Samsung GH052EAM Service Manual

Also see for GH052EAM: Owner's instructions Installation manual

Contents

17Samsung Electronics4-1 LED Display on the indoor unit Detection of errors If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED. If you re-operate the air conditioner, it operates normally at first, then detect an error again.4. Troubleshooting1. Error of indoor unit: Displayed onthe indoor unit regardless ofoperation2. Error of outdoor unit: Displayed onthe indoor unit which is operatingDisplayed on appropriate indoor unitwhich is operatingDisplayed on outdoor unitDisplayed on appropriate indoor unitwhich is operatingDisplayed on outdoor unitDisplayed on appropriate indoor unitwhich is operatingDisplayed on appropriate indoor unitwhich is operating1. No communication for 2 minutes betweenindoor unit and outdoor unit(communication error for more than2 minutes)2. Indoor unit receiving the communication errorfrom outdoor unit3. Outdoor unit tracking 3 minute error4. When sending the communication error fromoutdoor unit the mismatching of thecommunication numbers and installednumbers after completion of tracking.(communi-cation error for more than 2 minutes)Error of outdoor temp. sensorError of COND sensorError of DISCHARGE sensorError of heat exchanger sensor in indoor unitError of temp. sensor in indoor unit(OPEN/SHORT)Power reset- If you turn off the air conditioner when the LED is flickering, the LED is also turned off. : On : Flickering : Off- If you re-operate the air conditioner, it operates normally at first, then detect an error again.Communication error between indoor unitsOperatingIndicatorsAbnormal conditionsGreen RedSelf-diagnostic error(including the indoor unit not detected)1. Error of electronic expansion valve close2. Error of electronic expansion valve open3. 2nd detection of high temp. COND4. 2nd detection of high temp.DISCHARGE5. Error of reverse phase6. Compressor down due to 6th detection offreezingError of float switchError of setting option switches for optionalaccessoriesEEPROM errorEEPROM option error