88-15. Before Requesting ServiceBefore requesting service, please check the followings.SolutionCauseProblemThe unit doesn’t workeven when is pressedon the remote control.The power to the indoor unit is not ON. Make sure the power to the indoor unit is ON.Is the Normal/Stop All switch in the Stop All(See Page 8-4)position?Switch it to the Normal position and canceloperation.Are the remote control’s batteries dead? Change the batteries.Is there a mismatch between the display lamp andcooling/heating or is it set to something other thanAuto? (The operating lamp stays lit, while the timerlamp and the standby lamp blink alternately.)Change the operating mode.Do the addresses match one another? Check the addresses of the receiver and theremote control. (See Page 8-8)The air conditionerstarts and stops on itsown.Has the timer been set to repeat? Check the timer settings.(See Page 8-6)“ ” is displayed on theremote control when theunit is stopped.An error has occurred in the non-volatile memory. Please contact your sales outlet.Although the unit is for air conditioning only, either Auto or Heat is indicatedin the display.Make settings to the remote control’s operationmode display. (See the previous page.)After putting the batteries in the remote control, even when it is operated,the display does not change.Press the Reset button on the remote control.(See Page 8-5)Make the settings when the remote control isThe timer cannot be set.in Operation Display. (See Page 8-6)If the problem persists even after you check the foregoing items, stop the unit, disconnect the power to the indoorunit and contact the dealer where the product was purchased with the model number and problem you are having.As it is dangerous, under no circumstances should you undertake repairs yourself.Further, when the receiver’s lamps are blinking; please contact your retailer with that information.8-16. How to Install the Wireless Remote Controller Receiver1. Warning about Installation of ReceiversThe wireless remote uses a very weak infrared light for its signal, which can result in the signal not being receivedbecause of the following influences, so take care in where the unit is installed.• Inverter or rapid-start type fluorescent lights. (Models without glow lamps)• Plasma display or LCD televisions.• Direct sunlight or other sources of bright light.2. Warning about Installing Remote Controls(1) If a remote control is to be operated from a remote control holder that is hung on a wall, turn on the lights in theroom as well as any electrical appliances and then check to make sure the air conditioner works with the remotecontrol in the location where it will be installed. If it works, continue with installation.(2) If the air conditioner is to be switched from the main sensor to a remote control sensor, pay attention to thefollowing when installing.• Locate where no warm or cold drafts will affect it.• Locate in a place free from direct sunlight.• Locate where it will not be affected by any other heat/cold source.8-10