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Matthew JohnsonSep 8, 2025
Why does my Mitsubishi Electric SEZ-KD25 make a cracking or creaking sound?
- JJohnny PetersonSep 9, 2025
These sounds can be heard when parts rub against each due to expansion and contraction from temperature changes.
To Next PageTo Next PageWhy does my Mitsubishi Electric SEZ-KD25 make a cracking or creaking sound?
These sounds can be heard when parts rub against each due to expansion and contraction from temperature changes.
What to do if an error code appears on my Mitsubishi Electric Air Conditioner remote controller display?
If an error code appears on your Mitsubishi Electric Air Conditioner's remote controller display, the protection devices have operated to protect the air conditioner. Do not attempt to repair the equipment yourself. Turn off the power switch immediately and consult your dealer, providing the model name and the information displayed on the remote controller.
How to fix a Mitsubishi Electric Air Conditioner remote controller when nothing appears on the display?
If nothing appears on the wireless remote controller display, the display is faint, or signals are not received by the indoor unit unless the remote controller is close, the batteries may be low. Replace the batteries and press the Reset button. If nothing appears even after replacing the batteries, ensure they are installed correctly (+, –).
Why does my Mitsubishi Electric Air Conditioner operate without pressing the ON/OFF button?
Your Mitsubishi Electric Air Conditioner might be operating without the ON/OFF button being pressed because the on timer is set (press the ON/OFF button to stop operation); the air conditioner is connected to a central remote controller (consult the concerned people who control the air conditioner); the auto recovery feature from power failures has been set (press the ON/OFF button to stop operation).
What to do if the operation lamp is flashing on my Mitsubishi Electric SEZ-KD25 Air Conditioner?
If the operation lamp near the receiver for the wireless remote controller on the indoor unit is flashing, the self-diagnosis function has activated to protect the air conditioner. Do not attempt to repair this equipment yourself. Turn off the power switch immediately and consult your dealer, providing the dealer with the model name.
Why does my Mitsubishi Electric Air Conditioner stop without the ON/OFF button being pressed?
Your Mitsubishi Electric Air Conditioner might be stopping without the ON/OFF button being pressed because the off timer is set (press the ON/OFF button to restart operation); the air conditioner is connected to a central remote controller (consult the concerned people who control the air conditioner).
Why does “PLEASE WAIT” appear on my Mitsubishi Electric SEZ-KD25 remote controller?
The initial settings are being performed. Wait approximately 3 minutes.
Why does my Mitsubishi Electric Air Conditioner make draining water or motor rotation sound?
When cooling operation stops, the drain pump operates and then stops. Wait approximately 3 minutes.
Why does my Mitsubishi Electric SEZ-KD25 Air Conditioner make a flowing water or hissing sound?
These sounds can be heard when refrigerant is flowing in the air conditioner or when the refrigerant flow is changing.
Why does my Mitsubishi Electric SEZ-KD25 stop during heating mode before reaching the set temperature?
During heating mode, your Mitsubishi Electric Air Conditioner may stop before the set room temperature is reached because frost may form on the outdoor unit when the outdoor temperature is low and the humidity is high. The outdoor unit will perform a defrosting operation, and normal operation should begin after approximately 10 minutes.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | SEZ-KD25 |
| Category | Air Conditioner |
| Language | English |
