RedMax BHT250PD60 Workshop Manual

6.5 Troubleshooting of the battery and battery chargerSymptom Possible causes Recommended stepNo LEDs flash on the battery whenyou press the start button.Defective battery. Replace the battery.A warning sign shows a constant redlight on the battery when the start but-ton is pressed.Defective battery. Replace the battery.A warning sign flashes red on the bat-tery when the start button is pressed.Temperature is too high. Wait until the battery has becomecool (or insert in charger to let it be-come cool faster).Low voltage. Charge the battery.Temperature too low. Make sure that the battery tempera-ture is higher than -10° C.Defective battery. Replace the battery.The battery shows less than 100% af-ter a full charge. (Usually 96-97%).Some ratio of the charge may beused up by the electronics.None. The charger restarts when thecharge level is less than 95%.Charger does not start and no LEDscome on when the battery is attach-ed.Defective connection between charg-er and battery.Make sure that the power plugs be-tween the charger and the battery areclean and not damaged.Defective battery. Check battery start.Defective charger. Disconnect charger from the mainsoutlet for a minimum of 1 minute andthen connect to the mains outletagain. Make sure that the fan startsand that the green LED comes on forapproximately 3 seconds. If not, re-place the charger.A red warning sign flashes on thecharger when the battery is attached.Defective connection between charg-er and battery.Make sure the power plugs betweenthe charger and battery are not dirtyor damaged.Battery temperature too high. Let the battery become cool in thecharger (1-5 min).Ambient temperature too low. Make sure that the ambient tempera-ture is above 5°C.Battery temperature too low. Make sure that the battery tempera-ture is higher than 5°C.Defective battery. Make sure that the battery is in orderby pressing the battery start button. Aminimum of 1 green LED must comeon. If not, replace the battery.Defective charger. Disconnect charger from the mainsoutlet for a minimum of 1 minute andthen connect to the mains outletagain. Make sure that the fan startsand that the green LED comes on forapproximately 3 seconds. If not, re-place the charger.Solid red warning sign on chargerwhen put into mains outlet.Defective charger. Replace the charger.Solid red warning sign on chargerduring charging.Defective charger. Replace the charger.580 - 001 - 27.03.2018 Troubleshooting - 23