Samsung MH026FNCA service manual Operation case

Page 80

Troubleshooting

- Operation case

 

Contents

 

Q1

While using cooling or heating, indoor units display E161 Error code

 

 

 

 

 

 

Check point

 

Remarks

Analysis

This problem is caused by user’s fault. User’s simultaneously operate 2 more indoor units in the same time cooling

and heating mode.

 

 

 

 

 

 

 

FJM is operate by just cooling or heating mode only. (Only, HR system can operate cooling and heating mode

Guidance

simultaneously in the same time)

 

 

Outdoor unit will be operate by first received signal, another operation signal is not applied system.

 

 

 

 

 

Contents

 

Q2

While using cooling or heating, System turn off and display E416 Error code.

 

 

 

 

 

 

Check point

 

Remarks

 

E416 is outdoor unit high discharge temperature safety control Error code.

 

Analysis

After System restart automatically until 3 times, system stop and display this error.

 

 

System can be operated by remote controller signal and K3(reset) key input.

 

 

 

 

 

Step 1

Check outdoor units installation environment.

 

(air flow blocking, the halation of another outdoor air flow)

 

 

 

 

 

 

 

Step 2

Check refrigerant leakage.

 

 

 

 

 

Step 3

Check outdoor EEV operation.

 

 

Contents

 

Q3

While using cooling or heating, System Turn off and display E458 Error code

 

 

 

 

 

 

Check point

 

Remarks

 

E458 Error is related with outdoor unit fan Error.

 

Analysis

Especially, If system have a some problem in fan, in heating mode , it will be happened.

 

And In auto address setting, without pipe checking operation must be happened it.

 

 

 

 

 

Step 1

Check to outdoor fan operation.

 

 

 

 

 

Step 2

If outdoor fan operation is clear, start to pipe checking operation.

 

 

 

 

 

When Auto address setting is finished without pipe checking operation, in heating mode, outdoor unit refrigerant

Guidance

distribution control is malfunction.

 

It make our system to confuse it’s condition.

 

 

 

 

But, basically this error code is concerned about fan error.

 

 

 

 

 

 

Contents

 

Q4

While using cooling mode, outdoor unit turn off and display E401 Error code.

 

 

 

 

 

 

Check point

 

Remarks

Analysis

This is caused by protection mode behavior.

 

This is indoor Evaporator Freezing protection mode.

 

 

 

 

 

 

 

Step 1

Please, check indoor unit, whether inlet or outlet grill is closed.

 

 

 

 

 

Step 2

Please, check indoor unit, whether indoor fan is working.

 

 

 

 

 

Samsung Electronics

9-10

Image 80
Contents Free Joint Multi AIR Conditioner Contents 10-1 Precautions Disposing of the unit OthersProduct Specifications Feature of ProductMH026FNCA Product SpecificationsModel Product Specificationscont MH026FECA MH035FECA MH052FECA Qfgn &#$ %##+VGO 176&11470+6QFG0Q Accessory and Option SpecificationsIndoor Unit Accessories Descriptions Code-No RemarkIndoor Unit Accessoriescont DescriptionsCable-tie Unit$# Outdoor Unit AccessoriesTCKP2NWI1WV Transmitter Unit Accessories Cable-tie DB65-10088B124#6+10 +/4 674$1 &J@KKN2JEPGuetkrvkqp Indicators Abnormal conditions Operating Blue RedBreakaway of Cond MID sensor Display RemarkOutdoor Unitcont Feature Setting Option Setup MethodEnter the Option Setup mode Feature Display Unit operation test-run Error ModePressing the ON/OFF button Technical Bulletin Table of the option code  5VCPFCTF  Disassembly and Reassembly Necessary ToolsProcedure Remark Indoor UnitUnlock 3 hooks to fix Panel Front Tray Drain Back-Body Parts Procedure Remark 2 MH026FECA/MH035FECA Parts Procedure Drain Pan Parts Procedure Disassemble if after disassembling the Cabinet Top Motor Parts Procedure 3 MH052FECA Parts Procedure Detach the Motor Wire Connected to PCB and Capacitor Parts Procedure Samsung Electronics Detach the Evaporator from the set Control Samsung Electronics Outdoor Unit 1 MH050FXCA2ASamsung Electronics Detach the Compressor 2 MH080FXCA4A Parts Procedure Remark Use Monkey Spanner TLHK@A@3EASO=J@-=NPOEOP 2CTVU.KUV 2 MH052FNCA Samsung Electronics#50# 0Q QFG0QGuetkrvkqp 5RGEKHKECVKQP 3 MH026FECA/MH035FECA Parts List 50#4 MH052FECA #55 %#$+$#5 #55 5%%/6         %##    13-1 #$ Wiring Diagram @KKN2JEPĠ?KJP # aMH050FXCA2A MH080FXCA4A Schematic Diagram Mhfeca PCB Diagram Main PCBIndoor Unit02- Ġ&J@KKN2JEP Ġ?KJP Mhfnca@ 4 # $% ‘ + = Q *&+ Ġ,QP@KKN2JEP #5 *%#5 Troubleshooting Checking and Testing operations Reset buttonPipe Checking Operation Auto Addressing Mode Button K1 timesMode Function Move dip switch n1 of SW02 Type Picture ModelInstallation Test Mode with all indoor units functioning Connected 0=A1=B2=C3=DContents Auto address setting Operation case Try-run Check Error Fault Diagnosis by Symptom Basic Check FlowBasic Check Flowcont Checking Outdoor Controller LED1 Red Always onLED3 Yellow OFF Hardware troubleMeasuring point Normal value Index Value RemarkChecking Temperature sensor  DA?GEJC3 -ELAI=P?DEJCProcedure PCB InspectionSelecting Area for Installation Indoor Unit#FFKPITGHTKIGTCPV Remote Control UnitOutdoor Unit Connecting Up and Purging the Circuit MH050FXCA2AMH080FXCA4A Refrigerant Refill 10-3-1 MH050FXCA2A10-3-2 MH080FXCA4A 5#5CA*%8#5C4A Ncuu #VKPUVCNNCVKQP #VUGTXKEGFlare Nut Fixing Torque Outer diameter Torquekg..cm Fixing Torque Final TorqueRelocation of the air conditioner Pump down Procedure10-6-1 MH050FXCA2A 10-6-2 MH080FXCA4A Index for Model Name 052 O O O07 / O O O Refrigerating Cycle Diagram Samsung Electronics 11-4 Power/Heat Pressure & Capacity markCal/s Kcal/h Btu/h Kg . m/s Ib . m/s 544.411-5 Q & a for Non-trouble For Non-trouble Class Description Remote controller wont operate Is it possible to install the outdoor unit outside?Cleanness Common sense of refrigerationAir supplier AirElectronics

MH026FNCA specifications

The Samsung MH026FNCA is an innovative solution designed to meet the diverse needs of residential and commercial spaces. As a part of Samsung's advanced lineup of air conditioning systems, this model exemplifies the brand's commitment to quality, efficiency, and cutting-edge technology. With an array of features, the MH026FNCA stands out as an ideal choice for users seeking reliable climate control in their environments.

One of the standout characteristics of the Samsung MH026FNCA is its energy efficiency. Equipped with a powerful inverter technology, it adjusts the compressor speed to maintain the desired temperature with minimal energy consumption. This not only helps in reducing electricity bills but also contributes to a more sustainable lifestyle, making it an eco-friendly choice for consumers.

The MH026FNCA also incorporates a multi-stage filtration system, which significantly improves indoor air quality. This system includes a washable pre-filter and a high-performance HEPA filter that captures dust, allergens, and other microscopic particles, ensuring that the air circulated in the room is fresh and clean. This feature is particularly beneficial for those who suffer from allergies or respiratory issues.

In terms of usability, the Samsung MH026FNCA is designed with convenience in mind. It comes with a user-friendly remote control that allows users to adjust settings effortlessly from a distance. Additionally, its smart technology enables compatibility with various smart home systems, offering the ability to control the unit via smartphone apps or voice commands for seamless integration into modern living spaces.

The robust build quality of the MH026FNCA enhances its reliability, ensuring long-lasting performance even in demanding conditions. With a sleek design and compact size, it can easily blend into different interior decors while providing quick and effective cooling or heating, depending on the season.

Furthermore, the MH026FNCA features advanced noise reduction technologies, making it one of the quietest models in its class. Users can enjoy a peaceful environment without the distraction of loud operational sounds, making it ideal for bedrooms, offices, and public spaces where tranquility is essential.

Overall, the Samsung MH026FNCA is a testament to innovation in air conditioning technology, combining energy efficiency, advanced filtration, smart features, and aesthetic appeal. For those in search of an effective climate control solution, this model sets a high standard that meets various consumer requirements without compromising on performance or comfort.