Why does my Mitsubishi Electric SLZ-KA25 Air Conditioner make draining water or motor rotation sounds?
- AAndrew BradshawSep 15, 2025
When cooling operation stops, the drain pump operates and then stops. Wait approximately 3 minutes.
Why does my Mitsubishi Electric SLZ-KA25 Air Conditioner make draining water or motor rotation sounds?
When cooling operation stops, the drain pump operates and then stops. Wait approximately 3 minutes.
What to do if an error code appears on my Mitsubishi Electric SLZ-KA25?
If an error code appears on your Mitsubishi Electric Air Conditioner's remote controller display, it indicates that the protection devices have been activated to safeguard the unit. Do not attempt to repair this equipment by yourself. Turn off the power switch immediately and consult your dealer, providing them with the model name and the information displayed on the remote controller.
Why is my Mitsubishi Electric Air Conditioner not heating or cooling well?
Your Mitsubishi Electric Air Conditioner may not be heating or cooling well due to several reasons: * A dirty or clogged filter reduces airflow. Clean the filter to resolve this. * Check and adjust the temperature settings. * Ensure there is enough space around the outdoor unit. * Make sure the indoor unit's air intake or outlet isn't blocked. * Check if any doors or windows are open.
How to fix Mitsubishi Electric SLZ-KA25 that doesn't heat or cool well?
If your Mitsubishi Electric Air Conditioner isn't heating or cooling effectively, there are several things to check: First, clean the filter if it's dirty or clogged, as reduced airflow can cause this issue. Ensure the temperature is adjusted correctly. Also, confirm that there is enough space around the outdoor unit and that the indoor unit's air intake or outlet isn't blocked. Finally, check if any doors or windows are left open.
What to do if my Mitsubishi Electric Air Conditioner operates without the ON/OFF button being pressed?
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. If the air conditioner is connected to a central remote controller, consult the concerned people who control the air conditioner. If “ ” appears in the remote controller display, consult the concerned people who control the air conditioner. Also, if the auto recovery feature from power failures has been set, press the ON/OFF button to stop operation.
What to do if my Mitsubishi Electric Air Conditioner stops without the ON/OFF button being pressed?
If your Mitsubishi Electric Air Conditioner stops without pressing the ON/OFF button, check if the off timer is set and press the ON/OFF button to restart operation. If the air conditioner is connected to a central remote controller, consult the concerned people who control the air conditioner. If “ ” appears in the remote controller display, consult the concerned people who control the air conditioner.
What to do if an error code appears on my Mitsubishi Electric SLZ-KA25 remote controller?
If your Mitsubishi Electric Air Conditioner remote controller displays an error code, it indicates that the protection devices have operated to protect the air conditioner. Do not attempt to repair this equipment by yourself. Turn off the power switch immediately and consult your dealer. Be sure to provide the dealer with the model name and information that appeared in the remote controller display.
What to do if my Mitsubishi Electric SLZ-KA25 does not restart immediately?
If, when restarting the Mitsubishi Electric Air Conditioner soon after stopping it, it does not operate even though the ON/OFF button is pressed, wait approximately three minutes. The unit has stopped to protect the air conditioner.
What does it mean if an error code appears in the remote controller display of my Mitsubishi Electric SLZ-KA25?
If an error code appears on your Mitsubishi Electric Air Conditioner's remote controller, the protection devices have been activated to safeguard the unit. Turn off the power immediately and contact your dealer. Provide the model name and the error code displayed.
Why does my Mitsubishi Electric SLZ-KA25 Air Conditioner stop by itself?
Your Mitsubishi Electric Air Conditioner might be stopping on its own because the off timer is set. If so, press the ON/OFF button to restart operation. If this is not the case, and the air conditioner is connected to a central remote controller or “ ” appears in the remote controller display, consult the concerned people who control the air conditioner.
Cooling Capacity | 2.5 kW |
---|---|
Heating Capacity | 3.2 kW |
Power Supply | 220-240 V, 50 Hz |
Energy Efficiency Ratio (EER) | 3.5 |
Weight | 9 kg |
Energy Efficiency Ratio (Cooling) | 3.5 |
Energy Efficiency Ratio (Heating) | 4.0 |
Instructions for proper disposal of the air conditioner unit at its end-of-life.
Instructions on how to start and stop the air conditioner's operation.
Guide to choosing between cooling, drying, fan, heating, and automatic modes.
Detailed steps to set up a weekly schedule for automatic operation.
Guide to setting a one-time start or stop timer for the unit.
Instructions for setting a timer to automatically turn off the unit after a specific period.
How error codes are displayed and what they signify for troubleshooting.
How to operate the unit using emergency buttons on the grille when the remote is unusable.
Instructions on how to remove, clean, and reinstall the air filters for optimal operation.
Solutions for issues like poor heating/cooling, slow warm air, or auto-stop problems.
Troubleshooting steps for airflow direction changes, strange sounds, odors, or mist.
Solutions for the operation indicator not appearing, "PLEASE WAIT", or error codes on the remote.
Warnings and requirements for electrical connections, grounding, and circuit protection.