User manual LG LWG0760ACG

[. . . ] Indicates that the repair engineer and other third-party individuals in the vicinity may be exposed to a risk of injury or that property damage (*) may result if operation is not performed correctly or from failure of product after operation. DANGER WARNING CAUTION (*): Property damage means expanded damages to assets, furniture, livestock and/or pets. [Explanation of symbols] Symbol Explanation Indicates prohibited activity Specific prohibited actions are described in statements near the symbol. Indicates enforced action Specific enforced actions are described in statements near the symbol. Indicates caution (includes danger alert and warning) Specific content of caution is indicated in a picture or statement near the symbol. DANGER Turn off breaker before performing work. Otherwise, one may receive electric shock from the high-voltage electricity, resulting in death or injury. Turn off breaker Do not turn on the breaker when the cover of the unit is removed. [. . . ] Cannot upload settings file. Cause 1: System is not in Maintenance mode. Action: Switch to Maintenance mode and try uploading the settings file. Troubleshooting: See Action 10-1-1. , Cause 1 and 2. 10-1-3. Logon screen is not displayed. Cause 1: CF card is not inserted in the CF card slot. Action: Insert a CF card in the CF card slot. Cause 2: The Master Server (Web Server) is not turned on. Action: Make sure that the RN LED light on the Master Server (Web Server) is on. Turn on power to the Master Server (Web Server). Check that the power has a voltage of 220V~240V. Cause 3: Hub and/or router is not turned on. Action: Turn on the power to the hub and/or router. Communication error or some part of the air conditioner data cannot be obtained. Cause 1: Air conditioner model is incorrect. Action: Confirm that the model of the setting file and the actual air conditioner match. 10-2. Warning Display 10-2-1. Browser shows a Alarm code other than [S10], [S01], [S02], [S06] or [S07]. Cause 1: The warning is detected at the air conditioner. Action: 1) Check the inspection display on the remote controller or multi-outdoor unit board. 2) Follow the service guide of the air conditioner to identify the fault and check the parts and wiring. 32 Web Based Controller Service Manual 10-2-2. Gateway (Web Server) communication error [S10] is displayed. Cause 1: The product is not turned on. (Gateway, relay interface, hub, router) Action: Check that the RN LED light for the Gateway is on. Also check for LED for POWER to the relay interface. Make sure that the power to Gateway and relay interface is 220V~240V. Cause 2: LAN cable is connected to LAN2 of GW Server. Cause 3: Type of LAN cable is not appropriate. [. . . ] Action: This proportional electricity distribution system, calculates electricity level based on the performance necessary for air conditioning for each indoor unit. Rooms that are difficult to warm up or cool down use more electricity than other rooms regardless of the same operation time. 10-4-7. No daily report data. Cause 1: Master Server (Web Server) was turned off at time of meter reading. Action: If the Master Server (Web Server) is turned off at time of meter reading, the daily report file for that day is not created. Accumulated operating time and electricity amount are added to the daily report file for the following day, so the values for the unreported daily report are correctly calculated in the daily report summary. 10-4-8. No Monthly report data. Cause 1: Master Server (Web Server) was turned off at time of meter reading. [. . . ]