Hunter Fan R410A manual Index

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MITSUBISHI HEAVY INDUSTRIES - PAC SERVICE MANUAL

INDEX

MAINTENANCE DATA	2
ERROR CODES	4
PCB INDOOR UNITS	8
ERROR DISPLAY & REMEDY CHART	12
PCB OUTDOOR UNITS	22
ERROR DISPLAY – OUTDOOR UNIT	25
OPERATIONAL DATA CHECK – WIRED CONTROLLER	35
REMOTE CONTROL – WIRED	36
- SETTING FUNCTIONS	37
ERROR DISPLAY – WIRELESS CONTROL	43
REMOTE CONTROL WIRELESS	44

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Contents FDA Series Split Systems FDA Series Multi Systems Page Index Evacuation Evacuation procedureCation Circuit Refrigerant chargingHigh side Low side IndiE10 E16 E28 Indoor unit LED Outdoor unit LED Selfdiagnosis function Check Indicator TableIndoor unit side No-indicationOutdoor unit side Display sequence of error, inspection display lamp Timing of error detectionWait Indoor unit Outdoor unit Recording and reset of errorProcedures of trouble diagnosis Error diagnosis procedures at the indoor unit sideChange by the jumper wire Control change switch SW5, SW9, SW10Parts 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 displayApproximately Remote controller wire Is removedReplacement indoor Unit control PCB Red LED Time flash Stays OFF Green LED Keeps flashing151~251 Red LED301~601 Green LED Stays OFF or Lights Only case of FDTCases of other than FDT Red LED Stays OFFError display e6 Error display Detective return air thermistorDefective indoor unit heat exchanger thermistor Indoor unit heat exchanger temp. ˚C Error display Heating overloadAbnormal Temperature Detection Error display Drain troubleOnly case of FDTA501, 601 types Error displayError display e16 Fan motor abnormalities E10Only case of 301 type Only case of Fdkn Only case of 151~251 typesDisplay conditions Within a period of 1 hourRemote controller therm Replacement Detective re Error display e28 Directive remote controller thermistorAre characteristics Detectivie remote controller PCBError diagnosis procedures at the outdoor units side Change by the JA3 Change by the jumper wireFunction of DIP switches SW5 Usually all turned OFF Parts layout on the outdoor unit PCB FDCVA151~251 typeFDCA301~601 type Overcurrent SettingPower transistor module Error display Communications error during operation Power supply phases reversed Only case of 301~601 typeE32 E33 Inverter primary current abnormal Only case of 151~251 typeCompressor overcurrent trouble Only case of 301~601 type E34 Error display e35 Cooling overload operationError display e36 Discharge temperature error Abnormal Temperature DetectionPressor is stopped 80 C Error display e39 Defective discharge pipe thermistorUtes 100Error display e40 63H1 operation Only case of 301~601 type Open phase at L3-phase of 52C primary sideError display e42 Current cut Only case of 151~251 type Inverter over-voltage trouble Only case of 151~251 type Error display e52 52C Abnormal Only case of 301~601 typeE47 E48E57 Insufficient refrigerant volumeMalfunction. If Did it improve? Replacement CompressorCould be causing Refrigerant circuitIs 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 Checking Operation Data Cooling Test Operation ProcedureCanceling the Cooling Test Operation Starting the Cooling Test OperationHeating Setting SW5-1, SW5-2 on-siteTest run Test run method Checking the state of the unit in operationFdkn Series Indication board Fden SeriesWireless remote controller Page NATIONAL, State and Local Codes Installation of this equipment must comply with all