Mitsubishi Electric klima error codes
Codes
- 5108Error codeOutlet SC Coil (TH8) sensor: minutes after the compressor has started operation, during defrosting and for 3 minutes after recovery from defrosting. 5 Open circuit detection for thermistor TH11, 12 is not per
- 5109Error codeInlet SC Coil (TH9a) Temperature CS circuit (TH9b): formed immediately before starting.
- 5110Error codeRadiator panel (Variable capacity unit): If a heat sink temperature of (THHS) – 40°C is detected just before starting of and during operation of the inverter.
- 5112Error codeHeat Exchanger Gas (TH10a)
- 5113Error codeHeat Exchanger Gas (TH10b: Variable capacity unit) Distribution pipe temperature (TH10b: Constant capacity unit)
- 5201Error code— 63H connector open Abnormal if 63H connector circuit is open for 3 minutes continuously after power supply. 63H: High-pressure switch
- 5202Error code— 63L connector open Abnormal if 63L connector circuit is open for 3 minutes continuously after power supply. 63L: Low-pressure switch <A42N only>
- 5300Error codeCurrent sensor error or input current error • Abnormal if current sensor detects –1.0A to 1.0A during compressor operation. (This error is ignored in the case of test run mode.) • Abnormal if the detected input current or the detected continuous current for 10 second is more than the limit value.
- 5301Error codeIAC sensor/ circuit abnormality Compressor-input phase U: 1 If IAC 3 Amps is detected just before the inverter starts, or If IAC 3 Amps is detected during inverter operation after 5 seconds has passed since the inverter started when the INV board’s SW1-1 is OFF. [Inverter error detail : 6] 2 If the current sensor (ACCT) miss-wiring is detected during inverter operation. [Inverter error detail : 13] ACCT_U IPM-output phase U Red | 1 IAC sensor/ circuit abnormality 2: If IAC 3 Amps is detected before the inverter starts, If IAC 3 Amps is detected ing inverter operation seconds has passed inverter started when board’s SW1-1 is OFF. [Inverter error detail If the current sensor miss-wiring is detected inverter operation. [Inverter error detail
- 5401Error codeHumidity sensor fault: A short-circuit or an open-circuit of the humidity sensor is detected during operation.
- 5701Error codeSpecifications are: Contact failure of drain float switch (CN4F) 1. Extract when the connector of drain float switch is disconnected. (3 and 4 of connector CN4F is not shortcircuited.) 2. Constantly detected during operation. subject to change without notice.
- 6201Error codeRemote controller board fault (nonvolatile memory error): This error is detected when the data cannot be read out from the built-in nonvolatile memory on the remote controller.
- 6202Error codeRemote controller board fault (clock IC error): This error is detected when the built-in clock on the remote controller is not properly functioning.
- 6204Error codeExternal memory read/write
- 6206Error codeerror Error detected when writing or reading to/from the internal SD card of the AE-C/EW-C could not be performed properly.
- 6600Error codeCommunication Address: error - duplicate Error detected when units with the same address are transmitting.
- 6601Error codeTroubleshooting III.: Communication error - Polarity unsettled 1. Error detected when the transmission processor which is an M-NET communication component cannot verify the + and - voltage polarity of the M-NET transmission line. 2. Detected invalid signal due to a transmission waveform error or noise on the M-NET transmission line. 3. Polarity not set error
- 6602Error codeTransmission processor hardware error: Although "0" was surely transmitted by the transmission processor, "1" is displayed on the transmission line. The address/attribute appeared on the display on the remote controller indicates the controller where an error occurred.
- 6603Error codeBUS BUSY 1. Overtime error by signal collision damage Abnormal if transmitting signal is not possible for 8-10 minutes continuously because of collision of transmission. 2. Data could not reach transmission wire for 8-10 minutes continuously because of noise or etc. Note) The address and attribute displayed at remote controller indicate the controller that detected abnormality.
- 6604Error codeM-NET communication error - No ACK return Error detected by AHC ADAPTER when the other party fails to return the ACK signal after a command transmission on M-NET.
- 6605Error codeM-NET communication error - No return of response frame Error indicating that the ACK signal was returned to acknowledge receipt but no response was returned when a communication command was sent over M-NET.
- 6606Error codeCommunication error with communication processor Defective communication between unit processor and transmission processor Note: The address and attribute display at remote controller indicate the controller that detected abnormality.
- 6607Error codeSystem Generating compounit sition 1 2 3 system refrigerant Single (1): No ACK error When no ACK controller, Note) The the Display of Detecting address trouble method Outdoor Remote No reply unit controller (ACK) at IC (OC) (RC) transmission to OC Indoor Remote No reply unit (IC) controller (ACK) at RC (RC) transmission to IC Remote Remote No reply controlcontroller (ACK) at IC ler (RC) (RC) transmission to RC | (continued) System Generating compounit sition 1 2 refrigerants 3 plural using system operation Group (2): No ACK error When no ACK controller, the Note) The the Display of Detecting address trouble method Outdoor Remote No reply As unit controller (ACK) at IC (OC) (RC) transmission to OC Indoor Remote No reply 1) unit (IC) controller (ACK) at RC (RC) transmission 2) to IC 3) 4) 5) For ed ed. 6) Remote Remote No reply 1) controlcontroller (ACK) at IC ler (RC) (RC) transmission 2) to RC 3) 4) 5) At once, 6) | (continued) System Generating compounit sition 1 2 (MELANS) controller system 3 with system Connecting (3): No ACK error When no ACK controller, Note) The the Display of Detecting address trouble method Outdoor Remote No reply unit controller (ACK) at IC (OC) (RC) transmission to OC Indoor Remote No reply unit controller (ACK) at (IC) (RC) transmission of SC to IC Remote Remote No reply controller control- (ACK) at (RC) ler (RC) transmission of IC to RC No reply (ACK) at transmission of MELANS to RC | (continued) System Generating compounit sition 4 (MELANS) contr
- 6608Error code9-5. TROUBLESHOOTING Phenomena 1. Remote controller work. 2. “PLEASE WAIT” on the remote 3. When pressing operation switch, display is appeared turned off soon.: M-NET NO RESPONSE 1 Transmitting Abnormal if a message was transmitted repeated noise and and there were reply (ACK) that message 2 Extinction was received, but response command voltage does not return. Transmitting side detects by over-range abnormality every 30 seconds, 6 times wire. continuously. • Maximum Note) The address and attribute displayed • Remote at remote controller indicate the 3 Extinction controller that did not reply (ACK). voltage by type-unmatched sion wire. Type.... With shi
- 6831Error codeMA controller signal reception error (No signal reception): Communication between the MA remote controller and the indoor unit is not done properly. No proper data has been received for 3 minutes.
- 6832Error codeMA remote controller signal transmission error (Synchronization error): MA remote controller and the indoor unit is not done properly. Failure to detect opening in the transmission path and unable to send signals Indoor unit : 3 minutes Remote controller : 6 seconds
- 6833Error codeMA remote controller signal transmission error (Hardware error): Communication between the MA remote controller and the indoor unit is not done properly. An error occurs when the transmitted data and the received data differ for 30 times in a row.
- 6834Error codeMA controller signal reception error (Start bit detection error): Communication between the MA remote controller and the indoor unit is not done properly. No proper data has been received for 2 minutes.
- 6840Error codeIndoor/outdoor unit communication error (Signal receiving error) Abnormal if indoor controller board could not receive any signal normally for 6 minutes after turning the power on. Abnormal if indoor controller board could not receive any signal normally for 3 minutes. Consider the unit as abnormal under the following condition When 2 or more indoor units are connected to an outdoor unit, indoor controller board could not receive a signal for 3 minutes from outdoor controller circuit board, a si | Indoor/outdoor unit communication error (Signal receiving error) (Outdoor unit) Abnormal if outdoor controller circuit board could not receive anything normally for 3 minutes.
- 6841Error codeIndoor/outdoor unit communication error (Transmitting error) (Outdoor unit) • Abnormal if “0” receiving is detected 30 times continuously though outdoor controller circuit board has transmitted “1”. • Abnormal if outdoor controller circuit board could not find blank of transmission path for 3 minutes. Non defined error code
- 6842Error codeIndoor/outdoor unit communication error (Transmitting error) Abnormal if "1" receiving is detected 30 times continuously though indoor controller board has transmitted "0".
- 6844Error codeIndoor/outdoor unit connector miswiring, excessive number of units 1. Abnormal if the number cannot be checked automatically due to miswiring of indoor/outdoor unit connecting wire and etc. after power is turned on for 4 minutes. 2. Abnormal if outdoor controller circuit board recognizes excessive number of indoor units.
- 6845Error codeAbnormal if the indoor unit number cannot be set within 4 minutes after power on because of miswiring (converse wiring or disconnection) of indoor/outdoor unit connecting wire.
- 6846Error codeof the indoor/outdoor unit connecting wire. Startup time over The unit cannot finish Startup process within 4 minutes after power on.
- 6920Error codeCommunication error - No return of response frame
- 6930Error codeModbus device communication error This error occurs when there is no response from the watt-hour meter connected via Modbus for a certain period of time.
- 7100Error codeTotal capacity error Total capacity of indoor units in the same refrigerant system exceeds limitations. Error source: Outdoor unit
- 7101Error codeCapacity code error Error display at erroneous connection of Indoor unit of which model name can not be connected. Error source: Outdoor unit Indoor unit
- 7102Error codeConnected unit count over Number of units connected in the same refrigerant system exceeds limitations. Trouble source: Outdoor unit
- 7105Error codeAddress setting error • Erroneous setting of OC unit address • Erroneous setting of BC controller address Trouble source : Outdoor unit
- 7106Error codeSystem abnormality - Attribute setting error
- 7107Error codePort setting error: The port with wrong number is connected to the indoor unit.The model total connected to the port is greater than the specification.
- 7109Error codeSystem abnormality - Connection setting error
- 7110Error codeIndoor units cannot operate because they are not connected to the correct outdoor units in the same refrigerant circuit.
- 7111Error codeRemote control sensor error Error not providing the temperature designed to remote controller sensor. Trouble source : Indoor unit
- 7130Error codeIncompatible unit combination: The check code will appear when the indoor units with different refrigerant systems are connected. 3. An indoor unit and the BC controller. compatible indoor unit or BC controller is conCheck whether the connecting adapter for nected. M-NET is not connected to the indo
- 7702Error codeM-NET remote controller, MA remote controller, system controller
- 7703Error codeM-NET remote controller, MA remote controller, system controller
- 7705Error codeM-NET remote controller, MA remote controller, system controller : Test run check sheet run of units (SW1-9) Operation ON OFF ON building control system check list, you can either
- 7905Error codeNOTE:: Version error 1) When the error code is for a air conditioning unit and perform indicates its internal status table shows the LED lighting are located on the lower left of STATUS LED Operation status color and Normal The equipment is normally. Error (If using a cloud No communication cloud system Normal The software of AE-C/EW-C unit updated. Normal The update using memory device has completed successfully. Normal (If using a cloud Communication cloud system has established, but signal is weak.