Help49N Sub monitor station/BatteryProblem Cause & Solution Pageflashes and 2 short beepssound.LThe battery level is low. Charge the battery immediately. 16Even if you place the sub monitorstation on the charger, theCHARGE indicator does not lightup.LThe AC adaptor is disconnected from the power outlet orthe charger. Plug the AC adaptor into the power outlet or thecharger firmly.LThe sub monitor station is not placed on the charger correctly.Replace it securely. (A short beep sounds and the CHARGEindictor lights in solid red.)LThe charge contacts are dirty. Clean them with a soft, dry cloth.LThe battery is new or discharged. Place the sub monitor stationon the charger and wait for a few minutes.16165216The CHARGE indicator does notgo off after the battery has beencharged for about 7 hours.LWhen the power of the main monitor station is turned off or“OUT OF RANGE” is displayed on the sub monitor station, thecharging time will become longer. Make sure the power of themain monitor station is turned on, and charge the sub monitorstation in a location near the main monitor station where “OUTOF RANGE” disappears.16Even if the sub monitor stationhas been charged, flashesafter using it a few times.LThe battery is at the end of its life. Replace the battery with anew one.52The sub monitor station, the ACadaptor, or the charger is warm.LThis is normal. (It may feel a little warmer in summer than inwinter.) If it feels very hot, disconnect the AC adapter from thepower outlet and contact our service personnel.―N OthersProblem Cause & Solution PageThe main monitor station, thesub monitor station, and thedoor station do not work during apower failure.L The unit does not work during a power failure. The date andtime may be reset to the default setting after a power failure. Inthis case, set the date and time using the main monitor stationagain.17L “DEMO MODE” is displayed.L You cannot answer the call ormake an intercom call.L Demo mode is activated. Change the setting to “OFF”. 39L The unit does not work withcorrect operations.L The unit does not work properly.LPerform the following operation (Reset).Main monitor station:Press the RESET switch on the bottom of the main monitorstation with a pointed object. (Recorded images and theprogram settings are not affected.)Sub monitor station:Remove the battery and insert it again.– Program settings are not affected.– is displayed. However, the actual battery level ismaintained.10―