Troubleshooting

 

Contents

 

 

Q5

When system start in cooling mode, System don’t operate and display E441 Error code

 

 

 

 

 

Check point

 

Remarks

 

FJM PLUS is able to operate by -10˚C

 

 

Analysis

But we admit that minimum Cooling temperature is by

-5˚C

 

Please, Remember cooling operation range.

 

 

 

 

 

 

 

Contents

 

Q6

While using heating, outdoor unit turn off and display E404 Error code.

 

 

 

 

 

 

Check point

 

Remarks

 

Heating overload safety mode make this situation.

 

Analysis

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

 

System can operate by remote controller input signal or K3(reset) key input.

 

 

 

 

 

Step 1

Check indoor units air flow.

 

 

 

 

Step 2

Check outdoor unit air flow and installation (outdoor air flow blocking & over charging)

 

Contents

 

Q7

When system start in Heating mode, System don’t operate and display E440 Error code.

 

 

 

 

 

Check point

 

Remarks

 

FJM PLUS is able to operate up to 30˚C

 

Analysis

But we admit that Maximum Heating temperature is up to 24˚C

 

 

Please, Remember Heating operation range.

 

 

 

 

 

- Try-run Check Error

 

Contents

 

Q8

While the system is working try-run mode, system turn off and display E128 / 129 / 246 / 261 / 419 / 422 / 554

Error code.

 

 

 

 

 

 

 

 

Check point

 

Remarks

Analysis

These Error codes only apply with Try-run mode, in case of system have some defect as result of try-run operation.

Refer to self-detection algorithm (Check Error Code meaning and check it out)

 

 

 

 

 

 

 

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Samsung Electronics

Page 81
Image 81
Samsung MH026FNCA service manual Try-run Check Error

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.

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