To Next PageTo Next PageWhat to do if my Mitsubishi Electric MCFH-24NV-E3 Air Conditioner flashes 5 times?
If your Mitsubishi Electric Air Conditioner flashes 5 times, it indicates a problem with the outdoor power system. Check the inverter output and the compressor.
Why does my Mitsubishi Electric Air Conditioner flash 10 times?
If your Mitsubishi Electric Air Conditioner flashes 10 times, it indicates an outdoor refrigerant system error. Check the amount of gas, the outdoor control P.C. board, and the contact of LEV board connectors.
What does it mean when my Mitsubishi Electric Air Conditioner flashes on and off?
If your Mitsubishi Electric Air Conditioner flashes on and off at 0.5-second intervals, it indicates indoor/outdoor unit mis-wiring. Refer to E "How to check mis-wiring and serial signal error (When outdoor unit doesn't work)" on page 49.
What does a 1-time flash mean on a Mitsubishi Electric MCFH-24NV-E3?
If your Mitsubishi Electric Air Conditioner flashes once, it indicates a trouble of serial signal between the outdoor and indoor units. Refer to E "How to check mis-wiring and serial signal error (When outdoor unit doesn't work)" on page 49.
What does it mean when my Mitsubishi Electric MCFH-24NV-E3 Air Conditioner flashes 2 times?
If your Mitsubishi Electric Air Conditioner flashes 2 times, it indicates a problem with the room temperature or indoor coil temperature thermistor of the indoor unit. Check the room temperature thermistor and indoor coil temperature thermistor. Refer to "Test point diagram and voltage" on page 52.
What does it mean when my Mitsubishi Electric MCFH-24NV-E3 Air Conditioner flashes 6 times?
If your Mitsubishi Electric Air Conditioner flashes 6 times, it indicates a problem with the outdoor thermistor of the outdoor unit. Refer to H "Check of outdoor thermistor".
What does it mean when my Mitsubishi Electric MCFH-24NV-E3 Air Conditioner flashes 7 times?
If your Mitsubishi Electric Air Conditioner flashes 7 times, it indicates a problem with the control P.C. board of the outdoor unit. Check the outdoor control P.C. board.
What to do if Mitsubishi Electric MCFH-24NV-E3 indoor unit doesn't operate when pressing EMERGENCY OPERATION switch?
If the indoor unit of your Mitsubishi Electric Air Conditioner doesn't operate when the EMERGENCY OPERATION switch is pressed, you should check the indoor/outdoor connecting wire. Refer to C "Check of indoor electronic control P.C. board" on page 47.
General| Model | MCFH-24NV-E3 |
|---|---|
| Category | Air Conditioner |
| Manufacturer | Mitsubishi Electric |
| Cooling Capacity | 24, 000 BTU/h |
| Heating Capacity | 27, 000 BTU/h |
| Phase | 1 |
| Frequency | 60 Hz |
| Refrigerant | R410A |
| Voltage | 208/230V |
Lists the available indoor unit models for the service manual.
Details revisions and modifications made to the product.
Identifies and describes the components of the indoor unit.
Lists the included accessories for the indoor unit.
Identifies the components of the outdoor unit.
Lists the included accessories for the outdoor unit.
Details the function of each button on the remote controller.
Provides technical data and ratings for indoor units.
Provides technical data and ratings for outdoor units.
Shows physical dimensions and installation clearances for indoor units.
Shows physical dimensions and required clearances for outdoor units.
Illustrates the electrical connections for the indoor unit.
Illustrates the electrical connections for the outdoor unit.
Diagram of the refrigerant circuit for the MCFH-13NV model.
Diagram of the refrigerant circuit for the MCFH-18NV model.
Diagram of the refrigerant circuit for the MCFH-24NV model.
Details refrigerant piping length and height difference limits.
Instructions for adding refrigerant for longer piping.
Graphs illustrating cooling performance under various conditions.
Graphs illustrating heating performance under various conditions.
Data on outdoor unit pressure and current during cooling.
Data on outdoor unit current during heating.
Table of cooling performance data for 220V operation.
Table of cooling performance data for 240V operation.
Table of heating performance data.
Explanation of the microprocessor control system.
Describes the meaning of the indoor unit's operation indicator lamp.
Details on operating in I FEEL CONTROL modes.
Specific operational details for the DRY mode.
Specific operational details for the HEAT mode.
Mechanism to prevent cold air discharge during heating.
System protection against high discharge pressure.
Control logic for the R.V. coil.
Conditions and timing for defrosting operation.
Steps for setting and canceling timers.
Procedures for emergency or test run operation.
How the unit restarts automatically after power loss.
Forcing defrost mode for service purposes.
Changing defrost interval and temperature settings.
Shortening timer delays for service.
Modifying PC boards for multiple remote controllers.
Important safety and handling notes before troubleshooting.
General steps for diagnosing unit problems.
Decision tree for diagnosing unit operation issues.
Table correlating indicator flashes to symptoms and checks.
Resistance checks for key operational components.
Steps to diagnose issues with the indoor fan motor.
Diagnosing problems with the remote and receiver.
Diagnosing issues with the indoor electronic control board.
Initial troubleshooting steps for the outdoor unit.
Detailed checks for the outdoor compressor and fan motor.
Diagnosing wiring and serial communication problems.
Verifying operational modes and R.V. coil function.
Checks for defrost and ambient thermistors.
Diagram of the indoor P.C. board with test points.
Diagram of the outdoor deicer P.C. board.
Steps for disassembling the indoor unit components.
Steps to remove the indoor heat exchanger.
Steps to remove the outdoor unit cabinet.
Steps to remove the outdoor deicer P.C. board.
Steps to remove the outdoor fan motor.
Steps to remove the compressor.
List of structural components for indoor units.
List of electrical components for indoor units.
List of accessories for indoor units.
List of structural components for MCFH-13NV outdoor units.
List of electrical parts for MCFH-13NV outdoor units.
List of accessories for MCFH-13NV outdoor units.
List of structural components for MCFH-18NV outdoor units.
List of structural components for MCFH-24NV outdoor units.
List of structural components for MCFH-24NV outdoor units.
Details and replacement information for the air cleaning filter.
Details and replacement information for the deodorizing filter.
