Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (2023)

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June 14, 2021byJianwen0Comments4017 Views

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Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (1)

June 14, 2021byJianweninArticles

Mitsubishi Heavy Industries Error Codes Introduction

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (2)

Ever waking up in the morning only to see a set of weird error codes on your Mitsubishi Heavy Industries Aircon? Unsure what is it and how do you troubleshoot it? Rest assured, you can always get into contact with an aircon technician from Silverback Aircon to request for a site visit, aircon servicing or even aircon repair. This article acts as a guide to bring you through some of the possible Mitsubishi Heavy Industries Aircon Error Codes. Additionally, it also gives you the possible actions that could be taken to resolve these issues.

However, if you are the type of hands-on personnel and wishes to take action immediately, you cancontact us here. Alternatively, feel free to click on the button below to contact us via whatsapp. We will be able to use our expertise to provide our professional advice to you. Additionally, feel free to give us a call at +65 9651 5152 for a free consultation.

Mitsubishi Heavy Industries vs Mitsubishi Electric

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (3)

Before we dive straight to the topic, you must be wondering about the differences between Mitsubishi Heavy Industries Aircon & Mitsubishi Electric Aircon. Here is an overview of the differences between both of them.

Mitsubishi Electric is known to have develop a high-quality and reliable AC System. This brand delivers some of the most advanced air-conditioner units around Singapore. Additionally, they are also known to be durable enough. On the other hand, Mitsubishi Heavy Industries develop reliable systems that can last longer as compared to Mitsubishi Electric. In addition, their units are able to serve bigger rooms with no concerns with regards to the size of the room. Some of the benefits includes Better Performance, Longer Experience, Cost Effective, etc.

Possible Mitsubishi Heavy Industries Aircon Error Codes

When the AC unit performs an emergency stop, the reason is indicated by a set of error code. The possibleMitsubishi Heavy Industries Aircon Error Codesis split into 2 portion. However, it is highly dependent on the brand and model of your aircon. As a result, there’ll definitely be some differences.

Model: SCM40, 45, 50, 60, 71, 80

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (6)

Type of Error CodesDescriptionPossible Causes
E1Error of Wired Remote Controller Wiring

– Broken Wire Remote Controller Wire

– Defective Indoor PCB

E5Error of Signal Transmission

– Defective Power Supply

– Broken Signal Wire

– Defective Indoor/Outdoor Sub PCB

E9Drain Trouble

– Defective Drain Pump

– Broken Drain Wire

– Defective Indoor PCB Faulty

E16Indoor Fan Motor Error

– Defective Fan Motor

– Poor Connector Connection

E35Cooling High Pressure Protection

– Overload Operation

– Overcharge

– Broken Outdoor Heat Exchange Sensor Wire

(Video) Mitsubishi Heavy Industries Air Conditioner Error Code and Troubleshooting

– Service Valve is closed

E36Overheating on Compressor

– Gas Shortage

– Defective Discharge Pipe Sensor

– Service Valve is closed

E37Outdoor Heat Exchange Sensor Error

– Broken Heat Exchange Sensor Wire

– Poor Connector Connection

– Outdoor Main PCB Faulty

E38Outdoor Air Temperature Sensor Error

– Broken Outdoor Air Temperature Sensor Wire

– Poor Connector Connection

– Outdoor Main PCB Faulty

E39Discharge Pipe Sensor Error

– Broken Discharge Pipe Sensor Wire

– Poor Connector Connection

– Outdoor Main PCB Faulty

E42Current Cut

– Compressor Locking

– Open phase on compressor output

– Short circuit on power transistor service valve is closed

E45Outdoor Sub PCB Communication Error

– Outdoor Sub PCB Faulty

– Poor connector connection between outdoor Main PCB and Sub PCB

E47Active Filter Voltage Error– Defective Active Filter
E48Outdoor Fan Motor Error

– Defective Fan Motor

– Poor Connector Connection

E51Power Transistor Error– Broken Power Transistor
E53Outdoor Suction Pipe Sensor Error

– Broken Suction Pipe Sensor Wire

– Poor Connector Connection

– Outdoor Sub PCB Faulty

E57Refrigeration Cycle System Protective Control

– Service Valve is closed

– Insufficient Refrigerant

E58Current Safe Stop

– Overload Operation

– Overcharge

– Compressor Locking

E59Trouble of Outdoor Unit

– Broken Compressor Wire

– Compressor Blockage

E60Rotor Lock

– Defective Compressor

– Open Phase on Compressor

– Defective Outdoor PCB

Model: SCM100,125

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (7)

Most of the error codes is similar to the ones above. The table below shows the Mitsubishi Heavy Industries Aircon Error Codes that are different:

Type of Error CodesDescriptionPossible Causes
E35Cooling High Pressure Protection

– Overload Operation

– Overcharge

(Video) Mitsubishi heavy industries ac error codes

– Broken High Pressure Sensor Wire

– Service Valve is closed

E40Heating High Pressure Protection

– Overload Operation

– Overcharge

– Broken High Pressure Sensor Wire

– Service Valve is closed

E41Power Transistor Error– Power Transistor Overheat
E51Inverter and Fan Motor Anamoly

– Outdoor Inverter/Control PCB Faulty

– Outdoor Fan Motor Faulty

E54High Pressure Sensor Error– Broken High Pressure Sensor Wire

Mitsubishi Heavy Industries Aircon Light-Blinking?

Alternatively, you can see whether the light is blinking, and it will help you in determining what is the type of error. Meanwhile, the table below shows some of the possible errors observed via number of light blinking:

RUN LightTIMER LightDescription
Light UpFlash 1 timePower Cut
Flashes 2 timesOutdoor Unit Error
Flashes 3 timesOver Current (Safe Current)
Flashes 4 timesPower Transistor Failure
Flashes 5 timesCompressor Overheat
Flashes 6 timesError of communication between Indoor & Outdoor Units
Flash 1 timeLight UpIndoor Heat Exchange Sensor Error
Flashes 2 timesRoom Temperature Sensor Error
Flashes 5 timesVoltage Error
Flashes 6 timesIndoor Fan Motor Error
Continuous FlashingFlash 1 timeOutdoor Air Temperature Sensor Error
Flashes 2 timesOutdoor Heat Exchange Pipe Sensor Error
Flashes 4 timesVent Pipe Sensor Error
Flashes 2 timesFlashes 2 timesRotor Lock

However, in the situation that none of the above matches your scenario, feel free to contact us directly for advice and consultation. We will be glad to offer you our help.

(Video) Mitsubishi Heavy Industries Air Conditioner Timer and Run Light Blinking

FAQ

Why is my mitsubishi heavy industries aircon light blinking?

The possible errors can be determined via the number of times the light blinks.

light up + flash 1 time : power cut. flash 2 times : outdoor unit error. flash 3 times : over current. flash 4 times : power transistor failure. flashes 5 times : compressor overheat. flashes 6 times : error of communication between indoor and outdoor units.

for other combinations, you may refer to the table above.

Why is my mitsubishi heavy industries aircon not cold?

When such a situation occurs, it may be due to a clogged air filter, a dirty condensor coil, a defective compressor or even a busted thermostat. There can also be other reasons and it is best to contact us for help, given that we have a team of experienced and professional technicians who are ready to help.

How to maintain my mitsubishi heavy industries aircon?

It is recommended that you regularly clean the air filters of your mitsubishi heavy industries aircon. You should change the air filter once a month, and check if the air conditioning coils are clean. You also need to flush drain channels, as a clogged drainage system may affect the aircon’s ability to reduce humidity.

A good idea would be to hire professionals to offer you maintenance and washing services. Here at silverback aircon, we are dedicated to ensuring the health and maintenance of your air conditioners.

Conclusion on Mitsubishi Heavy Industries Aircon Error Codes

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (8)

In conclusion, an error code will usually be displayed on the Room AC if any abnormal actions is observe. As a result, being able to identify the type of Mitsubishi Heavy Industries Aircon Error Codes helps you to accurately link up with the technician. In addition, the technician will be able to prepare and bring the necessary spare parts needed during the appointment. Meanwhile, feel free to contact us at +65 9651 5152 if you have any other queries or even to schedule for a Aircon Repair Service.

(Video) Mitsubishi Ac Error Code List l Mitsubishi Ac 6 Time Light Blinking l Ac Green light Blinking

Other Brands Error Codes

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (9)

If you require any assistance on the Aircon Error Codes for other brands, you can refer to:

                                1. Mitsubishi Aircon Error Code
                                2. Daikin Aircon Error Code
                                3. Panasonic Aircon Error Code
                                4. LG Aircon Error Code
                                5. Fujitsu Aircon Error Code
                                6. Midea Aircon Error Code
                                7. Toshiba Aircon Error Code

WHY SILVERBACK AIRCON?

Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (10)Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (11)Mitsubishi Heavy Industries Aircon Error Codes | Light Blinking? (12)

At Silverback Aircon, our friendly staff and technicians will provide you with the most efficient service for the best and affordable price. Furthermore, all of our spare parts are tested, refurbished and commissioned before selling it to you. Therefore, you can trust us with all your aircon servicing needs. For any enquiries with regards to Mitsubishi Heavy Industries Aircon Error Codes, or other brands, don’t be hesitant to contact us. Our friendly staff will be able to provide you with all the necessary information. Meanwhile, you can book an appointment with us for a site visit so that we will be able to give our professional advice to you. We also provide other aircon services as well.

For more information , CALL/WHATSAPP us at 96515152!

CALL US NOW

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(Video) Resetting a Mitsubishi heavy hard wired controller

FAQs

Why is my Mitsubishi Heavy Industries aircon light blinking? ›

light up + flash 1 time : power cut. flash 2 times : outdoor unit error. flash 3 times : over current. flash 4 times : power transistor failure.

How do I fix the flashing light on my Mitsubishi aircon? ›

If the unit has developed a fault, as indicated by the indoor green operation light blinking, you'll need to switch off the isolator, leaving it off for 20 seconds or more before turning it back on. This will allow the system to reboot and reset, which should resolve the issue.

How do I reset my Mitsubishi Heavy Industries air conditioner? ›

Try to reset your system as a first step

Separate your air conditioning system from its power supply. Unplug it from a power point, turn off the isolator next to the outdoor unit or shut down your house's power from the electrical board. Then leave it for 15 to 30 minutes.

How do I find my aircon error code? ›

You have to continuously. Press one by one. And when the beep sound will come at that time it means

Why is the aircon light blinking? ›

When the compressor in the air conditioner has failed it will not be able to perform its function which is to circulate the refrigerant necessary for heat exchange through the coils of the indoor and outdoor unit. When this happens, the aircon will reflect with blinking lights and may not operate for long.

What are the 2 green lights on Mitsubishi mini split? ›

Two green lights

If both lights are green this indicates that your heat pump has not yet reached the set temper- ature and that the system is working to heat or cool your room. The indoor unit sensors are intuitive and will identify temperature drops or increases over 2°C from the set temperature of your heat pump.

Why is my aircon light blinking orange? ›

If the timer lamp on your AC unit is flashing orange, the Streamer unit needs to be cleaned.

Why is my Mitsubishi mini split blinking? ›

This blinking light is actually a self-diagnosis mechanism that Mitsubishi Electric had designed that enables consumers & contractors to quickly identify a fault with its system.

How do I reset my air conditioner? ›

How do you reset your AC unit?
  1. Turn off your air conditioning system using the thermostat. ...
  2. Search for the breaker box. ...
  3. Shut off your AC unit at the breaker. ...
  4. Wait at least a full minute before switching the breaker back to the “on” position.
  5. Wait for 30 minutes before turning your unit back on at the thermostat.
10 Sept 2021

Why is my Mitsubishi aircon not turning on? ›

Check that the circuit breaker in your meter box for the air conditioning unit is ON. If it has tripped turn the circuit breaker back on. If the circuit breaker continues to trip there is a power issue and needs to be checked by a technician.

How do I reset my Mitsubishi air conditioner timer? ›

We know the feeling.
...
Wireless Remote
  1. Press the ON TIMER button on the bottom of the remote control.
  2. Using the UP or DOWN arrow keys on the TIMER button, set the time you would like your air conditioner to turn on.
  3. Press the SET button.
23 Aug 2020

How do I reset my Mitsubishi Starmex? ›

Failure Mode Recall - M-Series Troubleshooting - YouTube

Can you turn the light off on a Mitsubishi aircon? ›

Turn off the light by pressing the SET button for 3 seconds or longer. While Child Lock is set, the settings of temperature, fan speed and airflow direction cannot be changed.

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