To Next PageTo Next PageWhat to do if Mitsubishi Electric SUZ-KA09NA2 Air Conditioner nonvolatile memory data cannot be read?
If the nonvolatile memory data of your Mitsubishi Electric Air Conditioner cannot be read properly, replace the inverter P.C. board.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | SUZ-KA09NA2 |
| Category | Air Conditioner |
| Language | English |
Details maximum refrigerant piping length and height difference limits for various models.
Provides calculations for additional refrigerant charge based on piping length.
Presents operational data including capacity, SHF, input, current, pressures, and temperatures.
Describes the fan motor's ON/OFF operation interlocking with the compressor.
Explains the control logic for the 4-way reversing valve coil in cooling and heating.
Details how main sensors relate to compressor, LEV, fan motor, R.V. coil, and indoor fan.
Instructions for changing the defrost finish temperature by modifying a wire on the P.C. board.
Details activating/deactivating pre-heat control to prevent compressor startup issues at low temperatures.
Provides essential safety precautions and preliminary checks before starting troubleshooting.
Lists error codes, symptoms, and remedies for various operational issues.
Lists error codes, symptoms, and remarks for indoor unit detected errors.
Lists error codes, symptoms, and remarks for errors detected in outdoor units.
Guides on performing self-diagnosis using wired and wireless remotes to check error history.
Procedure for diagnosing malfunctions using the wireless remote controller and identifying error codes.
Details diagnostic methods and resistance criteria for key components like thermistors and compressor.
Provides step-by-step flowcharts for diagnosing issues with inverter, compressor, fan motor, and power supply.
Procedure to check resistance of outdoor thermistors and identify potential P.C. board issues.
Steps to check R.V. coil resistance and voltage for proper operation.
Procedure to check outdoor fan motor resistance, voltage, and smooth rotation.
Verifies power supply voltage, checks for main circuit issues, and tests LEV coil operation.
Diagnoses inverter P.C. board issues by checking fuses, connections, and LED indications.
Guides on checking for miswiring, poor contact, and serial signal errors in the connecting wire.
Verifies defrost heater function and diagnoses outdoor refrigerant circuit issues.
Provides steps to identify and mitigate electromagnetic noise affecting nearby electronic devices.
Diagrams showing test points, voltage measurements, and component locations on the inverter P.C. board.
Graphs showing resistance vs. temperature for various thermistors.
Guides on setting unit functions like auto recovery, sensor detection, and external static pressure.
Table detailing external static pressure settings for SEZ models.
Table detailing external static pressure settings for PEAD models.
Table detailing external static pressure settings for SVZ models.
Instructions for accessing and navigating the service menu for maintenance and settings.
Details on how to select and adjust various function settings via the remote controller.
Guides on setting refrigerant addresses and unit numbers for connected indoor units.
Procedure to check the indoor unit number and initiate fan operation for confirmation.
Detailed steps for disassembling the outdoor unit cabinet and its components.
Procedure for removing the inverter assembly, P.C. board, and related connectors.
Steps to disconnect connectors and remove the R.V. coil assembly.
Procedure for removing discharge, defrost, outdoor heat exchanger, and ambient thermistors.
