To Next PageTo Next PageWhat to do if the Mitsubishi Electric Mr. Slim PLA-A12EA7 Air Conditioner trouble is reoccurring?
If the trouble with your Mitsubishi Electric Air Conditioner is reoccurring, you should judge what is wrong and take corrective action according to “9-3. SELF-DIAGNOSIS ACTION TABLE”. Also, conduct troubleshooting and ascertain the cause of the trouble according to “9-4. TROUBLESHOOTING BY INFERIOR PHENOMENA”.
What to do if the Mitsubishi Electric Air Conditioner trouble is not reoccurring but is logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring but is logged, consider temporary defects such as the work of protection devices in the refrigerant circuit including compressor, poor connection of wiring, or noise. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the trouble occurred, matters related to wiring, etc. Also, reset check code logs and restart the unit after finishing service. Note that there might be no abnormality in the electrical component, controller board, remote controller, etc.
What to do if the Mitsubishi Electric Mr. Slim PLA-A12EA7 Air Conditioner trouble is not reoccurring and is not logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and is not logged, re-check the abnormal symptom. Conduct troubleshooting and ascertain the cause of the trouble according to “9-4. TROUBLESHOOTING BY INFERIOR PHENOMENA”. If the cause is not ascertained, continue to operate the unit for the time being. Note that there is no abnormality concerning parts such as the electrical component, controller board, remote controller, etc.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | Mr. Slim PLA-A12EA7 |
| Category | Air Conditioner |
| Language | English |
General safety warning before accessing terminal, all supply circuits must be disconnected.
Cautions for units utilising refrigerant R410A, including piping and handling.
Important precautions for performing service, including refrigerant recovery and filter replacement.
Procedure for charging refrigerant directly from a cylinder using syphon type.
List of exclusive service tools required for R410A refrigerant.
Diagram and labels identifying components of the indoor unit.
Explanation of the wired remote controller interface, buttons, and displays.
Explanation of display modes, icons, menu structure, and settings.
Diagram and explanation of the IR wireless remote controller buttons and displays.
Technical specifications for the PLA-A12EA7 indoor unit, including power, airflow, and noise levels.
Technical specifications for the PLA-A18EA7 indoor unit, including power, airflow, and noise levels.
Technical specifications for the PLA-A24EA7 indoor unit, including power, airflow, and noise levels.
Technical specifications for the PLA-A30EA7 indoor unit, including power, airflow, and noise levels.
Technical specifications for the PLA-A36EA7 indoor unit, including power, airflow, and noise levels.
Technical specifications for the PLA-A42EA7 indoor unit, including power, airflow, and noise levels.
Noise criterion curves for PLA-A12EA7, showing sound pressure levels across frequency bands.
Noise criterion curves for PLA-A18EA7, showing sound pressure levels across frequency bands.
Noise criterion curves for PLA-A24EA7, showing sound pressure levels across frequency bands.
Noise criterion curves for PLA-A30EA7, showing sound pressure levels across frequency bands.
Noise criterion curves for PLA-A36EA7, showing sound pressure levels across frequency bands.
Noise criterion curves for PLA-A42EA7, showing sound pressure levels across frequency bands.
Diagrams illustrating the external dimensions and installation clearances for various indoor unit models.
Schematic diagrams detailing electrical connections for indoor units and remote controllers.
Diagram illustrating the refrigerant circuit and flow direction during cooling and heating.
Guide for diagnosing and resolving unit issues based on reoccurring or non-reoccurring symptoms.
Procedure for using the remote controller to diagnose malfunctions and check error codes.
Lists of error codes for indoor/outdoor units, symptoms, remarks, and LED indicator explanations.
Table detailing check codes, abnormal points, causes, and countermeasures for unit issues.
Detailed troubleshooting steps for specific error codes like P6, P8.
Detailed troubleshooting steps for specific error codes like P9, PA, E0/E4.
Detailed troubleshooting steps for error codes E3/E5, E6, E7, Fb.
Detailed troubleshooting steps for error codes E1/E2, Pb, PL.
Troubleshooting based on specific operational phenomena like vane failure or receiver issues.
Guide to setting various unit functions using the remote controller.
Explanation of rotation, back-up, and 2nd stage cut-in functions for multi-unit systems.
Outline and system constraints for rotation and back-up functions.
Instructions for setting rotation and cut-in functions via the wired remote controller.
Step-by-step guide to setting rotation and back-up functions via the service menu.
Explanation of the back-up heater operation and conditions.
Procedure for adjusting the heater ON delay time using the wired remote controller.
Steps to remove the air intake grille and filter from the indoor unit.
Steps to remove the electrical box cover after removing the grille and filter.
Procedures for removing the room temperature thermistor and indoor controller board.
Steps for removing the electrical box, turbo fan, and fan motor.
Procedure to remove panels, electrical box cover, corner panel, and grille.
Steps to remove the electrical box, bell mouth, and drain pan.
Procedure to remove the drain pan, coil plate, and disconnect thermistors.
Steps to remove the drain pump and float switch.
Steps to remove the heat exchanger assembly including covers and supports.
