Hunter Fan R410A manual Error display e6, Error display Detective return air thermistor

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4

Error display : e6

[Defective indoor unit heat exchanger thermistor]

	Indoor unit			Outdoor unit
Red LED		1 time flash	Red LED		Stays OFF
Green LED		Keeps flashing	Green LED		Keeps flashing

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


			Defective indoor unit control PCB
			Defective indoor unit control PCB
			Replace-ment (Defective indoor unit
			heat exchanger thermistor input circuit)
					YES
	Is the indoor	YES	Are characteristics
	unit heat exchanger	YES	of indoor unit heat
	unit heat exchanger		of indoor unit heat
	thermistor connector		exchanger thermistor OK
	connection OK?			or is there any
				broken wire?
	NO				NO
	Correction		Defective indoor unit heat exchanger
	Correction		thermistor		Replacement
			thermistor		Replacement

Return air thermistor (ThI-A)

Indoor unit heat exchanger thermistor (ThI-R1, R2)

Resistance temperature characteristics

(kΩ)	15






Resistance	10
	10




	5					5k	Ω at 25˚C

0

10

20

30

40

50

Temperature (˚C)

Note (1) 22.5 kΩ at -6˚C

●Display condition

If a temperature of –50ºC or lower is detected continuously for 5 seconds or longer by the thermistor, the compres- sor stops. After a 3 minute delay, the compressor restarts. If this state is detected again within 60 minutes after the first detection.

5

Error display		: e7	[Detective return air thermistor]

Indoor unit					Outdoor unit
Red LED		1 time flash		Red LED		Stays OFF
Green LED		Keeps flashing		Green LED		Keeps flashing

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

Is the return air	YES	Is the return air			YES		Defective indoor unit control PCB
Is the return air	YES	Is the return air			YES		Defective indoor unit control PCB
thermistor connector		thermistor characteristics					Replacement (Defective return air
connection OK?		OK or is there a					thermistor input circuit)
connection OK?		broken wire?					thermistor input circuit)
NO				NO		Note (1) Characteristics as per the above
		Defective return air					graph.
Correction		Defective return air
		thermistor		Replacement
		thermistor		Replacement

●Display condition

If a temperature of –50ºC or lower is detected continuously for 5 seconds or longer by the thermistor, the compres- sor stops. After a 3 minute delay, the compressor restarts. If this state is detected again within 60 minutes after the first detection.

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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 Display sequence of error, inspection display lamp Timing of error detectionWait Error diagnosis procedures at the indoor unit side Recording and reset of errorProcedures of trouble diagnosis Indoor unit Outdoor unitChange 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 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 Approximately151~251 Red LED301~601 Red LED Stays OFF Only case of FDTCases of other than FDT Green LED Stays OFF or LightsError display e6 Error display Detective return air thermistorDefective indoor unit heat exchanger 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 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 Error display e35 Cooling overload operation E34Error display e36 Discharge temperature error Abnormal Temperature DetectionPressor is stopped 100 Error display e39 Defective discharge pipe thermistorUtes 80 CError 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 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