16Troubleshooting Before calling a service supplier,please check the following possible causes.If... Possible cause How to fixWhite or glitteringflakes floating inthe hot water.Rough milky whitesubstancess areadhered to innercontainer.● The cause of this is “scale”. (see P.14)It is not flakes of fluororesin.*Water with a large content of minerals in itsuch as mineral water or ionized water, ismore likely to cause a scale or white layer inthe hot water.● Clean the inner container with awet soft sponge. (See P.14)● If the “scale” still remained, cleanwith citric acid. (See P.15)Boiling soundsbecome louder.● When “scale” adhered, boiling sounds becomelouder.Hot water hasodors of chlorine. ● Odors of chlorine remain depending on theamount of chlorine in tap water.● Press key to reduce thechlorine. (See P.10)Hot water has anunpleasant odor.● When the unit is new, resin used in manufacture may give off a mild odor.This will disappear with use.● If the unit is placed on surfaces such as a vinyl sheet, the odor may be carried over into thewater.Hot water comesout by itself.● Water has been added above maximum waterlevel. ● Lower the water level.Hot water does notflow out smoothly.● The mesh filter may be clogged with “scale”.(See P.14)● When scale is accumulated in the inner containerand remaining hot water is low, hot water doeshot flow out smoothly.● Immediately after boiling, hot water may not flowout smoothly.● Clean the filter with a brush.● If the “scale” cannot be removed,replace the filter (See P.17)The indicator lightsflash alternately.● Overheating protection has been activated(See P.9) ● Add water and press key.● The indicator lights may flash alternately byadding boiling water or the way the water issupplied. ● Press key.● When the inner container is cleaned with citricacid, citric acid have built up on the bottom.● Disconnect the plug, and stir thecitric well to dispose.Hot water doesnot dispense. ● The automatic lock has been engaged. ● Press key.● If the problem is not fixed after checking the above possible causes, or if you think something is strange, disconnect thebody plug from the unit. Wait at least 10 seconds and then re-connect the plug.● The semi-transparent inner part inside the lid may become yellowish. This does not affect operation of the unit.● The rattling noise in the lid is made by small ball-shaped components which prevent water from flooding outif the unit topples over.● If the room temperature is very high, the outside of the main unit may reach about 50°C.The unit does notturn on electricity. ● You poured in water directly from a tap.● It is broken if the electriccomponents are taken in water.Contact the stores where youpurchased for repair.● You put the unit on the sink.● You turn the unit upside down with its bottom wet.● You washed the unit in water.“Reboil” and “80”indicator lightsflash alternately. ● This is malfunction of the sensor.● Contact the stores where you purchased.Troubleshooting01_HK_OM_NC-EG2200_3000_4000_EN.indd 1601_HK_OM_NC-EG2200_3000_4000_EN.indd 16 7/16/2558 BE 14:127/16/2558 BE 14:12