Mitsubishi Electric Mr.SLIM SEZ Series User Manual (English)

Questions and Answers:

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Jason Gray DDSAug 20, 2025
How to fix Mitsubishi Electric Mr.SLIM SEZ Air Conditioner not cooling or heating well?
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  Jessica MartinAug 21, 2025
  If your Mitsubishi Electric Air Conditioner isn't heating or cooling effectively, start by cleaning the filter, as reduced airflow can occur when it's dirty or clogged. Also, ensure the temperature is properly adjusted. Check that there's sufficient space around the outdoor unit and that the indoor unit's air intake or outlet isn't blocked. Finally, make sure no doors or windows are left open.
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Donna ReyesAug 22, 2025
Why can't I set the timer on my Mitsubishi Electric Mr.SLIM SEZ Air Conditioner?
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  David SmithAug 22, 2025
  If you cannot set the timer on your Mitsubishi Electric Air Conditioner remote controller, check if the timer settings are invalid. If the timer can be set, will appear in the remote controller display.
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Julia ArmstrongAug 25, 2025
What to do if Mitsubishi Electric Mr.SLIM SEZ won't turn on after turning off?
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  fletcherhenryAug 25, 2025
  If your Mitsubishi Electric Air Conditioner does not operate after restarting it soon after stopping, wait approximately three minutes.
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Matthew MasonAug 27, 2025
Why does my Mitsubishi Electric Air Conditioner turn on by itself?
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  Phillip WilliamsAug 27, 2025
  If your Mitsubishi Electric Air Conditioner operates without pressing the ON/OFF button, check if the on timer is set and press the ON/OFF button to stop operation. Also, determine if the air conditioner is connected to a central remote controller; if so, consult the relevant people. Check if “ ” appears on the remote controller display and consult the concerned people who control the air conditioner. Finally, see if the auto recovery feature from power failures has been set, and if so, press the ON/OFF button to stop operation.
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kellystevensAug 28, 2025
Why does my Mitsubishi Electric Mr.SLIM SEZ stop by itself?
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  Johnathan NelsonAug 28, 2025
  If your Mitsubishi Electric Air Conditioner stops without pressing the ON/OFF button, first, check if the off timer is set and press the ON/OFF button to restart operation. Also, determine if the air conditioner is connected to a central remote controller; if so, consult the relevant people. Check if “ ” appears on the remote controller display and consult the concerned people who control the air conditioner.
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kara55Aug 29, 2025
Why is water or vapor emitted from my Mitsubishi Electric Air Conditioner outdoor unit?
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  Colleen CarneyAug 29, 2025
  If your Mitsubishi Electric Air Conditioner emits water or vapor from the outdoor unit during cooling mode, water may form and drip from the cool pipes and joints. During heating mode, water may form and drip from the heat exchanger. During defrosting mode, water on the heat exchanger evaporates, emitting water vapor.
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Paul ChapmanAug 31, 2025
Why does my Mitsubishi Electric Air Conditioner make cracking noises?
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  Alan DuncanAug 31, 2025
  If you hear cracking or creaking sounds from your Mitsubishi Electric Air Conditioner, these sounds occur when parts rub against each other due to expansion and contraction from temperature changes.
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Kathy MillerSep 2, 2025
Why isn't warm air blowing from my Mitsubishi Electric Air Conditioner when heating starts?
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  Dylan GreenSep 2, 2025
  If warm air doesn't blow from the indoor unit of your Mitsubishi Electric Air Conditioner when heating starts, it's because warm air does not blow until the indoor unit has sufficiently warmed up.
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Jeffrey AdamsSep 4, 2025
Why does my Mitsubishi Electric Air Conditioner emit white mist?
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  Victoria AustinSep 4, 2025
  If a white mist or vapor is emitted from the indoor unit of your Mitsubishi Electric Air Conditioner, this may happen when the indoor temperature and humidity are high when operation starts. Also, during defrosting mode, cool airflow may blow down and appear like a mist.
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Leah KaufmanSep 5, 2025
Why does my Mitsubishi Electric Air Conditioner stop before reaching set temperature?
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  Glenn VazquezSep 5, 2025
  If your Mitsubishi Electric Air Conditioner stops before reaching the set temperature in heating mode, frost may form on the outdoor unit when the outdoor temperature is low and the humidity is high. Normal operation should begin after approximately 10 minutes.

Mitsubishi Electric Mr.SLIM SEZ Series Specifications

General

Series	SEZ
Type	Split System Air Conditioner
Cooling Capacity	Varies by model (e.g., 2.5kW, 3.5kW, 5.0kW, etc.)
Heating Capacity	Varies by model (e.g., 4.0kW, 5.5kW, etc.)
Energy Efficiency Ratio (EER)	Varies by model. Check specific model specifications.
Seasonal Energy Efficiency Ratio (SEER)	Varies by model. Check specific model specifications.
Coefficient of Performance (COP)	Varies by model. Check specific model specifications.
Noise Level (Indoor Unit)	Varies by model, typically between 25-45 dB(A) depending on fan speed.
Noise Level (Outdoor Unit)	Varies by model (typically 45 - 55 dB(A))
Dimensions (Indoor Unit)	Varies by model (e.g., 800 x 285 x 200 mm)
Dimensions (Outdoor Unit)	Varies by model (e.g., 780 x 540 x 285 mm)
Weight (Indoor Unit)	Varies by model (e.g., 8 - 12 kg)
Weight (Outdoor Unit)	Varies by model (e.g., 30 - 45 kg)
Operating Temperature (Heating)	Typically -15°C to 24°C
Power Supply	220-240V, 50Hz