Samsung MH026FNCA service manual Technical Bulletin

Page 24

TECHNICAL BULLETIN

Technical Bulletins are produced to provide information not contained in the manuals or to update currently published technical information on the Samsung line of Mini splits

This bulletin is on :

Option Code Procedure for MH Neo Forte

Know this

The Option codes shown in the Service manual have been REVISED

The correct option code sequence, and recommended procedure is shown below

Option codes are required if ALL of the Indicator lights on the Indoor unit are blinking, the PCB has been replaced or the Indoor and Outdoor units are not communicating

Symbol

 

MH026FNCA

 

 

MH035FNCA

 

 

MH052FNCA

 

 

ON TIMER

OFF TIMER

ON TIMER

OFF TIMER

ON TIMER

OFF TIMER

Auto

2

7

0

0

2

7

0

0

2

6

0

0

Cool

4

0

0

0

4

0

0

0

4

0

0

0

Dry

2

4

1

0

2

6

1

0

2

9

1

0

Fan

2

2

0

0

2

2

0

0

2

2

0

0

Heat

1

A

0

0

4

D

0

0

8

F

0

0

Step 1 Make sure the Indoor unit is turned OFF. At the Outside unit turn off the power supply,

wait for 1 minute for the Outdoor unit to completely power down, then re-apply power to the system

Step 2 Remove the batteries from the remote, wait 10 secs then hold down BOTH the UP & DOWN temperature arrow buttons. While holding down the buttons re-insert batteries

Step 3 An arrow should appear next to the Auto mode graphic, with 00 and the

ON timer icon on the screen If no display appears repeat Step 2

Step 5 Using the DOWN arrow key, press it the correct number of times to scroll the first digit in the code, display will change 0, through 9, A, B, C, D, E, F Once the first digit is programmed, then use the UP arrow key to program the second digit using the same method

Step 6 Press the mode button, the arrow will move down to the next symbol, enter the digits required. Repeat until ALL the code above is entered

Step 7 Press the MODE button again, the OFF timer icon will display, DO NOT enter the code again, press the MODE button 5 more times to return to the ON timer icon, then check the code entered against the above. Once checked use the MODE button to scroll through the OFF timer section

Step 8 Point the remote at the Indoor unit, and press the POWER button 5 times to inject the code into the unit. Unit Ding's to show code has been accepted Remove batteries, wait 10 secs and re-insert batteries normally

Step 9 Do not turn Indoor unit on using remote, instead go to the Outdoor unit

Press the K2 Button THREE times to get the unit operating in the test mode

Once the Indoor unit is making Condensate

Press the K3 Button to take the unit out of the Test mode

Restart unit using the remote, set to the required temperature and mode

Tech Bulletin - Option Codes FJM MH FNCA Neo Forte

#1

Jun-08

Page 23 Page 25
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Page 23 Page 25
Contents Free Joint Multi AIR Conditioner Contents 10-1 Precautions Disposing of the unit OthersProduct Specifications Feature of ProductProduct Specifications ModelMH026FNCA Product Specificationscont MH026FECA MH035FECA MH052FECA Qfgn &#$ %##+VGO 176&11470+6Accessory and Option Specifications Indoor Unit AccessoriesQFG0Q Descriptions Code-No RemarkIndoor Unit Accessoriescont DescriptionsCable-tie UnitOutdoor Unit Accessories TCKP2NWI1WV$# Transmitter Unit Accessories Cable-tie DB65-10088B&J@KKN2JEP Guetkrvkqp124#6+10 +/4 674$1 Indicators Abnormal conditions Operating Blue RedBreakaway of Cond MID sensor Display RemarkOutdoor Unitcont Setting Option Setup Method Enter the Option Setup modeFeature Feature Display Error Mode Pressing the ON/OFF buttonUnit operation test-run Technical Bulletin Table of the option code  5VCPFCTF  Disassembly and Reassembly Necessary ToolsProcedure Remark Indoor UnitUnlock 3 hooks to fix Panel Front Tray Drain Back-Body Parts Procedure Remark 2 MH026FECA/MH035FECA Parts Procedure Drain Pan Parts Procedure Disassemble if after disassembling the Cabinet Top Motor Parts Procedure 3 MH052FECA Parts Procedure Detach the Motor Wire Connected to PCB and Capacitor Parts Procedure Samsung Electronics Detach the Evaporator from the set Control Samsung Electronics Outdoor Unit 1 MH050FXCA2ASamsung Electronics Detach the Compressor 2 MH080FXCA4A Parts Procedure Remark Use Monkey Spanner TLHK@A@3EASO=J@-=NPOEOP 2CTVU.KUV 2 MH052FNCA Samsung Electronics0Q QFG0Q Guetkrvkqp 5RGEKHKECVKQP#50# 3 MH026FECA/MH035FECA Parts List 50#4 MH052FECA #55 %#$+$#5 #55 5%%/6         %##    13-1 #$ 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 UnitRemote Control Unit Outdoor Unit#FFKPITGHTKIGTCPV 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 TorquePump down Procedure 10-6-1 MH050FXCA2ARelocation of the air conditioner 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.
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