User manual LG GR-232SBD.CSWZGSU

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Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2-1 The Feature of Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Yes Is the +, - of C102 short? No Exchange the fuse. No Connect the reactor wire. No Disassemble the PCB from the case. Yes Exchange the BLDC FAN. Normal Operation Exit 12-3 Samsung Electronics Troubleshooting 12-2-3 When the Up/Down Louver Motor Does Not Operate. 2) Is the Up/Down louver motor properly connected with the connector (CN61)?Troubleshooting procedure Unplug the power cord and plug it after 30 seconds Is STD lamp blinking? No Check as in the procedure No Power. Yes Does operation start when swing button of the remote control unit pushed?No Voltage at pin #30~#34 of micom (IC04) change?(Squarewave) Yes Normal No Micom (IC04) is faulty. Yes Voltage at pin #2 ~ #5 of CN61(motor connector) change?(Squarewave) Yes Up/Down louver motor is faulty. No Driver IC05/06 (ULN2003A) is faulty. Samsung Electronics 12-4 Troubleshooting 12-2-4 The Outdoor unit Fan error 1. Checklist : 1) Are the input power voltage and the power connection correct?3) Is there no assembly error or none-assembly in the terminal of motor wire connector?Troubleshooting procedure Is the Pin voltage of CN01 #1, #3 over 250V?Yes Is the Pin voltage of CN01 #3, #5 within 1V~5V during the operation? No Follow the Check Procedure of outdoor unit power supply error check. No Does the Pin voltage of IC01(MICOM) No. 13 change?(Square-Wave) Yes FAN DRIVE CIRCUIT (Q901, Q902 etc. ) error No Exchange the PCB. Yes Exchange the PCB. MICOM Error Is the Pin voltage of CN01 #6 changed during the operation?(Square-Wave) No Pull out the power cord and execute the following step after 30 seconds. Disassemble the BLDC FAN Wire. Yes Is the short between the BLDC FAN Wires?Yes Exchange the BLDC FAN MOTOR. No Exchange the PCB. Exchange the PCB. 12-5 Samsung Electronics Troubleshooting 12-2-5 Total current Trip error 1. (Reverse rotation, Locking etc. ) 4) Dose the outdoor fan operate normally?Yes No No No Reconnect the sensor connector. Change the position of sensor. Exchange the sensor. Exchange the PCB. Exchange the PCB. Normal operation Exit 400. 0 350. 0 300. 0 250. 0 200. 0 150. 0 100. 0 50. 0 0. 0 -50 -41 -32 -23 -14 4 103 -5 13 22 31 40 49 58 67 76 85 94 12-9 Samsung Electronics Troubleshooting 12-2-8 Discharge temperature sensor error 1. 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color?Yes No Is the temperature sensor connected correctly without separation?Yes Does the both terminal of sensor satisfy the resistance value in accordance with temperature?(Refer to the R/T TABLE) Yes No Is the resistance value of sensor connection pull_up 24K?Yes No No No Reconnect the sensor connector. Change the position of sensor. Exchange the sensor. Exchange the PCB. Exchange the PCB. Normal operation Exit 600. 0 500. 0 400. 0 300. 0 200. 0 100. 0 0. 0 0 8 104 112 120 128 136 144 152 160 16 24 32 40 48 56 64 72 80 88 96 Samsung Electronics 12-10 Troubleshooting 12-2-9 Coil temperature sensor error 1. 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color?Yes No Is the temperature sensor connected correctly without separation?Yes Does the both terminal of sensor satisfy the resistance value in accordance with temperature? [. . . ] When the hot air from the front of the outdoor unit is blocked, the product's performance will be affected and it will fail to operate properly. So, keep it at least 300mm away from its surrounding walls and give it good ventilation. Q A Installation Q A Q A Samsung Electronics 14-6 14-5 Cleaning/Filter Change 14-5-1 Cleaning your Air Conditioner To get the best possible use out of your air conditioner, you must clean it regularly to remove the dust that accumulates on the air filter. · Before cleaning your air conditioner, ensure that you have switched off the breaker used for the unit. 1. Open the upper front grille by pulling the lower right and left tabs of the grille. 2. When you finished, insert air filters by fixing it to each tab of the grille. [. . . ]