Hunter Fan R410A manual E47, E48, Inverter over-voltage trouble Only case of 151~251 type

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12

Error display		: e47		[Inverter over-voltage trouble] (Only case of 151~251 type)

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

Is there foreign matter

such as dust or dirt on the soldered

surfaces of the control PCB?

NO

Is the fuse (F1: 250V, 20A) blown?

NO

The outdoor unit control PCB is faulty. Replace

YES

YES

Remove the foreign matter such as dust and dirt.

Replace

● Display Conditions

If the inverter voltage exceeds 340V, (3 times in 20 min- utes), this error is displayed. After 3 minutes passes, it can be reset using the remote controller.

13

Error display :

e48

[DC Fan motor abnormal] (Only case of 151~251 type)

Indoor unit

Outdoor unit

Red LED

Stays OFF

Red LED

1 time flash

Green LED

Keeps flashing

Is any foreign

Turn the

Is there

foreign matter

Is fuse F3

object wedged into the YES

fan by hand several YES

such as dust or dirt on YES

YES

(250V, 1A)

rotating parts of the

revolutions. Does itturn

the soldered surfaces

blown?

fan motor?

smoothly?

of the control

PCB?

NO

NO

NO

NO

Replace the outdoor unit control PCB.

Remove the foreign object.

Replace the fan motor.

Remove the foreign mater such as dust or dirt.

Replace the fuse.

●Display conditions

When the DC fan motor’s output is ON, if the fan motor’s speed drops to 75 rpm or lower continuously for 30 seconds or longer, the compressor stops. After a 3-minute delay, the compressor is restarted, but if this state is detected 5 times within 60 minutes.

14

Error display : e52 [52C Abnormal] (Only case of 301~601 type)

	Indoor unit			Outdoor unit
Red LED		Stays OFF	Red LED		Lights contiously
Green LED		Keeps flashing	Green LED		Keeps flashing

Is E52

Cooling operation

E52 Heating operation YES displayed in the remote

controller’s

screen?

The 52C is abnormal.

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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 Display sequence of error, inspection display lamp Timing of error detectionWait Procedures of trouble diagnosis Recording and reset of errorError diagnosis procedures at the indoor unit side 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 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 Approximately151~251 Red LED301~601 Cases of other than FDT Only case of FDTRed LED Stays OFF Green LED Stays OFF or LightsError display e6 Error display Detective return air thermistorDefective 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 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 Utes Error display e39 Defective discharge pipe thermistor100 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 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