Hunter Fan R410A Error display e28 Directive remote controller thermistor, Are characteristics

Page 22

10


Error display : e28				[Directive remote controller thermistor.]

	Indoor unit					Outdoor unit
Red LED		Stays OFF			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 remote controller			YES			Are characteristics of							YES		Detectivie remote controller PCB
	Is the remote controller			YES			remote controller therm-							YES			Replacement (Detective re-
	thermistor connector co-


	nnection OK?						istor OK or is there any									mote thermistor input circuit)
							broken wire?
		NO									NO



	Correction						Detective remote controller
							thermistor			Replacement
							thermistor			Replacement
Resistance-temperature characteristic of remote controller thermister

Temperrature(°C)	Resistance value (kΩ)		Temperrature(°C)			Resistance value (kΩ)			Temperrature(°C)			Resistance value (kΩ)					Temperrature(°C)	Resistance value (kΩ)

0	65			14			33		30				16				46	8.5

1	62			16			30		32				15				48	7.8

2	59			18			27		34				14				50	7.3

4	53			20			25		36				13				52	6.7

6	48			22			23		38				12				54	6.3

8	44			24			21		40				11				56	5.8

10	40			26			19		42				9.9				58	5.4

12	36			28			18		44				9.2				60	5.0

- 20 -

Image 22

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 Timing of error detection Display sequence of error, inspection display lampWait Error diagnosis procedures at the indoor unit side Recording and reset of errorProcedures of trouble diagnosis 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 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 ApproximatelyRed LED 151~251301~601 Red LED Stays OFF Only case of FDTCases of other than FDT Green LED Stays OFF or LightsError display Detective return air thermistor Error display e6Defective 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 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 Error display e35 Cooling overload operation E34Abnormal Temperature Detection Error display e36 Discharge temperature errorPressor is stopped 100 Error display e39 Defective discharge pipe thermistorUtes 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 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