Hunter Fan R410A manual FDA Series Split Systems FDA Series Multi Systems

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SERVICE MANUAL

FDA Series Split Systems FDA Series Multi Systems

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Contents FDA Series Split Systems FDA Series Multi Systems Page Index Evacuation Evacuation procedureHigh side Low side Refrigerant chargingIndi Cation CircuitIndoor unit side Selfdiagnosis function Check Indicator TableNo-indication E10 E16 E28 Indoor unit LED Outdoor unit LEDOutdoor unit side Timing of error detection Display sequence of error, inspection display lampWait Procedures of trouble diagnosis Recording and reset of errorError diagnosis procedures at the indoor unit side Indoor unit Outdoor unitControl change switch SW5, SW9, SW10 Change by the jumper wireParts layout on the indoor unit PCB Model FDT series Model Fden series Model Fdkn series Drain motor Model Fdur seriesIndoor unit Outdoor unit Check method when the error code is displayReplacement indoor Unit control PCB Remote controller wire Is removedRed LED Time flash Stays OFF Green LED Keeps flashing ApproximatelyRed LED 151~251301~601 Cases of other than FDT Only case of FDTRed LED Stays OFF Green LED Stays OFF or LightsError display Detective return air thermistor Error display e6Defective indoor unit heat exchanger thermistor Abnormal Temperature Detection Error display Heating overloadError display Drain trouble Indoor unit heat exchanger temp. ˚CError display e16 Fan motor abnormalities Error displayE10 Only case of FDTA501, 601 typesDisplay conditions Only case of Fdkn Only case of 151~251 typesWithin a period of 1 hour Only case of 301 typeAre characteristics Error display e28 Directive remote controller thermistorDetectivie remote controller PCB Remote controller therm Replacement Detective reError diagnosis procedures at the outdoor units side Function of DIP switches SW5 Usually all turned OFF Change by the jumper wireParts layout on the outdoor unit PCB FDCVA151~251 type Change by the JA3FDCA301~601 type Overcurrent SettingPower transistor module Power supply phases reversed Only case of 301~601 type Error display Communications error during operationE32 Inverter primary current abnormal Only case of 151~251 type E33Compressor overcurrent trouble Only case of 301~601 type E34 Error display e35 Cooling overload operationAbnormal Temperature Detection Error display e36 Discharge temperature errorPressor is stopped Utes Error display e39 Defective discharge pipe thermistor100 80 COpen phase at L3-phase of 52C primary side Error display e40 63H1 operation Only case of 301~601 typeError display e42 Current cut Only case of 151~251 type E47 Error display e52 52C Abnormal Only case of 301~601 typeE48 Inverter over-voltage trouble Only case of 151~251 typeE57 Insufficient refrigerant volumeCould be causing Did it improve? Replacement CompressorRefrigerant circuit Malfunction. IfIs the power Power transistor module including drive circuit check methodCheck abnormal operation data with the remote controller Pull the cover downward to open it Remote controller Wired remote controllerIndoor unit functions I/U Function Remote controller unit functionsWhen Function is selected Function setting methodPress the ON/OFF button When I/U Function is selectedChanging the remote controller’s temperature setting range Canceling the Cooling Test Operation Cooling Test Operation ProcedureStarting the Cooling Test Operation Checking Operation DataTest run Test run method Setting SW5-1, SW5-2 on-siteChecking the state of the unit in operation HeatingFdkn Series Indication board Fden SeriesWireless remote controller Page NATIONAL, State and Local Codes Installation of this equipment must comply with all