownis imminent depending on thesetting, see “Operating Limits”on page 23.Inverting • Check battery status and recharge if necessary.• Check for proper DC cable sizing.• Check for loose connections and tighten if necessary. High battery voltage shutdown > 16.7 volts DCInverting • Check for external charging sources, such as an over voltagealternator, and disconnect if necessary. AC output overload shutdown Inverting • Reduce the loads connected to the AC outlet of the unit.• Check appliances that have high-surge ratings and disconnect ifnecessary. Over-temperature shutdown Inverting • Reduce the loads connected to the AC outlet of the unit.• Check that the ventilation grille is not blocked.• Check for ambient temperature and move the unit to a coolerlocation whenever possible.Freedom HFS IC Owners Guide.book Page 30 Friday, September 11, 2015 2:54 PM