Mr. Slim Air Conditioner Error Codes

8/20/2019 Mr. Slim Air Conditioner Error Codes

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Mr. Slim Air Conditioner Error Codes

ttp://acerrorcode.com/mr-slim-air-conditioner-error-codes.html[03/03/2016 10:23:01 PM]

AC Error CodeError Codes of All Air Conditioning Brands.

MR. SLIM AIR CONDITIONER ERROR CODES

December 10, 2014 Mitsubishi, Mitsubishi Electric, Mr. Slim

After

completing

installation and

the wiring and

piping of the indoor and outdoor units, check for

refrigerant leakage, looseness in the power supply or

control wiring, wrong polarity, and no disconnection

of one phase in the supply.

P1 Intake sensor error

P2 P9 Pipe (Liquid or 2-phase pipe) sensor error

E6 E7 Indoor/outdoor unit communication error

P4 Drain sensor error

P5 Drain pump error

PA Forced compressor error

P6 Freezing/Overheating safeguard operation

EE Communication error between indoor and outdoor units

P8 Pipe temperature error

E4 Remote controller signal receiving error

Fb Indoor unit control system error (memory error, etc.)

E0 E3 Remote controller transmission error

E1 E2 Remote controller control board error

For details, check the LED display of the outdoor controller board.

E9 Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)

UP Compressor overcurrent interruption

U3, U4 Open/short of outdoor unit thermistors

UF Compressor overcurrent interruption (When compressor locked)

U2 Abnormal high discharging temperature/49C worked/insufficient refrigerant

U1 Ud Abnormal high pressure (63H worked)/Overheating safeguard operation

U5 Abnormal temperature of heat sink

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U8 Outdoor unit fan safeguard stop

U6 Compressor overcurrent interruption/Abnormal of power module

U7 Abnormality of super heat due to low discharge temperature

U9 UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/

Current sensor error.

Others Other errors (Refer to the technical manual for the outdoor unit.)

List of error codes and stop codes (for all models)

Pdf -1

Pdf -2

Pdf -3

Mr.Slim A-control error code list

Display of remote controller

Code EA

Error detail Mis-wiring of indoor/outdoor unit. exceed the number of indoor unit connection.

Inspected unit Outdoor.

Code Eb

Error detail Mis-wiring of indoor/outdoor unit. (mis-wiring disconnection) Inspected unit Outdoor.

Code EC

Error detail Start-up time over


Code E6

Error detail Indoor/outdoor unit transmission error (signal receiving error). Inspected unit Indoor.

Code E7

Error detail Indoor/outdoor unit transmission error (transmitting error).

Inspected unit Indoor.

Code E8

Error detail Indoor/outdoor unit transmission error (signal receiving error).


Code E9

Error detail Indoor/outdoor unit transmission error (transmitting error).


https://docs.google.com/file/d/0BwpXRGTFIK57anNjd0E2SzJvTUEhttps://docs.google.com/file/d/0BwpXRGTFIK57OEdaSGgxMWlsZzghttps://drive.google.com/file/d/0BwpXRGTFIK57RVkwbTNqX2RDc0Ehttps://drive.google.com/file/d/0BwpXRGTFIK57RVkwbTNqX2RDc0Ehttps://docs.google.com/file/d/0BwpXRGTFIK57OEdaSGgxMWlsZzghttps://docs.google.com/file/d/0BwpXRGTFIK57anNjd0E2SzJvTUE


3/45



Code E0 Error detail Remote control transmission error (signal receiving error)

Inspected unit Remote control

Code E3

Error detail Remote control transmission error (transmitting error)

Inspected unit Remote control.

Code E4

Error detail Remote control transmission error (signal receiving error)


Code E5

Error detail Remote control transmission error (transmitting error)


Code EF Error detail M-NET transmission error

Inspected unit Indoor and outdoor.

Code Ed

Error detail Serial transmission error


Code P1

Error detail Abnolmality of room temperature thermistor (TH1). Inspected unit Indoor.

Code P2

Error detail Abnormality of pipe temperature themistor/liquid (TH2).


Code P4

Error detail Abnomarlity of drain sensor (DS)


Code P5

Error detail Malfunction of drain-up machine.


Code P6

Error detail Freezing/overheating protection detect.


Code P8

Error detail Abnormality of pipe temperature.



4/45



Code P9

Error detail Anormality of pipe temperature thermistor/condenser/evaporator (TH5)


Code F1

Error detail Reverse phase detection.

Code F2

Error detail L3 open phase detection.

Code F3

Error detail 63L connector open.

Code F4

Error detail 49C connector open.

Code F9

Error detail Connector 2 or more open.

Code FA

Error detail L2-phased open phase or 51CM connector open.

Code F7

Error detail Reverse phase detection circuit (p.c.board) fault.

Code F8 Error detail Input circuit fault.

Code U2

Error detail Abnormal high discharging temperature.

Code U2

Error detail Inner thermostat (49C) operation.

Code U1 Error detail Abnormal high pressure (high pressure swicth 63H worked)

Code U1

Error detail Direct cut operation.

Code UE

Error detail High pressure error (ball valve closed)

Code UL Error detail Abnormal low pressure.

Code Ud

Error detail Over heat protection


5/45



Code U6

Error detail Compressor over current (overload) cut off.

Code UA

Error detail Compressor over current (terminal relay operation).

Code UF Error detail Compressor over current (start-up locked) cut off.

Code UF

Error detail Compressor over current (operating locked) cut off.

Code UH

Error detail Current sensor error.

Code U3 Error detail Discharge thermistor short/open.

Code U4

Error detail Outdoor thermistor short/open.

Mr.Slim K-control

Display of remote controller

LED E0 Diagnosis of malfunction Transmitting/receiving signal error.


LED P1

Diagnosis of malfunction Intake air sensor abnormal.


LED P2

Diagnosis of malfunction Pipe sensor abnormal.


LED P4

Diagnosis of malfunction Drain sensor abnormal.


LED P5

Diagnosis of malfunction Malfunctioning of the drain overflow protecting mechanism.


LED P6

Diagnosis of malfunction Abnomality of the coil frost/overheating protection mode.



6/45



LED P3

Diagnosis of malfunction System error (transmitting/receiving signal).


LED P7

Diagnosis of malfunction System error (address)


LED P8

Diagnosis of malfunction Outdoor unit malfunction


Mr.Slim K-control PUH-EK

Outdoor unit

LED ON = Operation status

LED Flash = Check code diplay

LED LD1

LED ON Compressor directive

LED Flash Reverse phase detect

LED LD2

LED ON Heating directive

LED Flash Open phase detect

LED LD3

LED ON During 63H1 operation

LED Flash Pipe sensor short/open

LED LD4

LED ON Compressor ON

LED Flash High pressure swicth (63H2) operation.

LED LD5

LED ON Outdoor fan ON

LED Flash Over current relay (51CM) operation.

LED LD6

LED ON 4-way valve ON

LED Flash Thermal swicth (26C) operation.

LED LD7

LED ON Bypass valve ON

LED Flash Thermistor (TH3) overheat protection.

LED LD8

LED ON Crankcase heater ON


7/45



LED Flash Devective input.

Mitsubishi Electric ‘Mr. Slim’ P-Series Commercial Models

Mitsubishi Electric ‘Mr. Slim’ P-Series Commercial Models

TROUBLESHOOTING TIPS / P8 ERROR CODE

List of error codes and stop codes (for all models)

Pdf -1

Pdf -2

Pdf -3

Mitsubishi Mr.Slim Error Code Pdf

Mr Slim MULTI-S CHECK CODE

https://docs.google.com/file/d/0BwpXRGTFIK57VjYtN1hsQm9KMjA/previewhttps://docs.google.com/file/d/0BwpXRGTFIK57anNjd0E2SzJvTUEhttps://docs.google.com/file/d/0BwpXRGTFIK57OEdaSGgxMWlsZzghttps://drive.google.com/file/d/0BwpXRGTFIK57RVkwbTNqX2RDc0Ehttps://docs.google.com/file/d/0BwpXRGTFIK57X1BMVk91ZmFWMFk/previewhttps://docs.google.com/file/d/0BwpXRGTFIK57X1BMVk91ZmFWMFk/previewhttps://drive.google.com/file/d/0BwpXRGTFIK57RVkwbTNqX2RDc0Ehttps://docs.google.com/file/d/0BwpXRGTFIK57OEdaSGgxMWlsZzghttps://docs.google.com/file/d/0BwpXRGTFIK57anNjd0E2SzJvTUEhttps://docs.google.com/file/d/0BwpXRGTFIK57VjYtN1hsQm9KMjA/preview


8/45



ERROR CODE = 1102

POSTPONED ERROR CODE = 1202

FAULT = Discharge temperature is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED

1) Confirm whether gas leak or gas shortage occurred

2) Is the ball valve open?

ERROR CODE = 1108


FAULT = Inner thermostat of compressor is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =



2) Is the S phase on outdoor board open?

ERROR CODE = 1302


FAULT = High-pressure is unusual

DETECTED UNIT


9/45



Indoor Unit =

Outdoor Unit = *

Remote Control =


1) Is the ball valve opened?

2) Confirm whether indoor filter is blocked or whether outdoor short cycle occurred

ERROR CODE = 1500


FAULT = Refrigerant is overcharged

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =




ERROR CODE = 1501


FAULT = Refrigerant is insufficient

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =



10/45





ERROR CODE = 1505


FAULT = Vacuum operation is protected

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =




ERROR CODE = 2502

POSTPONED ERROR CODE =

FAULT = Drain pump is unusual

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control =


1) Confirm whether drain pipe is inclined or blocked

2) Connector of drain pipe seperated

ERROR CODE = 2503



11/45



FAULT = Drain sensor (THd) is unusual

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control =


1) Drain sensor is dirty

2) CN50 connector on indoor board seperated

ERROR CODE = 4115


FAULT = Synchronizing signal of power is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


1) Is R phase or T phase open?

2) Has fuse of R phase or T phase blown?

ERROR CODE = 4116


FAULT = Rotation amount of fan is wrong (PKFY-AM)

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =


12/45



Remote Control =


1) Is air filter blocked

ERROR CODE = 4220


FAULT = Voltage of inverter bus is insufficient

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


1) Is S phase open?

ERROR CODE = 4230


FAULT = Temperature of heat dissipation board is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


1) Is ventilation of heat dissipation board for cooling blocked

ERROR CODE = 4250


FAULT = IPM error (Heat current is intercepted) IPM error


13/45



DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


1) Is any power phase open?

2) Has voltage of power supply failed?

ERROR CODE = 5101


FAULT = Thermistor (TH21) for suction temperature is unusual

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control =

THE PART TO BE CHECKED = 1) CN20 connector on indoor board seperated

ERROR CODE = 5101


FAULT = Thermistor (TH1) for Discharge temperature is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED = 1) TH1 connector on outdoor board seperated

ERROR CODE = 5102


14/45




FAULT = Thermistor (TH22) for refrigerant pipe temperature is unusual

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control =


ERROR CODE = 5102


FAULT = Thermistor (TH2) for suction pressure saturation temperature is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED = 1) TH2 connector on outdoor board seperated

ERROR CODE = 5103


FAULT = Thermistor (TH23) for gas pipe temperature is unusual

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control =

THE PART TO BE CHECKED = 1) TH29 connector on indoor board seperated

ERROR CODE = 5105


15/45




FAULT = Thermistor (TH5) for condensor outlet temperature is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


ERROR CODE = 5106


FAULT = Thermistor (TH6) for outdoor temperature is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


ERROR CODE = 5110


FAULT = Thermistor (THHS) for IPM heat dissipation board temperature is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED = 1) THHS connector on indoor board seperated

ERROR CODE = 5201


16/45




FAULT = Pressure sensor (63HS) is unusual

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED = 1) Affirm whether gas leak or gas shortage occurred

ERROR CODE = 6600


FAULT = Address double definition error

DETECTED UNIT

Indoor Unit = *

Outdoor Unit = *

Remote Control = *

THE PART TO BE CHECKED = 1) Is the same address as the error generating origin specified?

ERROR CODE = 6602


FAULT = Transmission processor H/W error

DETECTED UNIT

Indoor Unit = *

Outdoor Unit = *

Remote Control = *

THE PART TO BE CHECKED = 1) Turn power OFF simultaneously for 2 minutes or more, Then turn them back on

again.

ERROR CODE = 6603


17/45




FAULT = Transmission circuit (bus) Busy error

DETECTED UNIT

Indoor Unit = *

Outdoor Unit = *

Remote Control = *

THE PART TO BE CHECKED = 1) Wiring mistake of TB3 or TB7 on outdoor unit

ERROR CODE = 6606


FAULT = Communication error with the transmission processor

DETECTED UNIT

Indoor Unit = *

Outdoor Unit = *

Remote Control = *

THE PART TO BE CHECKED = 1) Turn power OFF simultaneously for 2 minutes or more, Then turn them back on

again.

ERROR CODE = 6607


FAULT = No ACK

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control = *

THE PART TO BE CHECKED = 1) Address setting is improper, or transmission cable seperated


18/45



ERROR CODE =6608


FAULT = No response

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control = *

THE PART TO BE CHECKED = 1) Check the used electric wire

ERROR CODE = 6810


FAULT = UR communicaton

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control = *

THE PART TO BE CHECKED = 1) Wire connection for the unit remote control transmission is poor

ERROR CODE = 7100


FAULT = Over index

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED = 1) Has index been exceeded


19/45



ERROR CODE = 7101


FAULT = Over index

DETECTED UNIT

Indoor Unit = *

Outdoor Unit = *

Remote Control =

THE PART TO BE CHECKED = 1) Has an indoor unit beyond the permitted index connected

ERROR CODE = 7102


FAULT = The number of connected units

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *

Remote Control =


1) Are connected units over the number of restriction?

2) Transmission cord of indoor unit seperated

ERROR CODE = 7105


FAULT = Address setting error

DETECTED UNIT

Indoor Unit =

Outdoor Unit = *


20/45



Remote Control =

THE PART TO BE CHECKED = 1) Is outdoor unit address set to 000 or to a range of 51-100?

ERROR CODE = 7111


FAULT = Remote control sensor is unusual

DETECTED UNIT

Indoor Unit = *

Outdoor Unit =

Remote Control =

Mr Slim A-CONTROL CHECK CODE (U INDICATIONS)

INDICATIONS ON REMOTE CONTROL = U1

INDICATIONS ON OUTDOOR UNIT

LED1 (GREEN) =

LED2 (RED) =

FAULTS = Unusual high pressure (63H) operated

STANDARD =

INVERTER = *

DETECTED UNIT = Outdoor Unit

THE PART TO BE CHECKED = 1) Is ball valve open?

2) Check the indoor/outdoor short cycle



21/45




LED1 (GREEN) = Flash 3 Times

LED2 (RED) = Flash Once

FAULTS = Discharge temperature is unusual/49C (inner thermostat operated) Refrigerant is insufficient

STANDARD =

INVERTER = *


THE PART TO BE CHECKED = 1) Check whether air filter is dirty to Clean it







FAULTS = Superheat occurred by low discharge

STANDARD =

INVERTER = *


THE PART TO BE CHECKED = 1) Has the discharge thermistor seperated?

2) Confirm whether electronic expansion valve has failed

3) Check CN LEV connector on the outdoor board

INDICATIONS ON REMOTE CONTROL = UE


22/45





LED2 (RED) = Flash Twice

FAULTS = Unusual high-pressure (63H) operated

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Is the ball valve open?


3) Is gas overcharged

INDICATIONS ON REMOTE CONTROL = UL




FAULTS = Unusual low-pressure (63L) operated

STANDARD = *

INVERTER =


THE PART TO BE CHECKED = 1) Is the ball valve open?

2) Confirm whether gas leak or gas shortage has occurred

INDICATIONS ON REMOTE CONTROL = Ud



23/45




LED2 (RED) = Flash 3 Times

FAULTS = Over raise is protected (overload operation is protected/Fan fault)

STANDARD = *

INVERTER =


THE PART TO BE CHECKED = 1) Check whether outdoor heat exchanger is dirty try to Clean it

2) Check the outdoor short cycle





FAULTS = Compressor is intercepted by over-current (overload)

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) After turning crank case heater on, have 12 hours or more passed?





FAULTS = Powered module fault occurred


24/45



STANDARD =

INVERTER = *


THE PART TO BE CHECKED = (Replace the outdoor board)

INDICATIONS ON REMOTE CONTROL = UC




FAULTS = Compressor self protection activated

STANDARD = *

INVERTER = *



INDICATIONS ON REMOTE CONTROL = UF




FAULTS = Compressor is over-current (locked)

STANDARD = *

INVERTER = *




25/45



2) Is power capacity insufficient?

INDICATIONS ON REMOTE CONTROL = UH




FAULTS = Current sensor is unusual

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) If outdoor board has been replaced: Check wiring and board setting





FAULTS = Discharge thermistor (TH14) is open/short

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = TH4 connector on outdoor board seperated




26/45





FAULTS = Pipe thermistor (TH3) is open/short

STANDARD = *

INVERTER = *







FAULTS = 2-phase pipe thermistor (TH6) is open/short

STANDARD =

INVERTER = *







FAULTS = Outdoor temperature thermistor (TH7) is open/short

STANDARD =


27/45


28/45



INDICATIONS ON REMOTE CONTROL = UP


LED1 (GREEN) =

LED2 (RED) =

FAULTS = Compressor is intercepted by over-current

STANDARD =

INVERTER = *



Mr Slim A-CONTROL CHECK CODE (F.P INDICATIONS)

INDICATIONS ON REMOTE CONTROL = F1


LED1 (GREEN) = Flash Once


FAULTS = Negative phase is detected, or power or connection between indoor unit and outdoor unit is incorrec

STANDARD = *

INVERTER =


THE PART TO BE CHECKED = 1) Power or connection cable between indoor unit and outdoor unit is misplaced

2) Negative Phase –> Exchange R.T phase on outdoor power terminal


29/45



3) Are all the 3 phases of power voltage the same voltage





FAULTS = Open phase is detected (T phase is open)

STANDARD = *

INVERTER =


THE PART TO BE CHECKED = 1) T phase of outdoor power terminal is loose

2) Are all the 3 phases of power voltage the same voltage





FAULTS = Connector (63H) is open

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Connector (63L) on outdoor board seperated

2) Terminal of low-pressure switch (63L) seperated


30/45







FAULTS = Connector (63H) is open

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Connector (63H) on outdoor board seperated

2) Terminal of high-pressure switch (63H) seperated





FAULTS = Two or more connectors are open

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Confirm whether the connector on board seperated, or is loose





31/45



LED2 (RED) = Flash 3 times

FAULTS = Circuit (board) of negative phase detection is poor

STANDARD = *

INVERTER =







FAULTS = Input circuit (board) is poor

STANDARD = *

INVERTER = *



INDICATIONS ON REMOTE CONTROL = P1




FAULTS = Suction sensor is unusual

STANDARD = *

INVERTER = *


32/45



DETECTED UNIT = Indoor Unit






FAULTS = pipe (refrigerant pipe) sensor is unusual

STANDARD = *

INVERTER = *







FAULTS = Drain sensor is unusual

STANDARD = *

INVERTER = *





33/45






FAULTS = Drain overflow is protected or water leakage ocurred

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Confirm whether draining pipe is inclined or blocked

2) Confirm whether drain-pan or drain sensor becomes dirty

3) CNP connector on indoor board seperated





FAULTS = Freeze protecting (in cooling mode) / Over rise protecting (in heating mode)

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Air filter is dirty

2) Gas leak or gas shortage occurred

3) Does fan work on indoor unit?

– Check the fan connector


34/45







FAULTS = Pipe temperature is unusual

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Confirm whether wiring between indoor unit and outdoor unit or piping is faulty

when using 2 indoor units

2) Gas leak or gas shortage occurred



LED1 (GREEN) =

LED2 (RED) =

FAULTS = Pipe (two-phase pipe) sensor is unusual

STANDARD =

INVERTER = *



Mr Slim A-Control Check Code (E Indication)

INDICATIONS ON REMOTE CONTROL = E0



35/45



LED1 (GREEN) = Flash Twice


FAULTS = Communication or reception of remote control is unusual

STANDARD = *

INVERTER = *

DETECTED UNIT = Remote Control

THE PART TO BE CHECKED = 1) When using two or more remote controls, has a setup for master and slave

been performed?

2) Is a specified 2 core wire used for the electric wire? (03 – 1.25mm2 ) A wire with 3 or more cores is NG






STANDARD = *

INVERTER = *

DETECTED UNIT = Remote Control


been performed?





36/45






STANDARD = *

INVERTER = *



been performed?







STANDARD = *

INVERTER = *



been performed?




37/45






FAULTS = Communication or reception between indoor unit and outdoor unit is unusual

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) The line between indoor unit and outdoor unit is slack or unsuitable

2) Is VVF with 3 cores used for the electric wire

3) Is there a branch connection in middle of the line between indoor unit and outdoor unit

4) Is the connection line between unit and outdoor unit wet

5) Has fuse of outdoor board blown?

6) Connector (CN01, 02 or 03) is slack or seperated






STANDARD = *

INVERTER = *




38/45













STANDARD = *

INVERTER = *












39/45





STANDARD = *

INVERTER = *








INDICATIONS ON REMOTE CONTROL = EA




FAULTS = Wiring for connection between indoor unit and outdoor unit is wrong

STANDARD = *

INVERTER = *







40/45





INDICATIONS ON REMOTE CONTROL = Eb




FAULTS = Wiring for connection between indoor unit and outdoor unit is wrong (improper or seperated)

STANDARD = *

INVERTER = *








INDICATIONS ON REMOTE CONTROL = EE




FAULTS = The combination is unusual

STANDARD = *


41/45



INVERTER = *

DETECTED UNIT = Indoor unit and Outdoor unit

THE PART TO BE CHECKED = 1) Check the combination of indoor unit and outdoor unit

INDICATIONS ON REMOTE CONTROL = EF




FAULTS = Non-definition error (M-NET system error / No target code)

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) Check the unusual indications of M-NET system’ remote control or centralized

management system

INDICATIONS ON REMOTE CONTROL = Ed




FAULTS = Communication between M-NET adapters is unusual

STANDARD = *

INVERTER = *


THE PART TO BE CHECKED = 1) The connector between indoor control board and M-NET board seperated.


42/45



Related Posts:

1. Mr. Slim Ai r Conditioner Error Codes

2. Mitsubishi Mr Slim Air Conditioning Fault Codes

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In case a malfunction code appears on the indoor unit user interface display, contact your installer and inform the

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Mr. Slim Air Conditioner Error Codes

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