Update: Mitsubishi Japan Domestic Air Conditioner Error Code Chart 2023

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Mitsubishi Japan Domestic Air Conditioner Error Code Chart – Symbol E

Mitsubishi Japan Domestic Air Conditioner Error Code Chart – Symbol F

Mitsubishi Japan Domestic Air Conditioner Error Code Chart - Symbol P

Mitsubishi Japan Domestic Air Conditioner Error Code Chart - Symbol U

Mitsubishi air conditioners from Japan may encounter certain display issues after prolonged usage, indicated by error codes on the display screen. These error codes may include symbols E, F, P, and U.

Mitsubishi Japan Domestic Air Conditioner Error Code Chart – Symbol E

The Mitsubishi Japan Domestic Air Conditioner Error Code Chart for Symbol E includes various errors such as remote control transmission/reception error and internal/external connection faults.

+ Error codes E0/ E1/ E2/ E3/ E4/ E5: Remote control transmission/reception error. Main/sub settings are faulty, control circuit/board transmission/reception failure.

+ Error codes E6/ E7/ E8/ E9: Indicates the failure of internal and external connection wires. Indoor/outdoor faults.

+ Error code EA/ Eb: Anomalies in internal/external connections. Incorrect internal and external wires, exceeding the number of units indoors, defects in the outdoor unit.

+ Error code EC: Exceeding time limit. Contact failure of internal and external connection wires.

+ Error code Ed: Serial communication error. External connection interrupted, outdoor unit or M-NET board error.

+ Error code EE: Unusual combination of indoor and outdoor units. Indoor unit not compatible with R407C refrigerant.

Mitsubishi Japan Domestic Air Conditioner Error Code Chart – Symbol F

The Mitsubishi Japan Domestic Air Conditioner Error Code Chart for Symbol F includes various errors such as anomalies in internal/external connections and serial communication errors.

+ Error code F1: Reverse phase detection. Reverse phase, indoor/outdoor wiring issue.

+ Error code F2: Phase failure detection. Phase absence phase.

+ Error code F3: Low pressure switch open. 63 L Operation or disconnect, outdoor board defect.

+ Error code F4: Internal heat. 49C Operation or release, outdoor board defect.

+ Error code F7: Reverse phase detection. Reverse phase detection circuit failure, outdoor control board failure.

+ Error code F9: Two or more connections open. Disconnect (simultaneous 49 C and 62 H 2), outdoor board defect.

Mitsubishi Japan Domestic Air Conditioner Error Code Chart - Symbol P

Mitsubishi Japan Domestic Air Conditioner Error Code Chart - Symbol P includes the following errors:

+ Error code P1: Suction sensor sensor. Defective thermistor (room temperature withstands 4 to 6 kΩ), contact point fault.

+ Error code P2: Pipe sensor sensor. Defective thermistor (room temperature withstands 4 to 6 kΩ), contact point fault.

+ Error code P3: Sending and receiving errors. Communication line fault, transmission/reception signal circuit failure.

+ Error code P4: Sensor sensor water discharge. Float switch operation, thermistor failure (room temperature at 4 to 6 kΩ)

+ Error code P5: Abnormal submersible pump. Drain-up mechanism malfunction, Drain surface sensor sensor detects an issue.

+ Error code P6: Cooling operation, over protection. Short circuit, air filter clogged, indoor fan faulty.

+ Error code P7: System fault. Remote control transmission/reception circuit fault, indoor address fault.

+ Error code P8: Outdoor device protection operation. High pressure, operation 51C · 49C, pipe sensor sensor, reverse phase.

+ Error code P9: Sensor sensor pipe.

Mitsubishi Japan Domestic Air Conditioner Error Code Chart - Symbol U

Mitsubishi Japan Domestic Air Conditioner Error Code Chart - Symbol U includes the following errors:

+ Error code U1: High pressure pressure. Short circuit, dirty heat exchanger, air filter clogged.

+ Error code U2: Discharge temperature/Light overcurrent. Refrigerant shortage, operation 49 C, heat malfunction.

+ Error code U3: Charge error. Defective charge amount, contact point failure.

+ Error code: Abnormal outdoor pipe sensor. Disconnection, thermistor issue.

+ Error code U5: Abnormal radiation heat plate. Ambient temperature issue.

+ Error code U6: Interrupted current above. Overload, compressor failure, power supply dropping below 180 V.

+ Error code U9: Abnormal voltage.

+ Error code UA, Ub: Blown fuse.

+ Error code UC: Compressor fault. Compressor protection operation, power module fault.

+ Error code Ud: Over protection. Outdoor generator fault, short circuit, overload protection operation.

+ Error code UE: Abnormal high pressure. 63H1 Operation or disconnect, air filter clogged.

+ Error code UF: Compressor fault. Compressor overload, locked.

+ Error code UH: Abnormal phenomenon detection. Current sensor fault, disconnect, control circuit issue 52C.

+ Error code UL: Abnormal low pressure. Operation 63 L, refrigerant shortage, gas leakage, cold circuit clogged.

Here is the updated list of error codes for Mitsubishi Japan Domestic Air Conditioners in 2023, hoping to help you easily identify the errors, root causes, and find quick solutions.

Frequently Asked Questions

What are common error codes displayed on Mitsubishi air conditioners?

Common error codes displayed on Mitsubishi air conditioners include symbols E, F, P, and U. Each symbol represents different error types related to connection issues, transmission failures, and sensor malfunctions, which can help in troubleshooting.

How can I identify the cause of error code E on my Mitsubishi air conditioner?

To identify the cause of error code E, check for remote control transmission/reception issues and internal/external connection faults. Common errors under this code range from E0 to E9, which cover various potential connection problems.

What should I do if my Mitsubishi air conditioner displays error code P?

If your Mitsubishi air conditioner displays error code P, it's essential to inspect the suction and pipe sensors for defects. Error codes P1 to P9 indicate sensor failures or communication issues that require attention.

Is it possible to fix high pressure error codes U1 and U2 in Mitsubishi air conditioners?

Yes, it is possible to fix high pressure error codes U1 and U2. Check for a dirty heat exchanger or clogged air filters for U1, and inspect for refrigerant shortages for U2, as these are common causes.

What do I need to know about error codes related to Mitsubishi air conditioners?

Error codes on Mitsubishi air conditioners indicate various issues such as connection failures, sensor malfunctions, and compressor problems. Understanding these codes helps in diagnosing the root causes and implementing effective solutions.

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