To Next PageTo Next PageWhat to do if the trouble with Mitsubishi Electric Air Conditioner is reoccurring?
If the trouble with your Mitsubishi Electric Air Conditioner is reoccurring, you should first determine the cause and then take corrective action according to the self-diagnosis action table. Also, conduct troubleshooting to ascertain the exact cause of the problem.
What to do if the trouble with Mitsubishi Electric Mr.Slim PCY-P18KA.TH is not logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not logged, first re-check the abnormal symptom. If the cause is not ascertained, continue to operate the unit for the time being. Note that there might be no abnormality concerning parts such as the electrical component, controller board, remote controller, etc. Also conduct troubleshooting to ascertain the cause of the trouble.
What to do if the trouble with Mitsubishi Electric Mr.Slim PCY-P18KA.TH is not reoccurring?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring, 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 the installation environment, refrigerant amount, weather when the trouble occurred, and matters related to wiring. After finishing service, reset check code logs and restart the unit. Note that there might be no abnormality in the electrical component, controller board, remote controller, etc.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | Mr.Slim PCY-P18KA.TH |
| Category | Air Conditioner |
| Language | English |
Lists service manuals for associated outdoor units.
Lists technical data books for outdoor units.
General safety rules to follow before starting work.
Specific safety measures for R410A refrigerant.
Identifies and describes the components of the indoor unit.
Explains the functions of the display and operation buttons.
Details the display indicators and button functions of the wireless remote.
Explains the two display modes for the PAR-31MAA controller.
Details the functions and settings available through the main menu.
Lists specifications for PCY-P18KA.TH, PCY-P24KA.TH, and PCY-P30KA.TH models.
Graphs illustrating airflow rate versus static pressure for various models.
Octave band sound pressure levels for different fan speeds.
Detailed dimensions and required installation clearances.
Detailed dimensions and required installation clearances.
Physical dimensions of the PAR-21MAA and PAR-31MAA wired controllers.
Physical dimensions of the wireless remote controller.
Illustrates the electrical connections between indoor and outdoor units.
Diagram showing the flow of refrigerant through the system components.
General approach to troubleshooting based on check codes and reoccurrence.
Steps for performing self-diagnosis using the wired remote controller.
Steps for performing self-diagnosis using the wireless remote controller.
Lists error codes, symptoms, and check codes for indoor unit malfunctions.
Lists error codes, symptoms, and check codes for external unit malfunctions.
Troubleshooting based on LED indicators and message displays.
Details causes and countermeasures for thermistor and float switch errors.
Causes and solutions for freezing protection and pipe temperature related issues.
Causes and solutions for condenser/evaporator temperature related issues.
Troubleshooting for remote controller transmission and signal receiving errors.
Diagnosing communication failures between indoor and outdoor units.
Troubleshooting for transmitting errors and indoor controller board issues.
Diagnosing forced compressor stop and abnormal refrigerant circuit conditions.
Troubleshooting when LED2 on the indoor controller board is off.
Diagnosing LED2 blinking and vane motor performance failures.
Troubleshooting problems with the wireless remote controller receiver.
How to use emergency operation when the wireless remote fails.
How to activate emergency operation for unit failures.
Methods for checking thermistors and the vane motor.
Procedures for testing the drain pump and drain float switch.
Step-by-step guide to check the DC fan motor and related components.
Diagram showing test points and connector locations on the indoor controller board.
How to set the model and capacity using DIP switches.
Setting the pair number for wireless remote controller communication.
Steps for removing the air intake grilles and filters.
Instructions for safely removing the electrical box.
Steps for removing the indoor controller board.
Instructions for removing the fan motor and sirocco fan assembly.
Steps for removing the sirocco fans and shaft.
Instructions for removing the right and left side panels.
Steps for removing the vane motor (gear box).
Instructions for removing the under panel.
Steps for removing the drain pan.
Instructions for removing the liquid and condenser/evaporator thermistors.
Steps for removing the guide vane.
Instructions for removing the auto vane.
Steps for removing the heat exchanger.
