Room Air Conditioner OWNER'S MANUAL ? Please read before ? carefully and thoroughly operating this unit. Contact the authorized SVC man for this manual repair or maintenance of this unit. ? Contact the installer for installation of this unit. ? The is not intended for use by young infirm persons without supervision. children should be supervised to ensure that appliance children ? Young they do Prior to or not play with the appliance. installation, this air-conditioning approval by the utility which provides electricity (EN 61000-3 Norm). unit must be submitted for service Safety precautions Safety Precautions Warning To ................................2 Caution .................................3 before operation user or other people and property damage, the instructions must be followed. Incorrect operation damage, the seriousness is classified due to ignoring of instruction will cause by the following harm or indications. WARNING WARNING Operating Instructions Preparation to the prevent injury following ..4 This symbol indicates the possibility of death or serious possibility of or damage injury. Remote Control Features .....5 Operation CAUTION CAUTION Mode Selection ......6 This symbol indicates properties only. Additional features ..............12 TroubleshtingpCadMcOISfyP 2 the The items to be followed Care and Maintenance are classified injury to by the following symbols. Care and Maintenance .......15 Operation Tips ....................18 Never Do This Troubleshooting tips Always Before You Do This Call For Service ...............19 WARNING WARNING Plug in the power Do not plug properly. operate inserting ? Otherwise, it will cause electric shock or fire due to heat generation or electrical shock. ? It will cause electrical shock due to heat generation. Always perform grounding ? No or fire ? plug ? out if It may cause fire and electrical shock accident. Keep firearms It will cause electrical shock due to heat generation. It may cause It may cause ? It may shock. Do not damage or use an unspecified power cord. plug. fire ? It will ? If the supply cord is damaged, it must be cause electrical shock Do not direct airflow at or or fire. electrical shock. ? ? It may shock. or use and ? health. a install air leakage breaker dedicated switching board. No installation may cause fire and electrical shock accident. Do not open the entrance ? the power cord close tools. fire and electrical damage your during operation. It may cause electrical shock. Do not use the power cord near inflammable gas and ignitable substance (benzene, gasoline, thinner etc). heating cause This could Always the socket when it is loosed. fire and electrical room occupants only. or cause Do not away. fire. use damaged to the ? or It may cause failure of machine electrical shock. Never strange sound/smell comes out or smoke generates from the product. ? out the power Water must not be entered into electrical parts. shock Please take the power stop the unit by Do not operate with wet hands in damp environment. work. grounding may cause electrical (See Installation Manual). or pulling replaced by a special cord or assembly available from the manufacturer or its service agent. Do not modify power cord length or share the outlet with other appliances. ? or ? It may cause an explosion or fire. WARNING WARNING Open the window for ventilation before operating air conditioner or remote control Do not disassemble or modify products randomly. when gas goes out. ? It may explosion, cause fire and burn. ? It may cause failure and electrical shock. CAUTION CAUTION Never touch the metal of the unit when Do not clean the air Ventilate well when used conditioner with water. together parts removing with a stove, etc. the filter. ? It may cause an When cleaning make sure injury. the Water may enter the unit and degrade the insulation. It may cause an electric shock. ? unit, first Do not the power and breaker are turned off. put a pet or ? house An oxygen Do not Since the fan rotates at speed during operation, cause an injury. Stop operation may or wetting cause of the power taking it out. opened Do not or use Ensure that or failure of cause appliance In special animals or machine conservation of art articles. It may cause damage of animals or vegetables or loss of switch when not ? a time. long It may fire. cause failure of product or of thinner but taking carelessly. out due to the week. with doctor. ? a place heavy object There is ? danger of fire or electrical shock. cell used in Place the cell at such on the appliance, a place so eating it, immediately Operation once a without filters may failure. Do not have water drained from air conditioner. ? It may cause disorder. Where water etc enters into a stomach products, turn the power switch of the main body of appliance off. After taking the power-plug out from the socket, consult insert and filters and clean it cause power cord and take care so that the cord should not be pressed. that the children should not eat If children found Always securely use Do not strong detergent care so installation console of appliance is not damaged use for a long time. leaving appliance damaged, concern of damage due to the falling of product. soft cloth. case an the outdoor that children do not touch it. ? as Pull down the main power using it for when there is Appearance may be deteriorated due to change of product color or scratching of its surface. take plug If ? accident. as wax or use a or It may cause electrical shock and damage. ? of indoor and place obstacles absorption inlet blowing-out inlet. ? ? Catch and take out the head Do not such for appliance property. around the It may occur. of household furniture. soaking ? injure the pet may vegetables, precision plant. typhoon. with windows Operation This could it may and close the window in storm ? high ? use purpose such plant where it will be exposed to direct air flow. or ? shortage contact with the service center. SafetyPrcuionsOpgICdMTblh 3 Preparation before operation How to Insert the Batteries Remove the battery arrow direction. Insert new battery batteries are installed Reattach the cover cover by pulling making sure correctly. by sliding it according that the it back into (+) to the and of (-) position. NOTES: TroubleshtingpCadMcOISfyP 4 ? Use 2 AAA(1.5volt) batteries. Do not use rechargeable batteries. Storage and Tips For Using The remote control may be stored on a wall. ? the Remote Control by mounting it ? To operate the air room remote control at the conditioner, aim the signal receptor. Signal Receptor Receives the Operation signals from the remote Indication control.(Signal receiving beeps or one long beep.) Lamps On/Off the system operation. : Lights up during : Lights up during Sleep Timer : Lights up during Defrost Mode : Sleep sound: two short Mode Timer Mode Auto operation. operation. Lights up during Defrost Mode or Hot operation (Heat pump model only) Start OUT DOOR : Lights up during outdoor (Cooling model only) Display (Inverter only) : Indicates the Plasma : OUTDOOR UNIT OPERATION unit operation. Signal Power setting temperature and the operating frequency of compressor.(5 steps) The function illustrates its dynamic mode receptor Operation by using a indication lamps multiple lighting system. About the remote control The remote control transmits the signals to the on the system system. Features of the Remote Control- Door 1 Opened START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. Signal transmitter 5 6 4 1 OFF 7 OPERATION MODE SELECTION BUTTON Used to select the operation mode. 3 ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature. 4 INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low, medium, high and CHAOS. 5 JET COOL Used to start 6 3 ON 2 10 8 or stop the speed cooling. (Speed cooling operates super high fan speed in cooling mode.) CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up/down airflow direction. 11 SET CANCEL 7 12 9 PLASMA 2 ON/OFF TIMER BUTTONS Used to set the time of starting and stopping operation. 13 14 8 TIME SETTING BUTTONS Used to adjust the time. (See page 9 TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer 12) operation. (See page 12) Flip-up door (opened) 10 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation. (See page 12) Operation Mode 11 Cooling Operation Auto cooling 12 Operation Healthy Dehumidification Operation 13 Cooling Model( ), Heat Pump Model( or heating. (See page 13) ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. PLASMA(OPTION) Used to start or stop the plasmafunction. (See page 11) purification Heating Operation ? AIR CIRCULATION BUTTON Used to circulate the room air without ) 14 RESET BUTTON Used prior to resetting time replacing batteries. or after SafetyPrcuionsOpgICdMTblh 5 How to use the Operation Mode Selection button Cooling Operation 1 Press the a TroubleshtingpCadMcOISfyP 6 2 Start/Stop button. respond with The unit will beep. Open the door on the remote control. To select Cooling Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the Auto Cooling 3 Close the door lower than the set within a arrow. Healthy Dehumidification on Heating (Heat pump model only) the remote control. Set the room temperature temperature. The temperature can be range of 18°C~30°Cin 1°C increments. To raise the temperature To lower the temperature 4 Set the fan with the door speed again of the remote control still closed. You can select the fan speed in four steps- low, medium, high and CHAOS. Each time the button is fan Natural wind For more by the fresh CHAOS feeling CHAOS mode. In this speed according speed pressed, the mode is shifted. logic than other fan speed, press the Indoor Fan Speed Selector and set to mode, the wind blows like natural breeze by automatically changing fan to the CHAOS logic. Auto Operation 1 Press the a 2 Start/Stop button. respond with The unit will beep. Open the door on the remote control. To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the Auto Cooling 3 The arrow. Healthy Dehumidification temperature and fan speed electronic controls based on are Heating (Heat pump model only) automatically the actual room set by the temperature. If you want to change the set temperature, close the door on the remote control and press the Room Temperature Setting buttons. The cooler two will or warmer you feel, the more times (up to button. The set temperature times) you should press the be changed automatically. To raise the temperature To lower the temperature During Auto Operation: You cannot switch the indoor fan If the system is not operating It has already been set desired, manually switch by the Fuzzy rule. to another mode. The system will not cooling mode to the heating mode, or from heating mode to cooling mode, it must be done by manually resetting. During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and down automatically. If you want to stop auto-swing, press the chaos swing button again. automatically switch from the speed. as SafetyPrcuionsOpgICdMTblh 7 Healthy Dehumidification Operation 1 Press the a TroubleshtingpCadMcOISfyP 8 2 Start/Stop button. respond with The unit will beep. Open the door the remote control. To select on Dehumidification Operation, press the Healthy Operation Mode Selection button. Each time the button is pressed, shifted in the direction of the Auto Cooling the operation Healthy Dehumidification Set the fan 3 speed again mode is arrow. Heating (Heat pump model only) with the door of the remote control still closed. You can select the fan in four time the button is pressed, Natural wind the fan mode is shifted. by the fresh CHAOS logic speed, press the Indoor Fan Selector and set to CHAOS mode. In this mode, the wind more Speed steps- CHAOS. Each or speed For speed low, medium, high, feeling than other fan blows like natural breeze according to the CHAOS by automatically changing logic. fan speed During Healthy Dehumidification Operation: If you select the dehumidification mode on the operation selection button, the A/C starts to run the dehumidification function. It automatically sets the room temp. and airflow volume to the best condition for dehumidification, based on In this case, however, the setting control the room temp. either. the sensed current temp. is not room displayed temp. in the remote control and you are not able to During the healthy dehumidification function, the airflow volume is automatically set according to the optimization algorithm responding to the current room temp. status which makes the room condition healthy and comfortable even in the high humidity season. Heating Operation(Heat pump 1 Press the Start/Stop button. respond with beep. Open the door on Operation, press the remote control. To select the Each time the button Heating Operation Mode Selection button. is pressed, the operation mode is shifted in the direction of the Close the door arrow. Auto Cooling 3 only) The unit will a 2 model Healthy Dehumidification on Heating (Heat pump model only) the remote control. Set the temperature higher than the room temperature. The temperature can be set within a range of 16°C~30°Cin 1°C increments. To raise the temperature To lower the temperature 4 Set the fan speed again with the door of the remote control still closed. You the fan speed in four can select steps--low, medium, high and CHAOS. Each time the button pressed, the fan speed mode is shifted. Natural wind For more by the fresh CHAOS feeling CHAOS mode. In this speed according is logic than other fan speed, press the Indoor Fan Speed Selector and set to mode, the wind blows like natural breeze by automatically changing fan to the CHAOS logic. SafetyPrcuionsOpgICdMTblh 9 Jet Cool Operation 1 Press the a TroubleshtingpCadMcOISfyP 10 2 beep. Press the Jet Cool button to the will on 3 Start/Stop button. respond with The unit will speed cooling operate mode and the unit operate in super high fan speed cooling mode for 30 minutes. To cancel the Jet Cool mode, press the Jet Cool button or room temperature setting button again and the unit will operate in high fan speed on cooling the fan speed button or the mode. or or NOTE: During the JET COOL function at any moment, the A/C starts to blow the cool air at extremely high speed for 30 minutes setting the room temp. automatically to 18°C. It is especially used to cool the room temp. in the shortest time in a hot summer. In heat pump mode or neuro fuzzy mode, however, the JET COOL function is not available. In order to return to the normal either the or operation the JET COOL button again. mode from the JET COOL mode, you just press button, airflow volume selection or temp. setting button cooling mode selection PLASMA Purification 1 Operation(Optional) Press the Start/Stop button. respond with a The unit will beep. 2 3 Open the door on the remote control. Press the PLASMA air purifying operation ON/OFF button. Operation will start when the button is pressed and stop when the button is pressed again. Set the fan speed again closed. You can medium, high button is or PLASMA with door of the remote control select the fan speed in four steps-low, CHAOS. Each time the pressed, the fan speed mode is shifted. Air purifying operation (PLASMA) Heating or any other operations. PLASMA Air can be with cooling, Purifying Operation only If you press the only PLASMA button, PLASMA air purifying operates. only Then, fan speed is low. You can select the fan speed in four steps-low, medium, high or CHAOS. PLASMA Each time the button speed ( mode is shifed. ) is pressed, the fan SafetyPrcuionsOpgICdMTblh 11 Additional features Sleep Mode 1 Press the Sleep To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star Mode Auto button to set the time you want the unit to turn off automatically. ( 2 programmed in one-hour by pressing the Sleep Mode increments Auto The 12 the Sleep Mode will be operated at speed (cooling) or medium fan speed (heat pump only) for quiet sleeping. Sleep in period steps of Mode Button while 1 hour, press aiming IN COOLING MODE OR HEALTHY at air DEHUMIDIFICATION MODE: conditioner. The Make sure the Sleep Mode Auto LED Setting the 1 operation display. slow fan mode is available for 1 to 7 times. To sleep alter the time 3 from the Note: The button 1 to 7 times. TroubleshtingpCadMcOISfyP ) disappears The Timer is lights over up. temperature will automatically rise by 1°C the next 30 minutes and for comfortable sleeping. Press the Time Setting by 2°C in 1 hour Time Time can be set only when you have pressed the Reset button. If you have just replaced the batteries, the Reset button should be pressed 2 buttons until the desired time is set. to reset the time. Press the Start/Stop button. Press the Timer SET button. 3 SET Note: Check the indicator for A.M. and P.M. Delay Start/Pre-Set Stop 1 2 Make sure the time is set remote control correctly on the ON Press the ON/OFF Timer buttons to turn Timer on or off. Press the selected on/off 4 display. pressing aiming the OFF Setting buttons until the desired one setting Press the Timer Cancel button while remote control at the signal (The timer lamp on the display will go out.) air conditioner and the of the following four types of operation. with the unit Delay signal receptor. time is set. NOTE: Select remote control at the To cancel the timer aiming 3 SET receptor. CANCEL Press the Time setting by the Timer SET button while OFF Timer Delay ON Timer Delay running OFF and ON Timer Delay ON and OFF Timer Vertical Airflow Direction Control The up/down airflow (Vertical Airflow) adjusted by using the remote control. be can Note: If you press the CHAOS swing button, the horizontal airflow direction is changed based the CHAOS algorithm to evenly and at the same time to make the human body feel most comfortable, as if enjoying a natural breeze. Always use the remote control to adjust the up/down airflow direction. Manually moving the vertical airflow direction louver by hand, could damage the air conditioner. When the unit is shut off, the up/down airflow automatically on distribute the air in the room direction louver will close the air outlet vent of the Press the button to start the unit. Start/Stop Press Chaos Swing To system. adjust left/right(Horizontal Airflow) direction Caution : Ensure that the unit is turned off before adjusting the horizontal airflow direction control. Carefully open vertical louver to button and the louvers will allow up and down. Press the Chaos Swing button again to set the vertical louver at the swing access to the horizontal airflow direction. Adjust the left/right desired airflow direction. airflow direction hand. by Air Circulation Mode Circulates the 1 2 Press the Open air without room Start/Stop the door on cooling or button. the unit will heating. respond with a beep. the remote control. Press the Air Circulation button. Close the door remote control. Now each time that you press the Indoor Fan shifted from low to CHAOS and back to low again. CHAOS Air Fan speed is on low. Fan Speed Selector, speed is on medium. the fan Fan speed is on the speed on is high. Note: CHAOS Air economizes power consumption and automatically changed from high to low or vice versa, prevents overcooling. The fan speed is on the ambient temperature. depending SafetyPrcuionsOpgICdMTblh 13 Forced Operation Operation procedures when the remote control can't be used. The operation will pressed. be started if the power button is If you want to the button. TroubleshtingpCadMcOISfyP stop operation, re-press Power button Open the front panel upward Cooling Model Operating mode Indoor FAN Speed Setting Temperature Test Heat pump Model Room Temp. ≥ 24°C2 1 °C ≤ Room Cooling Cooling High High Healthy Temp. < 24°C Dehumidification High Room Temp. < 21°C Heating High 22°C2 2 °C2 3 °C2 4 °C operation the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of temperature and resets in 18 minutes. During test operation, if remote controller signal is received, the unit operates as remote controller sets. During room If you want to use this operation, open the front for about 3 seconds. panel upward and Press the power button let it be pressed If you want to stop the operation, re-press the button. n 14 Auto restart In power failure, Auto Restarting Operation is the function to previous operating conditions. So there is no need of activating this function by pressing any key or button. In the initial mode, the fan operates at a low speed and the compressor starts 2.5~3minutes later. As the compressor starts, the fan speed also resumes its previous setting mode. case the power comes on again operate procedures automatically after a to the Helpful information Fan speed and cooling capacity. cooling capacity indicated in the specification is the value when the fan speed is set to high, and the capacity will be lower at low or medium fan speed. High fan speed is recommended when you wish to cool the room quickly. The High Speed Telephone Control Operation(Optional) Calling from outside, you can start the air conditioner to keep the room comfortable. Even though you went out with the air conditioner on, you can turn it off using the phone Dial the number which is connected with the air TURN ON 1 outside. conditioner. After You is 5 times. ringing can When hear the "Beep" sound then press "0" "0" "7" "8" off), using along OGM with ARS (if the air conditioner accordingly. telephone provided after signal sound rings four times and then "Beep"(sounds from telephone itself) sounds so that outside recording can be done. ON ON is guide Slowly password press With the sound "0" "0" "Beep, Beep" the "7" and "8" in order. air conditioner starts on. Hang phone. Dial the number which is connected with the air TURN OFF 2 up the conditioner. After You ringing can hear the on), "Beep Beep" sound (if the air accordingly. then press "0" "0" "7" "9" using along OGM with ARS is telephone provided signal sound rings four "Beep"(sounds from telephone itself) so that outside recording can be done. guide after times and then sounds OFF OFF Slowly press password "0" "0" "7" and "9" in order. With the sound Hang up the "Beep---" the air conditioner is turned off. phone. Note: This product works after telephone rings 5 times. user picks up the phone before 5 rings, Telephone control function does not work. user doesn't push the telephone button 25 seconds after beep, Telephone control function If internal If When using along with ARS doesn't work. telephone The numbers of response bell should be adjusted to four times if pressing "Out-of-office" button or other action for automatic response. The recording time of OGM (Outgoing Message) should be less than approximately 15 seconds. If it is connected to key phone, it cannot be worked. OperatingIsuco 5 times. conditioner is When SafetyPrcuions taking CarendMitcToublshgp 15 Care and maintenance of the air conditioner CAUTION: Before performing any maintenance, turn off the main power to the system. Indoor Unit Never Grille, Case, and Remote Control ? Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or 16 any of the followings: Could deformation and/or cause discoloration. abrasives. ? TroubleshtingpCadMcOISfyP use Water hotter than 40°C Volatile substances NOTE: Could Supply power must be disconnected before cleaning the indoor unit. conditioner. the surfaces of the air damage P owder Gasoline Air inlet vent Air outlet vent Vertical louver Air filters (behind front panel) 1 Horizontal louver Lift the front slightly AIR FILTERS The air filters behind the front checked and cleaned more once grille 2 should be in every 2 weeks or access forward to panel remove Clean the filter with and the filter tab pull the filter. a vacuum cleaner or warm, soapy water. ? If dirt is conspicuous, wash with a detergent in lukewarm water. water (40°C or more) is used, it solution of often if neccessary. ? If hot may be deformed. 3 After washing with water, dry well in the shade. 4 1 PLASMA FILTER, DEODORIZER 2 FILTER(OPTIONAL) Re-install the air filter. After removing forward to Dip more once in every 3 months or 3 often if necessary. 4 5 DEODORIZER Filter 1 2 Don't touch this PLASMA Filter within 10 seconds after cause an opening the inlet electric shock. grille, it may 3 detergent, for 20~30minutes. Dry the PLASMA filter in the shade for a day (Especially, the humidity must be removed perfectly on this parts). Note the cuts of electric discharge Re-install the PLASMA filter to the lines. original position. After PLASMA Filter filters, pull slightly the PLASMA filter. the PLASMA filter into the water mixed with neutral The PLASMA filter behind the air filters should be checked and cleaned the air remove removing the air forward to remove in the sunlight Dry filters, pull slightly the DEODORIZER filter. for two hours. Re-install the DEODORIZER filter to the original position. Replacement of Purifying Filter(Option) ? Recomended 1 Open use period front panel : About 2 years and remove air 2 Remove air 3 Insert purifying filters. filters. new air purifying filters. Air filter 2 3 4 Reinsert air filters and close front panel. Air purifying filter Outdoor Unit The heat exchanger coils and panel vents of the regularly. If clogged (Side) with dirt or soot, the heat exchanger and panel Air intake vents vents may be professionally steam cleaned. outdoor unit should be checked NOTE: (Rear) Piping Drain Hose Air outlet Dirty or clogged coils will reduce the operating efficiency of the system and higher operating costs. vents cause (Rear) (Rear) Air intake vents (Side) Piping Drain Hose Air intake vents (Side) Piping Drain Hose Air outlet vents Air outlet vents SafetyPrcuionsOpgICdMTblh 17 When the air conditioner is not going to be used for a long time. When air conditioner is not used for to be going When the air conditioner is to be used long time. a Clean the air filter and install it in the indoor Operate the air conditioner on Air circulation mode (Refer to page 13) for 2 to 3 hours. unit. (Refer to page ? TroubleshtingpCadMcOISfyP 18 This will dry 16 for cleaning filters.) out the internal mechanisms. Turn off the circuit the again. breaker, and disconnect plug. Check that the air inlet and outlet of the indoor/outdoor unit CAUTION CAUTION are not blocked. Turn off the circuit breaker when the air conditioner is not going to be used for a long time. Dirt may collect and may cause a fire. Remove the batteries from the remote control. Operation Tips Do not overcool the room. Keep blinds or curtains Keep the closed. This is not good for the electricity. health and wastes Do not let direct sunshine enter Adjust the horizontal airflow direction to room when the air operation. ensure a in the Make sure that the doors are Avoid doors and opening windows to keep as much shut as Clean the air filter regularly. tight. the cool air in the room. vertical and uniform temperature room. Ventilate the room occasionally. Blockages possible temperature the conditioner is in and windows room uniform. in the air filter Since windows reduces the airflow and lowers the cooling and dehumidifying effects. Clean at least every two weeks. once in it is are kept closed, idea to open them and ventilate the room now and a then. good Before you call for service... Troubleshooting Tips! Save ? Check the following points contact your dealer or before The air conditioner does not operate. ? a service.... If the fault peculiar ? odor. persists, please See page 12 Have you made a mistake in timer operation? Has the fuse blown or has the circuit breaker been has or Explanation ? room requesting repairs money! service center. Case The time and tripped? - Check that this is not the a damp walls, carpet, furniture, or smell exuded by cloth items in the - room. It is seems that condensation leaking ? from the air Condensation occurs when the airflow from the air conditioner cools the warm room air. - conditioner. Air conditioner does not operate for about 3 minutes ? This is the ? Wait about three minutes and when restarted. Does not cool or protector of the mechanism. operation will - begin. heat ? Is the air filter dirty? See air filter cleaning 16 instructions. effectively. ? Has the ? Are the indoor unit's air inlet temperature been set incorrectly? or 6,9 outlet vents obstructed? The air conditioner operation is ? For a - noise that sounds like water -This is the sound of freon noisy. flowing flowing. inside the air conditioner unit. ? For noise that sounds like the compressed atmosphere. -This is the sound of the dehumidifying water being processed inside the air conditioning air a releasing into - unit. Remote control ? Are the batteries faint, ? Are the batteries inserted in the or no display is display at all. and Crack sound is heard. ? (-) depleted? opposite (+) 4 directions? This sound is generated by the expansion/constriction of the front panel, due to changes of temperature. etc. - NOTE WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT. The indoor side is not water resistant and should not be exposed to excess water. SafetyPrcuionsOpgICdMTblh 19 P/No.: 3828A20243C After reading this manual, Printed in Korea keep it in a place easily accessible to the user for future reference.