Toshiba MMU-AP0091MH, MMU-AP0181MH, MMU-AP0151MH E08, E12, E15, E09 Duplicated master, E10

Page 67

Check code

Check code name

Cause of operation

 

 

 

[E08]

Duplicated indoor addresses

Indoor addresses are duplicated.

 

 

 

Auxiliary code : Duplicated indoor address

Using a main remote controller (RBC-AMT21E), check the setup item codes (DN code) 12, 13, and 14. When there is no address duplication, check to the following flowchart.

Check code

Check code name

 

 

Cause of operation

 

 

 

 

 

[E12]

Automatic address start error

 

1.

When indoor automatic address started,

 

 

 

 

other refrigerant circuit system was setting

 

 

 

 

automatic address. (Sub code : 01)

 

 

 

2.

When outdoor automatic address started,

 

 

 

 

the indoor automatic address was being

 

 

 

 

set. (Sub-code: 02)

 

 

 

 

Auxiliary code : 01: Communication between indoor and outdoor

02: Communication between outdoor units

Is cable connection to

communication line normal?

YES

Is not communication line connected

to the different outdoor unit?

NO

Is indoor unit quantity connected

NO

YES

NO

Correct wire connection.

Are U1, U2, U3, and U4 connectors connected?

YES

Disconnect connector connection

of U1, U2, U3, and U4.

NO

Turn on power of

outdoor unit again.

Set up address again.

(Refer to “Address setup procedure”.)

to outdoor unit correct?

Correct communication line.

Check code

Check code name

Cause of operation

YES

Set up indoor address again.

67

[E15]

No corresponding indoor unit

1. Communication line connection error

 

during automatic address

 

between indoor and outdoor.

 

 

2.

Indoor power system error

 

 

3.

Noise from surrounding devices

 

 

4.

Power failure

 

 

5.

Indoor P.C. board error

Check code

 

Check code name

 

 

Cause of operation

 

 

 

 

 

 

[E09]

 

Duplicated master

 

 

Setup of master remote controller is dupli-

 

 

remote controller

 

 

cated.

 

 

 

 

 

 

Are two remote controllers set up

YES

 

 

 

 

Correct setup of remote controllers as a master:

 

 

as two master remote controllers?

 

 

a other. (Remote controller address connector)

NO

 

 

 

 

 

 

 

 

Is communication line between indoor and outdoor normal?

YES

Is connection of CN40 connector

on indoor P.C. board correct?

YES

NO

NO

Correct communication line.

Correct connection of connector.

Check remote controller P.C. board.

Failure Replace

Check code

 

 

Check code name

Cause of operation

 

 

 

 

 

 

 

 

[E10]

 

Communication error

Indoor P.C. board error A’ssy failure

 

 

 

in indoor P.C. board A’ssy

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there any trouble on power line?

YES

 

Check power voltage on line.

 

 

 

 

 

 

Eliminate noise, etc.

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check indoor control P.C. board.

 

 

 

 

 

 

 

Failure Replace

 

 

 

 

 

 

 

 

Is connection of CN01

connector on I/F P.C. board of header outdoor unit correct?

YES

Is there any connection

error of power wire?

NO

Did a power failure occur?

NO

Is there no noise source?

NO

Set up address again

after resetting power supply.

NO

YES

YES

YES

Correct connection of connector.

Correct power wire.

Set up address again after

resetting power supply.

Eliminate noise.

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Page 66 Page 68
Contents Compact 4-Way Air Discharge Cassette Type Contents Safety Caution Metal section Earth position Check the following items after reinstallationCatch the inner cables Fire is caused at user’s sideFlare nut Safety Caution Concerned to New RefrigerantPipe Materials PipingGeneral tools Conventional tools can be used R410A Conventional air Air conditioner installationConditioner installation ToolsCylinder with siphon Recharge of RefrigerantEnvironment 4mm-hexagonal wrench is requiredDrain-up standing-up size Space required for Installation and servicingWired remote Construction Views External ViewsControl P.C. board Wiring DiagramFor Indoor unit MCC-1402Model Parts RatingParts Rating Name of Each PartDisplay section Parts Name of Remote ControllerWind direction and Swing Remote controller sensorOperation section ButtonStop Turn on the main power switch and/or the leakage breakerCorrect Usage PreparationWhen restarting the operation after stop Automatic Operation Super Heat Recovery Type OnlyStart To select SET Time Timer OperationTimer operation Cancel of timer operationHow to stop swinging Adjustment of Wind DirectionHow to set up the air direction How to start swingingInformation Air Conditioner Operations and Performance Standby When the Following Symptoms are FoundConnect all of the installation wiring correctly Precautions for SafetyNew Refrigerant Air Conditioner Installation To Disconnect the Appliance from Main Power SupplyInstallable ceiling height list Selection of Installation PlaceInstallation space Installation spaceCase of wireless type Installation of Indoor UnitDimensional view Installation of remote controller Sold separately Ceiling opening and installation of hanging boltsInstallation of ceiling panel Sold separately Installation of hanging boltDrain Piping Work Permissible pipe length and permissible height difference Piping material and dimensionsRefrigerant Piping Thermal insulating processOpen fully valves of the outdoor unit Gas leak check Electric WorkConnection of refrigerant pipe Airtight test/Air purge, etcRemote controller wiring *4 Power supply specificationsIndoor unit power supply *1 Indoor/Outdoor inter-unit wiring, Central controller wiringApplicable Controls Increased heating effect Case of installation to high ceilingCase of remote controller-less Group control Change of lighting time of filter signTest RUN How to execute test operationCase of wireless remote controller Case of wired remote controllerConfirmation and check Check method TroubleshootingConfirmation of error history Check code listError detected by TCC-LINK central control device TroubleshootingWay Air Discharge Cassette Type MaintenanceDaily maintenance New check codeFunctional part name Functional outline Refrigerating Cycle DiagramControl Outline Control SpecificationsOutline of specifications Remarks Remote controller Control outline CommandValue Reset conditionsTCB-AX21E Central control mode Central control mode 1 Cannot operateCentral control mode 4 Cannot select mode Applied Control Procedure Execute the setup operation while the unit stopsHEAT, Heat → Cool Description At shipmentIndoor unit capacity Applied Control in Indoor UnitRemote location ON/OFF control box TCB-IFCB-4E Operation Ventilating fan control from remote controllerWiring FunctionLeaving-ON prevention control Power peak-cut from indoor unitUsing the setup temp Button, set to the setup dataTroubleshooting procedure TroubleshootingTroubleshooting Summary Before troubleshootingJudging device Check code listCheck Method Auxiliary codeSensor block display MG-SWCheck code Outdoor 7-segment display Auxiliary code Error detected by TCC-LINK central control deviceCheck code Procedure Description Troubleshooting by Check Display on Remote ControllerCase of wired remote controller RBC-AMT31E Confirmation of error historyCase of central remote controller TCB-SC642TLE Remote Check codeOutdoor 7-segment display Check code Auxiliary codeConvenient functions Setup method of No. capacity-over DetectionCheck code Main Outdoor 7-segment display RemoteDetected Main Outdoor 7-segment displayCheck code Auxiliary code RemoteCheck item position Remote Check codeDetected Main Status Error detection condition Check item positionPosition Remote Check clogging of oil equation pipe between compressors Check code Main Outdoor 7-segment displayH07 Check all the outdoor units in the corresponding lineH16 Check code Main Outdoor 7-segment display RemoteL30 Detected indoor address L31 P01 P03 P04 Name TS error judgment standard temperatureHeating Remote Check code Auxiliary code Outdoor 7-segment display Check code name Error detection condition Check item positionCentral control Outdoor 7-segment display Detected positionDevice Check code Display onMeasured position Criteria How to check inverter outputHow to check resistance of compressor winding How to check the outdoor fan motorE02 Diagnosis Procedure for Each Check CodeE03 E04E07 E06 Decreased number of indoor unitsE09 Duplicated master E08E12 E15Reference E16E18 E19E25 ∗ 1 How to clear the errorE20 E23F03 E31F01 F02F08 To sensor error F04 TD1 sensor errorF05 TD2 sensor error F06 TE1 sensor errorF23 F29 Indoor other errorF15 Outdoor temp sensor miscabling TE1, TLH03 F31H02 H01H06 Low-pressure protective operation Clogging for SV3E valve Leakage check for SV3C valveClogging check for SV3D valve H08 Clogging check for oil-equalization circuitTK3 temperature detective circuit error Oil level detective circuit system errorL03 H16 TK4 temperature detective circuit errorL04 L05L08 L07 Group line in individual indoor unitL10 L17L28 L18L29 L20L31 P01 Indoor fan motor errorL30 Interlock in indoor unit P03Auxiliary code Compressor 1 side P05 Open phase, negative phaseP04 Actuation High-pressure SWP12 P07 Heat sink overheat errorP10 Indoor overflow error Indoor fan motor errorTS condition Auxiliary code P13 Outdoor liquid back detection error 1. PMV1/PMV2 errorP15 Gas leak detectionTD condition Auxiliary code Discharge temp TD2 errorP15 Gas leak detection P17P20 High-pressure protective operation P19 Way valve operation errorJudgment criteria Auxiliary code 0 ∗ P22 Outdoor fan Ipdu errorP31 P26 Tr short-circuit protection errorDetective circuit error P29Segment display on the outdoor unit Interface P.C. board Check procedure in case of stop with troubleHow to read the check monitor Segment display Segment Display FunctionSW01 SW02 SW03 Display contents There is auxiliary code Check code ∗ ∗ ∗ for 3 seconds SW03 SW02 Indoor address Segment display a Data display of outdoor cycle Displayed on each outdoor unitSegment display A, B Sensor CharacteristicsTemperature sensor characteristics W01 SW02 SW03 Display contents Segment displayIndoor Unit Configuration of Control CircuitWired remote controller Up to 2 units Weekly timerKit Connection of wireless remote controllerCompact 4-way Air Discharge Cassette Type Compact4-way Air Discharge Connection of both remote WirelessCassette Type Controller RemoteCassette Air DischargeType MCC-1402 Compact 4-wayFunction Connector Pin Specifications Remarks Optional Connector Specifications of Indoor P.C. BoardAttachment Part name Procedure RemarksDetachments Preparing work100 101 No. Part name Procedure Remarks102 Bell mouth 1. Detachment No. Part name Procedure103 Fan guard 1. DetachmentFan motor 1. Detachment 104Drain pump 1. Detachment 105Details of a part Details of sensor lead wire drawing106 Arrow view B107 Exchanger Recover refrigerant gasHeat 108 10. P.C. Board Exchange ProceduresExchange of P.C. Board for Indoor Service Exchange procedureRemote controller operation diagram Procedure 1 Readout setup contents from Eeprom110 Procedure 2 Exchange of P.C. board for serviceEeprom layout Procedure 3 Writing-in of setup contents to EepromMake a note of the setup contents. Item code list Example Description Exploded Views and Parts ListCeiling Panel 113114 Compact 4-way Air Discharge Cassette TypeMMU-AP0071MH, AP0091MH, AP0121MH, AP0151MH, AP0181MH 211Description Remarks Model Name 1150071MH 0091MH 0121MH 0151MH 0181MH Description Model Name 116Toshiba Carrier Corporation

MMU-AP0181MH, MMU-AP0071MH, MMU-AP0091MH, MMU-AP0151MH, MMU-AP0121MH specifications

The Toshiba MMU-AP series, consisting of models MMU-AP0121MH, MMU-AP0151MH, MMU-AP0091MH, MMU-AP0071MH, and MMU-AP0181MH, represents a significant advancement in the realm of power management and energy efficiency for a variety of applications. These modules are designed to optimize performance while ensuring minimal energy consumption, making them suitable for both commercial and industrial uses.

One of the standout features of the MMU-AP series is its intelligent power management technology. This feature allows for adaptive energy distribution based on real-time demands. By leveraging precise control algorithms, the modules can adjust their output to match the specific requirements of connected devices, ultimately leading to reduced power loss and increased efficiency. This adaptability not only benefits end-users by lowering operational costs but also contributes to a greener environment by minimizing waste.

The versatility of the MMU-AP series is evident in its wide range of operational capabilities. These power modules are designed to work effectively in various voltage levels and load conditions. With input voltage ranges suitable for standard industrial environments, they can easily be integrated into existing systems, enhancing overall functionality without requiring extensive modifications.

Moreover, the compact design of the MMU-AP modules is another notable characteristic. Their size and light weight facilitate easier installation and integration into tight spaces, making them ideal for applications where real estate is a premium. This compact profile does not compromise performance, as these modules are engineered to deliver robust power output while maintaining thermal efficiency.

In terms of reliability, the MMU-AP series is built with high-grade components that withstand harsh operating conditions. With features such as over-voltage protection, short-circuit protection, and thermal shutdown capabilities, users can trust that their equipment would operate safely and efficiently, thereby extending the lifespan of both the power modules and the devices they serve.

Finally, Toshiba’s commitment to innovation ensures that the MMU-AP series incorporates cutting-edge technology. The series supports communication protocols that enable seamless integration with smart systems, paving the way for advanced monitoring and control functions. This levels up the user experience, providing insights into performance and diagnostics that are crucial for uptime and reliability in demanding environments.

In conclusion, the Toshiba MMU-AP series offers a blend of efficiency, adaptability, and advanced technology, making it a valuable asset for various industrial and commercial applications. Its intelligent design and robust features ensure that users can optimize energy use while maintaining high performance and reliability.
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