To Next PageTo Next PageWhy does my Mitsubishi Electric Air Conditioner say 'PLEASE WAIT'?
If your Mitsubishi Electric Air Conditioner displays a 'PLEASE WAIT ? check code' message, it may indicate that the connector for the outdoor unit’s protection device is not connected, or there is reverse or open phase wiring for the outdoor unit’s power terminal block. You should check the connection and wiring for the outdoor unit’s protection device.
What to do if the trouble with my Mitsubishi Electric Air Conditioner 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 activation of protection devices in the refrigerant circuit (including the compressor), poor wiring connections, or electrical noise. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the trouble occurred and wiring. After finishing service, reset check code logs and restart the unit. Note that this may also indicate that there is no abnormality in electrical components, the controller board, or the remote controller.
What to do if the trouble with my Mitsubishi Electric Air Conditioner 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. If the cause is not ascertained, continue to operate the unit for the time being. Also, there may be no abnormality concerning parts such as the electrical component, controller board, or remote controller.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | Mr.Slim PLA-ZP50EA |
| Category | Air Conditioner |
| Language | English |
General safety rules to follow before accessing terminals or supply circuits.
Specific precautions for units using R410A refrigerant, including pipe handling and tools.
Identification of various parts of the indoor unit with diagrams.
List of tools required for R410A refrigerant service and their specifications.
Explanation of the wireless remote controller's buttons, display icons, and functions.
Description of wired remote controller display modes, interface, and button functions.
Details on setting and display options for remote controller functions.
Summary of check codes and actions for reoccurring and non-reoccurring troubles.
Procedure for performing self-check and diagnosing malfunctions using the remote controller.
Detailed table of self-diagnosis check codes, causes, and countermeasures.
Troubleshooting for specific problems like LED status, vane failure, and remote controller issues.
Procedures for emergency operation when remote controls fail or are unavailable.
Methods for checking the condition of specific components like thermistors and motors.
Diagram showing test points on the indoor controller board for diagnosis.
Explanation of DIP switch and jumper wire settings for model and capacity configuration.
How the auto descending panel operates normally and handles special conditions.
Diagram of the controller board, DIP switches, and LED indicators for troubleshooting.
Troubleshooting guide for issues related to the intake grille operation.
Explanation of rotation and back-up functions for multi-unit systems.
Instructions for setting rotation and cut-in functions via wired remote controller.
