To Next PageTo Next PageWhy does my Mitsubishi Electric PUHZ-P200YHA3 Air Conditioner remote controller display 'PLEASE WAIT'?
After the power is turned on, the Mitsubishi Electric Air Conditioner displays “PLEASE WAIT” for 2 minutes during system startup. This is normal. Wait until “PLEASE WAIT” disappears before using the remote controller.
What to do if the trouble is not reoccurring and logged in Mitsubishi Electric Air Conditioner?
If the issue isn't consistently happening but is logged, it might be due to temporary problems such as protection devices activating in the refrigerant circuit including compressor, poor wiring connections, or noise. Re-check the symptom, and inspect the installation environment, refrigerant level, weather conditions when the problem occurred, and wiring. After servicing, clear the error code logs and restart the unit.
What to do if the trouble is not reoccurring and not logged in Mitsubishi Electric Air Conditioner?
If the abnormal symptom is not reoccurring and not logged, re-check the symptom. If the cause isn't clear, continue using the unit for now.
What to do if my Mitsubishi Electric PUHZ-P200YHA3 shows error code after startup?
When the Mitsubishi Electric Air Conditioner displays error code after startup, it could be because the outdoor unit’s protection device connector is open. Check the outdoor unit’s protection device connector.
What to do if Mitsubishi Electric Air Conditioner displays error code after startup?
If your Mitsubishi Electric Air Conditioner displays error code after startup, there might be an open connection in the remote controller transmission wire. Check for an open connection in the remote controller transmission wire.
General| Cooling Capacity | 20.0 kW |
|---|---|
| Heating Capacity | 22.4 kW |
| Refrigerant | R410A |
| Sound Power Level Heating | 72 dB(A) |
| Sound Pressure Level (Outdoor Unit) | 52 dB(A) |
| Power Supply | 400V, 3-phase, 50Hz |
General safety guidelines for all repair services.
Specific safety measures for using R410A refrigerant.
Specifies refrigerant charge amounts based on piping length.
Details technical specifications for the compressor.
Presents sound pressure level data across frequency bands.
Specifies required free and service space around the unit.
Instructions for foundation bolts and piping/wiring directions.
Details power wiring specifications for installation.
Overview of error code display and corrective actions.
Essential checks to perform before initiating a test run.
Methods for accessing and interpreting unit self-diagnosis data.
How to diagnose issues that occur during unit operation.
Procedures for performing self-diagnosis during maintenance.
Steps to diagnose issues with the remote controller.
Method for diagnosing malfunctions via wireless remote.
Classifies errors by indoor/outdoor unit output patterns.
Table detailing actions for specific self-diagnosis errors.
Guides troubleshooting based on observed operational phenomena.
Common customer complaints regarding unit startup and remote control.
Troubleshooting insufficient cooling or heating capacity.
Explains normal operational sounds from the unit.
Addresses issues related to fan operation and airflow direction.
Detailed steps for checking the linear expansion valve component.
Details on the outdoor noise filter circuit board.
Details on the outdoor power circuit board.
Explains the operation and effects of various switches.
Details on special operational modes like low-sound priority.
Instructions for wiring demand control input.
Guide to configuring unit functions using the remote controller.
Procedure for selecting functions using a wired remote controller.
Procedure for selecting functions using a wireless remote controller.
Steps to access and view operational data using the remote controller.
Request codes for unit operational and control status.
Request codes for fan and actuator output states.
Request codes indicating specific error conditions.
Request codes for external inputs and unit settings.
Details of DIP switch configurations for outdoor units.
Request codes for indoor unit model and capacity configuration.
Guide to activating and using maintenance mode.
Procedure for checking operation conditions and diagnosing performance.
Steps for removing the outer service and top panels.
Instructions for removing the fan motor components.
Steps for accessing and removing the electrical parts box.
Procedures for removing various thermistor sensors.
Steps for removing 4-way valves, expansion valves, and pressure switches.
Procedures for removing the compressor and accumulator.
