To Next PageTo Next PageWhat to do if Mitsubishi Electric Air Conditioner trouble is reoccurring?
If the trouble with your Mitsubishi Electric Air Conditioner is reoccurring, assess the problem and take corrective action as outlined in the “9-3. SELF-DIAGNOSIS ACTION TABLE”. Also, perform troubleshooting to identify the cause of the issue, referring to “9-4. TROUBLESHOOTING OF PROBLEMS”.
What to do if Mitsubishi Electric PUZ-HA30NKA Air Conditioner trouble is not reoccurring and not logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and not logged, re-check the abnormal symptom. If the cause isn't clear, continue operating the unit for the time being. Also, conduct troubleshooting and ascertain the cause of the trouble according to “9-4. TROUBLESHOOTING OF PROBLEMS”. There is no abnormality concerning of parts such as electrical component, controller board, remote controller, etc.
What to do if Mitsubishi Electric PUZ-HA30NKA Air Conditioner trouble is not reoccurring and logged?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring but is logged, consider temporary issues like protection device activity in the refrigerant circuit including compressor, loose wiring, or electrical noise. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the trouble occurred, matters related to wiring, etc. After finishing service, reset the error code logs and restart the unit. There is no abnormality in electrical component, controller board, remote controller, etc.
What to do if the trouble is not reoccurring and is logged on my Mitsubishi Electric Air Conditioner?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and is logged, it could be due to temporary defects like protection device activation in the refrigerant circuit (including the compressor), loose wiring, or noise. Re-examine the symptoms and inspect the installation environment, refrigerant level, weather conditions when the issue occurred, and wiring connections. Also, after servicing, remember to reset the check code logs and restart the unit.
What to do if the trouble is not reoccurring and is not logged on my Mitsubishi Electric PUZ-HA30NKA?
If the trouble with your Mitsubishi Electric Air Conditioner is not reoccurring and is not logged, re-check the abnormal symptom. If you cannot ascertain the cause, continue to operate the unit for the time being. Also, conduct troubleshooting and ascertain the cause of the trouble according to "10-4. TROUBLESHOOTING BY INFERIOR PHENOMENA".
General| Brand | Mitsubishi Electric |
|---|---|
| Model | PUZ-HA30NKA |
| Category | Air Conditioner |
| Language | English |
Essential safety precautions to follow before and during repair services.
Specific safety guidelines for working with R410A refrigerant, emphasizing proper handling and tools.
Precautions for refrigerant piping work, including pipe thickness, flare dimensions, and tool requirements for R410A.
Describes the pre-charged refrigerant system for piping length at shipment, eliminating additional charging work.
Table detailing refrigerant charge amounts for various piping lengths and models.
Technical data for compressors, including model, motor output, RLA, LRA, and starter type.
Graphical representation of noise levels (SPL) across different frequency bands for cooling and heating modes.
Table of standard operational data including electrical, refrigerant, and temperature specifications for different models.
Illustrations and specifications for power supply wiring patterns between indoor and outdoor units.
Wiring patterns and specifications for systems where indoor and outdoor units have separate power supplies.
Guidelines for indoor-outdoor connecting cable lengths and types.
Instructions on M-NET wiring, including points to notice, grounding, and transmission wire specifications.
Procedure for pump-down operation to collect refrigerant before relocating or disposing of the unit.
Instructions for performing test runs, including setting operation modes and starting/stopping the unit.
Summary of actions for reoccurring and non-reoccurring troubles based on self-diagnosis check codes.
Pre-test run checks, including refrigerant leak, connections, polarity, and impedance measurements.
Lists error codes and symptoms for outdoor unit and communication errors detected by indoor units.
Table detailing causes and judgments for abnormalities detected when power is turned on.
Troubleshooting guide for common phenomena like remote controller issues, abnormal sounds, and insufficient capacity.
Diagnosis flow and causes for the "Please Wait" display on the remote controller during startup.
Troubleshooting steps for when the remote controller display shows nothing, checking power supply and wiring.
Further diagnosis for blank remote controller display, checking LED status and refrigerant address.
Additional troubleshooting for blank remote controller display, checking LED status and voltage.
Responding to customer calls about the unit not operating at all, including power supply and restart issues.
Explains normal operational sounds like escaping gas, cracking, buzzing, ticking, and water flow.
Describes airflow direction changes during cooling and heating, and issues with vane movement.
Explains white mist from indoor unit and water expulsion from outdoor unit, plus battery issues.
Guides on checking various components like thermistors, solenoid valves, motors, and expansion valves using a multimeter.
Procedure for checking DC fan motor and outdoor controller circuit board when the fan does not rotate.
Detailed charts and graphs for checking thermistor resistance values at various temperatures.
Explains the operation, pulse signals, and connection of the linear expansion valve for HA24 models.
Describes the operation, pulse signals, and connection of the linear expansion valve for HA30/36/42 models.
Step-by-step instructions on how to safely attach and detach the coil of the linear expansion valve.
Step-by-step guide to perform emergency operation by setting specific switches and pins.
Diagrams illustrating test points on the outdoor controller circuit board for troubleshooting.
Detailed diagram of the outdoor power circuit board for PUZ-HA24NHA1, showing components and test points.
Detailed diagram of the outdoor power circuit board for PUZ-HA30NKA/PUZ-HA36NKA, showing components and test points.
Detailed diagram of the outdoor power circuit board for PUZ-HA42NKA1, showing components and test points.
Explanation of the functions and settings of various DIP switches (SW1, SW4, SW5, SW6, SW8, SW9) on the outdoor unit.
Description of the function and effective timing of the emergency operation connector (CN31).
Details on low-level sound priority mode and on-demand control using external signals or switches.
Explains how LED indicators on the outdoor controller board display abnormalities and status.
Function to display maintenance data like heat exchanger temperature and compressor current for easier inspection.
Guide to check operation conditions by comparing temperature differences and using graphs for diagnosis.
Instructions on how to set unit functions like temperature detection, filter sign, and vane settings via remote controller.
Procedure for monitoring operation data by requesting specific codes via the remote controller.
Comprehensive list of request codes for monitoring various operational data and settings.
Detailed explanations for request codes related to operation state, indoor/outdoor unit control, and compressor frequency.
Step-by-step guide with photos for removing the service panel and top panel of the outdoor unit.
Instructions for removing the electrical parts box, including disconnecting wires and connectors.
Procedure for removing thermistors TH3 and TH6, noting replacement of TH6 with TH7.
Steps for removing the high pressure switch (63H), including refrigerant recovery and pipe disconnection.
Detailed procedure for removing the compressor, including associated parts and refrigerant recovery.
Steps for removing the base heater, including motor support and associated connectors.
Guide for removing service and top panels for PUZ-HA30NKA/HA36NKA/HA42NKA1 models.
Instructions for removing the electrical parts box for HA30/36 and HA42 models.
Procedure for removing thermistors TH6 and TH7 for HA30/36 and HA42 models.
Steps to remove thermistor TH4 for HA30/36 models.
Procedure for removing thermistors TH3, TH32, and TH33 for HA30/36 models.
Steps for removing the 4-way valve coil and LEV coils for HA30/36 models.
Procedure for removing the reactor (DCL) for HA30/36 and HA42 models.
Explains the functions of the remote controller buttons and display icons for basic operation.
How to view and reset error codes displayed on the remote controller, including contact information.
Guide to accessing and navigating the Service Menu, including password entry and available options.
Procedure for performing test runs for different modes and checking auto vane function.
Instructions for setting indoor unit functions like refrigerant address, unit number, and modes via the remote controller.
How to view and delete error history records from the remote controller.
Procedure for performing self-diagnosis, checking unit status, and resetting error history.
Guide to diagnose the remote controller itself for faults and communication issues.
How to use the "Smooth maintenance" function to view operational data and aid in inspection.
Instructions on using request codes to monitor specific operation data, thermistor temperatures, and error history.
