Fujitsu Mini Split Error Codes: Troubleshooting Guide And Solutions
Fujitsu mini split air conditioning systems can encounter error codes that may cause confusion. This guide provides a comprehensive troubleshooting guide and solutions for common error codes like EEE and H6. It helps users understand and resolve system malfunctions, incorrect temperature readings, and operational issues to restore optimal performance.
In the world of technology, even the most advanced systems can encounter occasional hiccups. Take the Fujitsu mini split air conditioning systems, for instance.
While these units are known for their reliability and efficiency, they too can encounter error codes that leave their owners scratching their heads. Understanding and troubleshooting these error codes is crucial in ensuring the proper functioning of these units, and that’s where this guide comes in.
From the perplexing EEE error to the puzzling H6 code, we’ll dive into the world of Fujitsu mini split error codes and provide you with a comprehensive troubleshooting guide and solutions. Whether you’re experiencing system malfunctions, incorrect temperature readings, or operational issues, this guide will equip you with the knowledge and insights needed to navigate through the complexities of Fujitsu’s error codes. So, let’s unravel the mysteries together and restore your air conditioning system to optimal performance.
Most Common Fujitsu Mini Split Error Codes and Quick Troubleshooting
- Package Contents:You will get 4 Pack Mini Split Ductless Filter,without Frames.You need to use the original frame to install these filters
- Compatibility:Perfectly compatible with Fujitsu General UTR-FA16-2 K 9315361042,fit for the following devices,ASU12RL,ASU12RLF,ASU12RLF1,ASU12RLS2,ASU12RLS3,ASU12RLS3Y,ASU15RLF1,ASU15RLS,ASU15RLS2,ASU15RLS3,ASU15RLSY3,ASU7RLF,ASU7RLF1,ASU9RL,ASU9RLF,ASU9RLF1,ASU9RLS2,ASU9RLS3,ASU9RLS3Y
- Excellent quality:Our filters are made of high-quality raw materials and are the best alternative to your original filter,It can make your air conditioner run more efficiently,can better filter dust and remove odor
- Product size:21 x 3.5 x 0.5 cm (8-1/4 x 1-3/8 x 3/16″),Please confirm that your filter size matches ours before placing an order
- Easy to install:Replacing is very simple,just remove the old filter from the frame and replace it with a new one,greatly saving you time and money
- COMPATIBILITY: ASU12RL ASU15RLS2 ASU9RLS2 ASU12RLF ASU15RLS3 ASU9RLS3 ASU12RLF1 ASU15RLSY3 ASU9RLS3Y ASU12RLS2 ASU7RLF ASU9RLS3Y ASU12RLS3 ASU7RLF1 ASUA12TLAV1 ASU12RLS3Y ASU9RL ASUA14TLAV1 ASU15RLF1 ASU9RLF ASU15RLS ASU9RLF1
- HIGH-QUALITY MATERIAL: Polyester, high-efficiency filtration
- DIMENSIONS: 21 x 3.5 x 0.5 cm (8-1/4 x 1-3/8 x 3/16″)
- Package Contents:You will get 4 Pack Mini Split Ductless Filter,without Frames.You need to use the original frame to install these filters
- Compatibility:Perfectly compatible with Fujitsu General UTR-FA16-2 K 9315361042,fit for the following devices,ASU12RL,ASU12RLF,ASU12RLF1,ASU12RLS2,ASU12RLS3,ASU12RLS3Y,ASU15RLF1,ASU15RLS,ASU15RLS2,ASU15RLS3,ASU15RLSY3,ASU7RLF,ASU7RLF1,ASU9RL,ASU9RLF,ASU9RLF1,ASU9RLS2,ASU9RLS3,ASU9RLS3Y
- Excellent quality:Our filters are made of high-quality raw materials and are the best alternative to your original filter,It can make your air conditioner run more efficiently,can better filter dust and remove odor
- Product size:21 x 3.5 x 0.5 cm (8-1/4 x 1-3/8 x 3/16″),Please confirm that your filter size matches ours before placing an order
- Easy to install:Replacing is very simple,just remove the old filter from the frame and replace it with a new one,greatly saving you time and money
- Advantages: Adopting OEM’s Unique Structure, It Greatly Increases The Filtering Area And Dust Holding Capacity, Thereby Collecting More Harmful Substances. The Combination Of Apple Catechins And Polyphenols Is Highly Recommended. It Can Enhance The Collection Ability, Dissolve And Remove Harmful Substances, And Prevent The Accumulation Of Harmful Substances And Cause Secondary Pollution. This Is The Biggest Advantage Of Apple Catechins!
- UTR-FA16，Apple Catechins, With Their Own Electrostatic Ions, Filter Harmful Substances. Apple Catechins Have A Cleaning Effect And Prevent Secondary Pollution! UTR-FA16-2 Blue Dissolving Enzyme Consists Of Two Layers Of Dissolving Enzyme And One Layer Of Pure Filtration. It Also Has An Electrostatic Effect To Filter Harmful Substances, And The Dissolving Enzyme Dissolves To Prevent Secondary Pollution.
- UTR-FA16 and UTR-FA16-2 Filters, OEM Structure And Materials, Have A Very Strong Capacity To Collect Harmful Substances. They Use Electrostatic Ions, Have Large Capacity, Can Quickly Attract Harmful Substances, And Have A Very Long Life. So We Would Recommend!
- Apple Catechin Is A Healthy Filter And An Important Filter Material Recommended By Oem. Especially In A Closed Indoor Environment, Using This Filter Is Very Helpful For Cleaning The Air, And It Is Also Helpful For Our Bodies!
- Compatible with Fujitsu General UTR-FA16 and UTR-FA16-2 9315361042 Mini Split Ductless Compatible Devices ASU12RL, ASU12RLF, ASU12RLF1, ASU12RLS2, ASU12RLS3, ASU12RLS3Y, ASU15RLF1 ASU15RLS, ASU15RLS2, ASU15RLS3, ASU15RLSY3, ASU7RLF, ASU7RLF1, ASU9RL, ASU9RLF, ASU9RLF1, ASU9RLS2, ASU9RLS3, ASU9RLS3YASU12RL, ASU12RLF, ASU12RLF1, ASU12RLS2, ASU12RLS3, ASU12RLS3Y, ASU15RLF1 ASU15RLS, ASU15RLS2, ASU15RLS3, ASU15RLSY3, ASU7RLF, ASU7
- Replacement for Fujitsu Air Conditioner Remote Control AR-REM1U ARREM1U ASU9RLS3Y ASU12RLS3Y ASU15RLS3Y ASU30RLE, ASUG09LZAS ASUG12LZAS ASUG15LZAS Display in both Fahrenheit and Celsius
- ★★★★★Display in both Fahrenheit and Celsius!!! ★★★★★
- ★★★★★ No battery included (Battery Type: AAA 1.5V ) ★★★★★
- ★★★★★ Green Backlight, It’s very easy and convenient to Operate the remote control at night.
- ★★★★★ Please note: This is not a universal remote control, please check your air conditioner model or remote control model before ordering.
- COMPATIBLE WITH: Grille Gear 9319292014 Compatible with Fujitsu Air Conditioner/Mini Split ASU12RLS2, ASU15RLS2, ASU9RLS2
- PART NUMBER: 9319292014,Please confirm that the model you need to buy matches our model before ordering
- PACKAGING INCLUDES: 1x Grille Gear Reinforced Part
- FUNCTION:The main function of this Grille Gear is to control the up and down adjustment of the grille, restore the opening and closing function of the grille, and effectively prevent air leakage and dust from entering
- PRODUCT ADVANTAGES: Black Grille Gear is made of upgraded materials that are not easily cracked, have a long service life, and provide reinforcement on the sides that typically crack
- Compatible with and Easy setup by Brand Name for these Major Brands: Airwell, Alpin, Aucma, Aux, Boerka, Carrier, Changhong, Chigo, Chunlan, Daewoo, Daikin, Electrolux, Frestech, Fujitsu, Galanz, Gree, Haier, Hisense, Hitachi, Huabao, Hualing, Hyundai, Johnson, Kelon, LG, Macquay, Midea, Mitsubishi, Panasonic National, Philco, Rowa, Saijo Denki, Sharp Sanpo, Samsung, Sanyo, Shinco, Swan, Tadiran, Tatung, TCL, Toshiba, Trane, Whirlpool, Winia, Yinyan, and York
- Selectable display in Celsius or Fahrenheit degrees. If switched to Fahrenheit, the set temperature may work in two degree jumps.
- On/Off Timer Function (one shot)
- Auto search function if Brand not listed
- May not have all of the functions of the original remote- check picture for buttons and functions
- Factory Original Fujitsu Filter
- The K 9380997009 Filter Fits the Following Fujitsu Mini Split Units: ASU9RLS3Y, ASU9RLS3, ASU15RLS3Y, ASU15RLS3, ASU12RLS3Y, ASU12RLS3.
- Includes 2- K9380997009 Filters
- Filter Dimensions: 13.875″ x 14.25″
Here is a comprehensive list of Fujitsu mini split error codes with explanations and troubleshooting tips:
Communication Errors
- E11: Serial communication error during startup or operation – inspect wiring from panel to outdoor to indoor unit, check wire connectivity/voltages
- E12: Wired remote controller communication error – check controller wiring and terminal connectivity
- E13 & E14: Forward data transfer errors – reset power and check control wiring
- E18: External communication error between PCBs – check connections/wires between boards
Indoor Unit Errors
- E32: Indoor EEPROM access error – check grounding and electrical noise interference
- E33: Indoor motor electricity detection error – check fan motor wiring and operation
- E35: Manual auto switch kept on over 60 secs – check switch electrically for issues
- E41: Indoor room thermistor reads abnormal temperatures – check wiring and compare resistance to spec
- E42: Indoor heat exchanger thermistor error – check wiring and resistance
- E51: Indoor fan motor speed too low – check wiring, resistance, ensure fan spins freely
- E53: Drain pump error over 3 minutes – check float switch operation, drain line blockages
Outdoor Unit Errors
- E62: Outdoor main PCB error during startup – check power supply stability
- E63: Inverter PCB error detected – check all fuse/wiring connections to inverter PCB
- E64: Active filter error detected – check DC voltages, choke coils, wiring connections
- E65: Outdoor IPM error, abnormal current detected – check fan operation, inlet/outlet blockages, compressor electricals
- E71: Discharge temperature sensor error – check resistance correlations to temperature
- E84: Input current sensor error – verify sensor resistance and wiring connections
- E94: Compressor trip detection from overcurrent – check refrigeration circuit operation
- E97: Outdoor fan motor speed error – check wiring, resistance, confirm motor unwinds
System Protection Errors
- E16: High pressure switch error – check refrigerant levels, restriction in refrigeration circuit
- E25: PFC circuit error from overvoltage – replace outdoor control PCB
Understanding Fujitsu Mini Split Systems
Fujitsu mini split systems are a type of air conditioning system that offers efficient and flexible cooling and heating solutions. These systems consist of both an indoor and outdoor unit, connected by refrigerant lines. The indoor unit is responsible for providing conditioned air to the desired space, while the outdoor unit houses the compressor and other key components.
How Fujitsu Mini Split Systems Work
Fujitsu mini split systems work on the principle of heat transfer. They use a refrigerant to absorb heat from the indoor air and release it outside. The outdoor unit compresses the refrigerant, which increases its temperature. The heated refrigerant then travels to the indoor unit, where it releases the absorbed heat into the indoor space. This process can be reversed to provide heating during colder months.
Benefits of Fujitsu Mini Split Systems
There are several benefits to choosing Fujitsu mini split systems for your cooling and heating needs:
- Energy Efficiency: Fujitsu systems are highly energy efficient, providing cost savings in the long run.
- Zoning Capabilities: These systems allow you to control the temperature of individual rooms or zones, providing personalized comfort.
- Quiet Operation: Fujitsu units are designed to operate quietly, ensuring a peaceful environment.
- Easy Installation: The compact size and flexibility of installation make Fujitsu mini split systems a convenient choice.
Common Error Codes in Fujitsu Mini Split Systems
Error codes in Fujitsu mini split systems are codes that indicate specific issues or malfunctions within the system. When an error code is displayed, it helps technicians and homeowners identify the problem and take appropriate action.
Error Code Display
The error codes in Fujitsu mini split systems are displayed on the indoor unit’s LCD screen or Flashing LED lights. Each error code corresponds to a specific problem or fault. It’s important to refer to the user manual or contact a professional if you encounter an error code.
Importance of Error Codes in Troubleshooting
Error codes are essential in troubleshooting Fujitsu mini split systems. They provide valuable information about the underlying issue, allowing homeowners or technicians to take the necessary steps to resolve the problem. Without error codes, diagnosing problems in the system would be much more challenging.
Common Error Codes in Fujitsu Mini Split Systems
Fujitsu mini split systems have various error codes, each indicating a different problem. Here are some of the common error codes you may encounter:
- E0: Communication Error
- E1: High Pressure Protection
- E2: Indoor Coil Sensor Fault
- E3: Outdoor Coil Sensor Fault
- E4: Low Pressure Protection
- E5: Overcurrent Protection
- E6: IPM Module Protection
- E7: Communication Error between Indoor and Outdoor Units
Error Code Troubleshooting Guide
A. Error Code E0: Communication Error
Error code E0 indicates a communication error between the indoor and outdoor units. This can be caused by various factors such as faulty wiring or issues with the control board. Follow these troubleshooting steps to resolve the issue:
1. Possible Causes
- Faulty wiring connections
- Defective control board
2. Troubleshooting Steps
- Check all wiring connections between the indoor and outdoor units.
- If the wiring connections are secure, inspect the control board for any signs of damage or malfunction.
- If necessary, replace the control board or contact a professional for assistance.
B. Error Code E1: High Pressure Protection
Error code E1 indicates high pressure protection activation. This can occur due to factors such as a dirty air filter or issues with the refrigerant levels. Follow these troubleshooting steps to address the issue:
1. Possible Causes
- Dirty air filter
- Insufficient refrigerant levels
- Malfunctioning pressure switch
2. Troubleshooting Steps
- Check the air filter and clean or replace it if necessary.
- If the air filter is clean, check the refrigerant levels and add more if needed.
- If the issue persists, the pressure switch may be faulty and require replacement.
C. Error Code E2: Indoor Coil Sensor Fault
Error code E2 indicates a fault with the indoor coil sensor. This can occur due to issues with the sensor or its wiring. Follow these troubleshooting steps to resolve the problem:
1. Possible Causes
- Faulty indoor coil sensor
- Wiring issues
2. Troubleshooting Steps
- Inspect the indoor coil sensor for any signs of damage or malfunction.
- Check the wiring connections for any loose or damaged wires.
- If necessary, replace the indoor coil sensor or repair any wiring issues.
D. Error Code E3: Outdoor Coil Sensor Fault
Error code E3 indicates a fault with the outdoor coil sensor. This can occur due to issues with the sensor or its wiring. Follow these troubleshooting steps to address the issue:
1. Possible Causes
- Faulty outdoor coil sensor
- Wiring issues
2. Troubleshooting Steps
- Inspect the outdoor coil sensor for any signs of damage or malfunction.
- Check the wiring connections for any loose or damaged wires.
- If necessary, replace the outdoor coil sensor or repair any wiring issues.
E. Error Code E4: Low Pressure Protection
Error code E4 indicates low pressure protection activation. This can occur due to factors such as refrigerant leaks or issues with the expansion valve. Follow these troubleshooting steps to resolve the issue:
1. Possible Causes
- Refrigerant leaks
- Malfunctioning expansion valve
2. Troubleshooting Steps
- Inspect the refrigerant lines for any signs of leakage.
- If refrigerant leaks are detected, repair them and recharge the system with the appropriate refrigerant.
- If there are no refrigerant leaks, check the expansion valve for any malfunction and replace if necessary.
F. Error Code E5: Overcurrent Protection
Error code E5 indicates overcurrent protection activation. This can occur due to factors such as a faulty motor or issues with the electrical circuit. Follow these troubleshooting steps to address the issue:
1. Possible Causes
- Faulty motor
- Electrical circuit issues
2. Troubleshooting Steps
- Check the motor for any signs of damage or malfunction.
- Inspect the electrical circuit for any loose connections or damaged wires.
- If necessary, replace the motor or repair the electrical circuit.
G. Error Code E6: IPM Module Protection
Error code E6 indicates IPM module protection activation. This can occur due to issues with the IPM module or other related components. Follow these troubleshooting steps to resolve the problem:
1. Possible Causes
- Faulty IPM module
- Issues with related components
2. Troubleshooting Steps
- Inspect the IPM module for any signs of damage or malfunction.
- Check the related components, such as capacitors and resistors, for any issues.
- If necessary, replace the faulty IPM module or repair the related components.
H. Error Code E7: Communication Error between Indoor and Outdoor Units
Error code E7 indicates a communication error between the indoor and outdoor units. This can be caused by factors such as faulty wiring or communication issues with the control board. Follow these troubleshooting steps to resolve the issue:
1. Possible Causes
- Faulty wiring connections
- Communication issues with the control board
2. Troubleshooting Steps
- Check all wiring connections between the indoor and outdoor units.
- Inspect the control board for any signs of communication issues or malfunction.
- If necessary, repair any faulty wiring connections or replace the control board.
Troubleshooting Additional Error Codes
Error Code E8: Indoor Group Control Error
Error code E8 indicates an indoor group control error. This can occur when there are communication issues between multiple indoor units. Follow these troubleshooting steps to address the issue:
1. Possible Causes
- Communication issues between indoor units
- Faulty wiring connections
2. Troubleshooting Steps
- Check the communication settings between the indoor units.
- Inspect the wiring connections between the indoor units for any issues.
- If necessary, reconfigure the communication settings or repair the wiring connections.
Error Code E9: Communication Error between Indoor Units
Error code E9 indicates a communication error between multiple indoor units. This can occur due to wiring issues or communication problems. Follow these troubleshooting steps to resolve the problem:
1. Possible Causes
- Wiring issues between indoor units
- Communication problems
2. Troubleshooting Steps
- Inspect the wiring connections between the indoor units for any loose or damaged wires.
- Check the communication settings and ensure they are properly configured.
- If necessary, repair any wiring issues or reconfigure the communication settings.
Error Code E10: EEPROM Error
Error code E10 indicates an EEPROM error. This can occur due to issues with the memory chip or its programming. Follow these troubleshooting steps to address the issue:
1. Possible Causes
- Faulty memory chip
- Programming issues
2. Troubleshooting Steps
- Inspect the memory chip for any signs of damage or malfunction.
- Check the programming of the memory chip and ensure it is correct.
- If necessary, replace the faulty memory chip or reprogram it.
Error Code E11: Fan Motor Lock or Overload
Error code E11 indicates a fan motor lock or overload. This can occur when the fan motor is unable to rotate or experiences excessive load. Follow these troubleshooting steps to resolve the problem:
1. Possible Causes
- Blocked fan blades
- Faulty fan motor
2. Troubleshooting Steps
- Check the fan blades for any obstructions and remove them if necessary.
- Inspect the fan motor for any signs of damage or malfunction.
- If the fan motor is faulty, replace it with a new one.
Error Code E12: Communication Error between Indoor and Outdoor Units (Address Timeout)
Error code E12 indicates a communication error between the indoor and outdoor units, specifically an address timeout. This can occur due to wiring issues or communication problems. Follow these troubleshooting steps to address the issue:
1. Possible Causes
- Wiring issues between indoor and outdoor units
- Communication problems
2. Troubleshooting Steps
- Inspect the wiring connections between the indoor and outdoor units for any loose or damaged wires.
- Check the communication settings and ensure they are properly configured.
- If necessary, repair any wiring issues or reconfigure the communication settings.
F. Error Code E13: Communication Error between Indoor and Outdoor Units (Address Duplication)
Error code E13 indicates a communication error between the indoor and outdoor units, specifically an address duplication. This can occur when two units have the same address. Follow these troubleshooting steps to resolve the problem:
1. Possible Causes
- Address duplication between indoor and outdoor units
- Configuration issues
2. Troubleshooting Steps
- Check the address settings of both the indoor and outdoor units and ensure they are unique.
- If there is an address duplication, reconfigure the address settings to be unique.
- Verify the configuration settings to ensure they are correct.
Advanced Troubleshooting and Repairs
Resetting the System
If you encounter persistent issues with your Fujitsu mini split system, resetting the Fujitsu Air Conditioner system can often help resolve minor glitches. To reset the system, follow these steps:
- Turn off the system using the remote control or the main power switch.
- Wait for a few minutes.
- Turn on the system again.
Clearing Error Codes
To clear error codes from your Fujitsu mini split system, follow these steps:
- Press the “Reset” button on the remote control or the main unit to clear the error code.
- If the error code persists, turn off the system and contact a professional for assistance.
When to Call a Professional
While many issues with Fujitsu mini split systems can be resolved through troubleshooting, there are certain situations where it’s best to seek professional help. Consider calling a professional in the following scenarios:
- Complex error codes that require specialized knowledge.
- Major system malfunctions that prevent the system from operating.
- Refrigerant leaks or other technical issues that require professional expertise.
Preventive Maintenance for Fujitsu Mini Split Systems
Maintaining your Fujitsu mini split system regularly can help prevent issues and prolong its lifespan. Here are some preventive maintenance tips:
- Clean or replace the air filters every 3-6 months.
- Inspect and clean the indoor and outdoor units regularly to remove dust and debris.
- Check and tighten the electrical connections to ensure proper functioning.
- Schedule annual professional maintenance to have the system inspected and serviced.
Fujitsu mini split error codes can be frustrating, but with the right troubleshooting knowledge, you can resolve these issues and restore your system to optimal performance. By understanding the common error codes and following the troubleshooting steps outlined in this guide, you’ll be able to tackle various problems that may arise. Remember, if you encounter complex issues or are unsure about any repairs, it’s always best to seek professional assistance. With regular preventive maintenance, you can also minimize the occurrence of error codes and ensure your Fujitsu mini split system operates efficiently for years to come.
Innovair Mini Split Inverter Error Codes E1
Frequently Asked Questions (FAQ)
What do Fujitsu mini split error codes mean?
How can I identify the error code on my Fujitsu mini split?
What should I do if I see an error code on my Fujitsu mini split?
Can I reset the error code on my Fujitsu mini split?
Do I need a professional technician to fix the error code on my Fujitsu mini split?
Conclusion: Understanding and Troubleshooting Fujitsu Mini Split Error Codes
In conclusion, understanding Fujitsu mini split error codes is essential for troubleshooting and resolving issues with your system. This article provided an overview of Fujitsu mini split systems, how they work, and the benefits they offer.
It also discussed the importance of error codes in diagnosing problems and provided a comprehensive guide to troubleshooting common error codes in Fujitsu mini split systems. The article covered several error codes, including E0 (communication error), E1 (high pressure protection), E2 (indoor coil sensor fault), E3 (outdoor coil sensor fault), E4 (low pressure protection), E5 (overcurrent protection), E6 (IPM module protection), and E7 (communication error between indoor and outdoor units).
Each error code was explained in detail, with possible causes and troubleshooting steps provided. Additionally, the article addressed other error codes such as E8 (indoor group control error), E9 (communication error between indoor units), E10 (EEPROM error), E11 (fan motor lock or overload), E12 (communication error between indoor and outdoor units with address timeout), and E13 (communication error between indoor and outdoor units with address duplication). Troubleshooting steps for these error codes were also discussed.
Furthermore, the article provided advanced troubleshooting tips such as resetting the system and clearing error codes. It also highlighted situations where it is best to call a professional and emphasized the importance of preventive maintenance for Fujitsu mini split systems. In summary, by familiarizing yourself with the error codes and following the troubleshooting steps outlined in this article, you can effectively resolve issues with your Fujitsu mini split system.
