To Next PageTo Next PageWhat to do if my Mitsubishi Electric Air Conditioner indoor control system is not reading data?
If the Mitsubishi Electric Air Conditioner's indoor control system cannot properly read data in the nonvolatile memory of the indoor electronic control P.C. board, you should replace the indoor electronic control P.C. board.
What to do if my Mitsubishi Electric MSZ-GL09NA-U1 Air Conditioner has other abnormality?
If your Mitsubishi Electric Air Conditioner shows other abnormality, check the stop valve, the 4-way valve and check the abnormality in detail using the failure mode recall function for outdoor unit.
General| Cooling Capacity | 9, 000 BTU |
|---|---|
| SEER | 21.0 |
| EER | 12.5 |
| HSPF | 10.0 |
| Refrigerant | R-410A |
| Operating Temperature (Cooling) | 14°F to 115°F |
| Type | Mini-Split |
| Heating Capacity | 10, 000 BTU |
| Voltage | 208/230V |
| Noise Level (Indoor) | 19 dB(A) |
| Power Supply | Single Phase |
Provides guidance for diagnosing and resolving issues.
Warns against using non-specified refrigerants and potential hazards.
Outlines necessary steps before starting repair work.
Lists safety measures to follow while performing repairs.
Critical warnings related to refrigeration circuit and compressor safety.
Explains the auto restart feature and how to disable it.
Details the COOL mode, including frost prevention.
Details the DRY mode, including frost prevention.
Details the HEAT mode, including cold air prevention.
Describes the "I FEEL CONTROL" mode for temperature sensing.
Defines how initial set temperature is decided in I FEEL CONTROL.
Details automatic switching between COOL and HEAT modes.
Energy saving mode with temperature and vane adjustments.
High-performance mode for specific models.
How to set and save preferred operation settings.
How to use the emergency operation switch for testing or emergencies.
Initial checks before starting troubleshooting procedures.
Safety and handling precautions during servicing.
Step-by-step guide for diagnosing issues.
Overview of the function to recall past errors.
Step-by-step guide for using the failure mode recall function.
Procedures to exit the failure mode recall function.
Steps to clear stored error data.
Table detailing indoor unit failure modes, conditions, and remedies.
A general decision tree for diagnosing unit issues.
Guides for checking specific components like thermistors or wiring.
Lists abnormalities indicated by the operation indicator lamp.
Troubleshooting for conflicting operation modes in MXZ systems.
Resistance values for key components like thermistors and motors.
Detailed steps for diagnosing indoor fan motor issues.
Specific diagnostic steps for the GL24NA fan motor.
Steps to check if the remote controller is functioning correctly.
Diagnostic steps for indoor power PCB and fan motor.
Measuring vane motor coil resistance.
Diagnostic steps for GL18NA indoor power PCB and fan motor.
Diagnostic steps for GL24NA indoor control PCB and fan motor.
Verifying power supply voltage and wiring integrity.
Diagnosing serial signal errors between units.
Verifying power supply and wiring for GL18-24NA models.
Diagnosing serial signal errors for GL18-24NA models.
