Daikin FXLQ20P2VEB Installation And Operation Manual

Also see for FXLQ20P2VEB: Technical data

Contents

FXLQ20~63P2VEB + FXNQ20~63P2VEBVRV System air conditioners4P323720-1 – 2012.06Installation and operation manual10Test operationRefer to the installation manual of the outdoor unit.The operation lamp of the remote controller will flash when an erroroccurs. Check the error code on the liquid crystal display to identifythe trouble.If any of the items in following table are displayed on the remotecontroller, there may be a problem with the wiring or power, so checkthe wiring again.MaintenanceHow to clean the air filterClean the air filter when the display shows " " (TIME TO CLEANAIR FILTER).Increase the frequency of cleaning if the unit is installed in a roomwhere the air is extremely contaminated.If the dirt becomes impossible to clean, change the air filter. (Air filterfor exchange is optional.)1 Remove the air filter.For FXLQ unitsFor FXNQ units2 Clean the air filter.Use vacuum cleaner (A) or wash the air filter with water (B).When the air filter is very dirty, use soft brush and neutraldetergent.Remove water and dry in the shade.3 Fix the air filter.4 After turning on the power, press FILTER SIGN RESET button.The "TIME TO CLEAN AIR FILTER" display is turned off.Error code MeaningA8 Error in power supply to indoor unitC1 Transmission error between fan driver PCB and controllerPCB of the indoor unitC6 Improper combination of fan driver PCB of the indoor unit orsetting failure in control PCB typeU3 Test operation of the indoor unit has not been finishedError code MeaningThere is a short circuit at the forced off terminals (T1, T2)U4 or UH- The power on the outdoor unit is off- The outdoor unit has not been wired for power supply- Incorrect transmissionno display- The power on the indoor unit is off- The indoor unit has not been wired for power supply- Incorrect transmission wiring, forced off wiring or remotecontroller wiringCaution Only a qualified service person is allowed to performmaintenance. Before obtaining access to terminal devices, all powersupply circuits must be interrupted. Do not touch the internal parts during and immediatelyafter operation.Your hands may suffer burns if you touch the internalparts. To avoid injury, give the internal parts time toreturn to normal temperature or, if you must touchthem, be sure to wear proper gloves. Do not use water or air of 50°C or higher for cleaningair filters and outside panels. Do not wash the air conditioner with water.Doing so may result in an electric shock. Do not operate for many hours with opened windows.This may cause condensation. Do not stand or place objects on the air conditioner.This could result in injury due to falling or turning over. Do not place containers with water on the airconditioner.If the containers are turned over, the water couldresult in equipment failure or electric shock and fire. Do not operate the unit with the control panel lid open.If water gets inside the panel, it could result inequipment failure or electric shock. If the main power supply is turned off duringoperation, operation will restart automatically after thepower turns back on again.(A) Using a vacuum cleaner (B) Washing with water

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