Hunter Fan R410A manual Check method when the error code is display, Indoor unit Outdoor unit

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(c)Check method when the error code is display

Remote controller or Indication board: Inspection LED, error code

Indoor unit PCB: Red LED (inspection display), Green LED (CPU. normal display)

Outdoor unit PCB: ARed LED (inspection display), Green LED (CPU. normal display)

Error display : No display

[Power supply line error]

LCD display : No display

 

 

 

 

Indoor unit

Outdoor unit

 

 

 

 

 

Red LED

 

Stays OFF

Red LED

Stays OFF

 

 

 

 

 

Green LED

 

Stays OFF

Green LED

Stays OFF

 

 

 

 

 

Note (1) The green LED in the outdoor unit is used in the FDCA301 ~ 601 models only.

Start

Is the voltage

NO

 

Voltage between

YES

between 1 and 2/N of the indoor

 

1 and 2/N of the outdoor unit’s

unit’s terminal block

 

 

terminal block is

 

 

AC220/240V?

 

 

AC220/240V.

 

 

 

YES

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor unit check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fuse

NO

Disconnect the transformer’s primary side

 

 

(CNW1) and measure the resistance on

 

 

OK?

 

 

 

 

both ends of CNW1 (using a tester, etc.).

 

 

 

 

 

 

 

 

YES

Notes (1)

In models other than FDT, replace the fuse.

 

 

 

 

(2) FDT only

 

 

Control lines connected wrong or disconnected.

Several 10K Ω or higher.

NO

Replacement indoor unit

 

power supply PCB

 

 

 

 

YES

 

 

 

 

 

 

 

Fuse exchange

Is the voltage at

NO

 

 

CNW3 or 10(1) (red – red) on the

Transformer exchange

 

transformer’s secondary side

 

 

 

 

 

 

 

14 V or higher?

 

 

 

 

Note (1) In models other than FDT, it is CNW2.

 

YES

(1)(2)

 

Is the voltage

NO

between CNW5 2 and 3

 

 

 

DC 12V?

 

Replacement indoor unit power supply PCB

YES

Note (1) 3 is GND

(1)(2)

 

 

 

 

Is the voltage

NO

 

 

between CNW8 2 and 3

 

Harness disconnection

 

 

 

 

DC 12V?

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does it return

YES

 

 

 

Unit is normal.

to normal when the power

 

 

 

(Malfunction was due to noise, etc.)

 

supply is reset?

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacement indoor unit

 

 

 

 

 

 

control PCB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents FDA Series Split Systems FDA Series Multi Systems Page Index Evacuation procedure EvacuationIndi Refrigerant chargingHigh side Low side Cation CircuitNo-indication Selfdiagnosis function Check Indicator TableIndoor unit side E10 E16 E28 Indoor unit LED Outdoor unit LEDOutdoor unit side Wait Display sequence of error, inspection display lampTiming of error detection Error diagnosis procedures at the indoor unit side Recording and reset of errorProcedures of trouble diagnosis Indoor unit Outdoor unitParts layout on the indoor unit PCB Model FDT series Change by the jumper wireControl change switch SW5, SW9, SW10 Model Fden series Model Fdkn series Model Fdur series Drain motorCheck method when the error code is display Indoor unit Outdoor unitRed LED Time flash Stays OFF Green LED Keeps flashing Remote controller wire Is removedReplacement indoor Unit control PCB Approximately301~601 151~251Red LED Red LED Stays OFF Only case of FDTCases of other than FDT Green LED Stays OFF or LightsDefective indoor unit heat exchanger thermistor Error display e6Error display Detective return air thermistor Error display Drain trouble Error display Heating overloadAbnormal Temperature Detection Indoor unit heat exchanger temp. ˚CE10 Error displayError display e16 Fan motor abnormalities Only case of FDTA501, 601 typesWithin a period of 1 hour Only case of Fdkn Only case of 151~251 typesDisplay conditions Only case of 301 typeDetectivie remote controller PCB Error display e28 Directive remote controller thermistorAre characteristics Remote controller therm Replacement Detective reError diagnosis procedures at the outdoor units side Parts layout on the outdoor unit PCB FDCVA151~251 type Change by the jumper wireFunction of DIP switches SW5 Usually all turned OFF Change by the JA3Overcurrent Setting FDCA301~601 typePower transistor module E32 Error display Communications error during operationPower supply phases reversed Only case of 301~601 type Compressor overcurrent trouble Only case of 301~601 type E33Inverter primary current abnormal Only case of 151~251 type Error display e35 Cooling overload operation E34Pressor is stopped Error display e36 Discharge temperature errorAbnormal Temperature Detection 100 Error display e39 Defective discharge pipe thermistorUtes 80 CError display e42 Current cut Only case of 151~251 type Error display e40 63H1 operation Only case of 301~601 typeOpen phase at L3-phase of 52C primary side E48 Error display e52 52C Abnormal Only case of 301~601 typeE47 Inverter over-voltage trouble Only case of 151~251 typeInsufficient refrigerant volume E57Refrigerant circuit Did it improve? Replacement CompressorCould be causing Malfunction. IfPower transistor module including drive circuit check method Is the powerCheck abnormal operation data with the remote controller Remote controller Wired remote controller Pull the cover downward to open itRemote controller unit functions Indoor unit functions I/U FunctionFunction setting method When Function is selectedWhen I/U Function is selected Press the ON/OFF buttonChanging the remote controller’s temperature setting range Starting the Cooling Test Operation Cooling Test Operation ProcedureCanceling the Cooling Test Operation Checking Operation DataChecking the state of the unit in operation Setting SW5-1, SW5-2 on-siteTest run Test run method HeatingIndication board Fden Series Fdkn SeriesWireless remote controller Page Installation of this equipment must comply with all NATIONAL, State and Local Codes
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