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INSTALLATION INSTRUCTIONS R−410A Ductless Split System Air ...

INSTALLATION INSTRUCTIONS R−410A Ductless Split System Air ...

INSTALLATION INSTRUCTIONS R−410A Ductless Split System: DLF4(A/H), DLC4(A/H) TROUBLESHOOTING The unit has onboard diagnostics. Error codes will appear on the LED display on the front panel of the indoor unit in place of the temperature display. Error codes are also displayed on the outdoor unit microprocessor board with colored LED lights. The tables following explain the error codes for the specific models. Malfunction Stop for anti−freeze protection of indoor −unit UNITS 9K & 12K, 115 Volts Display on Indoor Unit State of the Lamps of Outdoor Unit PCB Error Code Green−LED2 Red−LED3 Yellow_LED4 Reasons E2 Flash−4 Times Flash−3 Times Refrigerant leakage. indoor unit air flow blocked. Filter dirty. Stop for discharge temp protection E4 Flash−7 Times Low refrigerant. Capillary blocked. Ambient temp is abnormal. Stop for low voltage protection E5 Flash−5 Times Low voltage, ambient temp is abnormal. Stop for communication malfunction E6 No Flash Stop for compressor overload protection H3 Flash−8 Times Overload protection H4 Flash−6 Times Stop for IPM module protection H5 Flash−4 Times DC motor (indoor unit) does not operate Indoor ambient temperature sensor malfunction Indoor tube temperature sensor malfunction Outdoor ambient temperature sensor malfunction Outdoor tube temperature sensor malfunction Outdoor discharge temperature sensor malfunction H6 F1 F2 F3 F4 F5 Flash−6 Times Flash−5 Times Flash−7 Times Communication line failure, Main PCB failure. Outside interference, wiring error. Compressor overheat. Low refrigerant. Capillary blocked. Ambient temp is abnormal. Heat exchanger blocked. IPM module over temperature, low voltage, silica grease problem DC motor control terminal contact problem, fan does not rotate smoothly due to incorrect installation, motor or control panel is damaged. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Automatic defrosting H1 Flash−2 Times H1 signal normal operation, heat pump only. 1. Error codes only can be seen in the type which has the temperature display PCB. Some types do not have Remark this function and have only the LED’s on the outdoor PCB. 2. If there is normal communication between the Indoor and Outdoor unit the green LED will be on. 14 421 01 9220 00

INSTALLATION INSTRUCTIONS R−410A Ductless Split System: DLF4(A/H), DLC4(A/H) Malfunction Stop for anti−freeze protection of indoor −unit Stop for discharge temp protection Overcurrent protection Stop for communication error Stop for compressor overload protection Overload protection Stop for IPM module protection Indoor unit fan motor does not operate Indoor ambient temperature sensor malfunction Indoor tube temperature sensor malfunction Outdoor ambient temperature sensor malfunction Outdoor tube temperature sensor malfunction Outdoor discharge temperature sensor malfunction Jumper connection malfunction protection Unit match protection Indoor fan zero−cross detection circuit malfunction PFC overcurrent malfunction High power protection High voltage protection Low voltage protection Automatic defrosting Remark Double 8 Code Display Error Code E2 E4 E5 E6 H3 H4 H5 H6 F1 F2 F3 F4 F5 C5 LP U8 HC L9 PH PL H1 Indoor Unit Displaying Method UNIT 12K, 230 Volts Indicator Display (LED Flash 0.5s−ON/0.5s−OFF Running LED 3s off flash 2 times 3s off flash 4 times 3s off flash 5 times 3s off flash 6 times 3s off flash 11 times 3s off flash 15 times Cooling LED 3s off flash 1 times 3s off flash 2 times 3s off flash 3 times 3s off flash 4 times 3s off flash 5 times 3s off flash 11 times Heating LED 3s off flash 3 times 3s off flash 4 times 3s off flash 5 times 3s off flash 6 times 3s off flash 21 times 3s off flash 1 times State of lamps of outdoor unit PCB Green LED2 No Flash Red LED3 Flash−4 Times Flash−6 Times Flash−5 Times Flash−7 Times Yellow LED4 Flash 3 Times Flash 7 Times Flash 5 Times Flash 8 Times Flash 6 Times Flash 4 Times Flash 16 Times Flash 14 Times Flash 9 Times Flash 13 Times Flash 12 Times Flash 2 Times Reasons Refrigerant leakage. indoor unit air flow blocked. Filter dirty. Low refrigerant. Capillary blocked. Ambient temp is abnormal. Low voltage, ambient temp is abnormal. Communication line failure, Main PCB failure. Outside interference, wiring error. Compressor overheat. Low refrigerant. Capillary blocked. Ambient temp is abnormal. Heat exchanger blocked. IPM module over temperature, low voltage, silica grease problem Motor control terminal contact problem, fan does not rotate smoothly due to incorrect installation, motor or control panel is damaged. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. Bad terminal connection. Temp sensor malfunction. No jumper on controller or installed improperly or damaged. Corresponding circuit on mainboard has malfunction. Indoor and outdoor units not matched Abnormal zero−cross detection circuit on mainboard. Overcurrent on PFC System power is too high DC side voltage is too high DC side voltage is too low H1 signal normal operation, heat pump only. 1. Error codes only can be seen in the type which has the temperature display PCB. Some types do not have this function and have only the LED’s on the outdoor PCB. 2. If there is normal communication between the Indoor and Outdoor unit the green LED will be on. 421 01 9220 00 15

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