Toshiba MMU-AP0151MH, MMU-AP0181MH, MMU-AP0091MH Check code Main Outdoor 7-segment display, H07

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56

Check code

Main

Outdoor 7-segment display

remote

 

 

Check code

Auxiliary code

controller

 

 

 

H07

H07

H08

H08

01: TK1 sensor error

 

 

02: TK2 sensor error

 

 

03: TK3 sensor error

 

 

04: TK4 sensor error

H14

H14

Detected

Check code name

Status

 

Error detection condition

 

Check item (position)

position

 

 

 

 

 

 

 

 

I/F

Protection for oil

All stop

The operating compressor detected oil shortage

<Check all the outdoor units in the corresponding line.>

 

level drop detection

 

continuously for 2 hours.

Check full opening of service valve of balance pipe.

 

 

 

 

 

 

 

 

 

 

• Check connection and installation of TK1, TK2, TK3, and TK4 sensors.

 

 

 

 

 

• Check characteristics of TK1, TK2, TK3, and TK4 resistance values.

 

 

 

 

 

Check gas leak and oil leak in the same line.

 

 

 

 

 

Check refrigerant stagnation in compressor.

 

 

 

 

 

• Check error of SV3A, SV3B, SV3C, SV3D, and SV3E valves.

 

 

 

 

 

Check clogging of oil separator oil return circuit.

 

 

 

 

 

Check clogging of oil-equation circuit.

 

 

 

 

 

<Check clogging of oil equation pipe between compressors.>

 

 

 

 

 

• Check TS1, TS2 sensors (Miswiring and misinstallation of TS1 and TS2)

 

 

 

 

 

Check leakage of SV6 circuit.

 

 

 

 

 

Check FS unit.

 

 

 

 

 

 

Leakage of check valve of bypass between liquid pipe and discharge gas pipe

 

 

 

 

 

 

Mispiping of discharge/suction gas connection

 

 

 

 

 

 

Miswiring of SVD/SVS valve/Misinstallation of coil

 

 

 

 

 

Check whether there is no setup missing of indoor unit in all cooling operation mode

 

 

 

 

 

 

 

I/F

Oil level detective

All stop

Resistance value of sensor is infinite or zero.

Check connection of TK1 sensor connector.

 

temp sensor error

 

 

(Open/Short)

• Check characteristics of TK1 sensor resistance value.

 

 

 

 

 

 

 

 

 

 

• Check outdoor P.C. board (I/F) error.

 

 

 

 

 

 

 

 

 

All stop

Resistance value of sensor is infinite or zero.

Check connection of TK2 sensor connector.

 

 

 

 

(Open/Short)

• Check characteristics of TK2 sensor resistance value.

 

 

 

 

 

 

 

 

 

 

• Check outdoor P.C. board (I/F) error.

 

 

 

 

 

 

 

 

 

All stop

Resistance value of sensor is infinite or zero.

Check connection of TK3 sensor connector.

 

 

 

 

(Open/Short)

• Check characteristics of TK3 sensor resistance value.

 

 

 

 

 

 

 

 

 

 

• Check outdoor P.C. board (I/F) error.

 

 

 

 

 

 

 

 

 

All stop

Resistance value of sensor is infinite or zero.

Check connection of TK4 sensor connector.

 

 

 

 

(Open/Short)

• Check characteristics of TK4 sensor resistance value.

 

 

 

 

 

 

 

 

 

 

• Check outdoor P.C. board (I/F) error.

 

 

 

 

 

 

I/F

Compressor 2 case

All stop

Compressor 2 case thermostat operated.

Check compressor 2 case thermo circuit. (Connector, cable, P.C. board)

 

thermo operation

 

 

 

• Check full opening of service valve. (Gas and liquid side)

 

 

 

 

 

 

 

 

 

 

• Check outdoor PMV clogging. (PMV1, 2)

 

 

 

 

 

• Check SV42 valve leak.

 

 

 

 

 

Check miscabling/misinstallation of SV41 and SV42.

 

 

 

 

 

• Check valve opening of indoor PMV.

 

 

 

 

 

Check 4-way valve error.

 

 

 

 

 

Check refrigerant shortage.

 

 

 

 

 

• Check SV11 circuit. (Wiring, OFF at one side only)

 

 

 

 

 

Check mispiping of discharge gas/suction gas main pipe.

 

 

 

 

 

Check Flow selector unit.

 

 

 

 

 

 

Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS.)

 

 

 

 

 

 

Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between

 

 

 

 

 

 

FS unit and indoor unit, and connection of connectors.

 

 

 

 

 

 

Check miswiring of SVS/SVD valves.

 

 

 

 

 

 

 

Image 56
Contents Compact 4-Way Air Discharge Cassette Type Contents Safety Caution Check the following items after reinstallation Catch the inner cablesFire is caused at user’s side Metal section Earth positionSafety Caution Concerned to New Refrigerant Pipe MaterialsPiping Flare nutR410A Conventional air Air conditioner installation Conditioner installationTools General tools Conventional tools can be usedRecharge of Refrigerant Environment4mm-hexagonal wrench is required Cylinder with siphonSpace required for Installation and servicing Wired remoteConstruction Views External Views Drain-up standing-up sizeWiring Diagram For Indoor unitMCC-1402 Control P.C. boardParts Rating Parts RatingName of Each Part ModelParts Name of Remote Controller Display sectionRemote controller sensor Operation sectionButton Wind direction and SwingTurn on the main power switch and/or the leakage breaker Correct UsagePreparation StopStart Automatic Operation Super Heat Recovery Type OnlyWhen restarting the operation after stop Timer Operation Timer operationCancel of timer operation To select SET TimeAdjustment of Wind Direction How to set up the air directionHow to start swinging How to stop swingingInformation Air Conditioner Operations and Performance When the Following Symptoms are Found StandbyPrecautions for Safety New Refrigerant Air Conditioner InstallationTo Disconnect the Appliance from Main Power Supply Connect all of the installation wiring correctlySelection of Installation Place Installation spaceInstallation space Installable ceiling height listDimensional view Installation of Indoor UnitCase of wireless type Ceiling opening and installation of hanging bolts Installation of ceiling panel Sold separatelyInstallation of hanging bolt Installation of remote controller Sold separatelyDrain Piping Work Piping material and dimensions Refrigerant PipingThermal insulating process Permissible pipe length and permissible height differenceElectric Work Connection of refrigerant pipeAirtight test/Air purge, etc Open fully valves of the outdoor unit Gas leak checkPower supply specifications Indoor unit power supply *1Indoor/Outdoor inter-unit wiring, Central controller wiring Remote controller wiring *4Applicable Controls Case of installation to high ceiling Case of remote controller-less Group controlChange of lighting time of filter sign Increased heating effectHow to execute test operation Case of wireless remote controllerCase of wired remote controller Test RUNTroubleshooting Confirmation of error historyCheck code list Confirmation and check Check methodTroubleshooting Error detected by TCC-LINK central control deviceMaintenance Daily maintenanceNew check code Way Air Discharge Cassette TypeRefrigerating Cycle Diagram Functional part name Functional outlineControl Specifications Outline of specifications RemarksRemote controller Control outline Command Control OutlineReset conditions ValueTCB-AX21E Central control mode 4 Cannot select mode Central control mode 1 Cannot operateCentral control mode Procedure Execute the setup operation while the unit stops Applied ControlDescription At shipment HEAT, Heat → CoolRemote location ON/OFF control box TCB-IFCB-4E Applied Control in Indoor UnitIndoor unit capacity Ventilating fan control from remote controller WiringFunction OperationPower peak-cut from indoor unit Using the setup tempButton, set to the setup data Leaving-ON prevention controlTroubleshooting Troubleshooting SummaryBefore troubleshooting Troubleshooting procedureCheck code list Check MethodAuxiliary code Judging deviceMG-SW Sensor block displayError detected by TCC-LINK central control device Check code Outdoor 7-segment display Auxiliary codeCheck code Troubleshooting by Check Display on Remote Controller Case of wired remote controller RBC-AMT31EConfirmation of error history Procedure DescriptionCase of central remote controller TCB-SC642TLE Check code Outdoor 7-segment displayCheck code Auxiliary code RemoteSetup method of No. capacity-over Detection Check codeMain Outdoor 7-segment display Remote Convenient functionsMain Outdoor 7-segment display Check code Auxiliary codeRemote DetectedRemote Check code Check item positionPosition Remote Status Error detection condition Check item positionDetected Main Check code Main Outdoor 7-segment display H07Check all the outdoor units in the corresponding line Check clogging of oil equation pipe between compressorsCheck code Main Outdoor 7-segment display Remote H16L30 Detected indoor address L31 P01 P03 P04 Heating TS error judgment standard temperatureName Remote Check code Auxiliary code Error detection condition Check item position Outdoor 7-segment display Check code nameOutdoor 7-segment display Detected position Device Check codeDisplay on Central controlHow to check inverter output How to check resistance of compressor windingHow to check the outdoor fan motor Measured position CriteriaDiagnosis Procedure for Each Check Code E03E04 E02E06 Decreased number of indoor units E07E08 E12E15 E09 Duplicated masterE16 E18E19 Reference∗ 1 How to clear the error E20E23 E25E31 F01F02 F03F04 TD1 sensor error F05 TD2 sensor errorF06 TE1 sensor error F08 To sensor errorF29 Indoor other error F15 Outdoor temp sensor miscablingTE1, TL F23F31 H02H01 H03H06 Low-pressure protective operation Clogging check for SV3D valve Leakage check for SV3C valveClogging for SV3E valve Clogging check for oil-equalization circuit H08Oil level detective circuit system error TK3 temperature detective circuit errorH16 TK4 temperature detective circuit error L04L05 L03L07 Group line in individual indoor unit L10L17 L08L18 L29L20 L28P01 Indoor fan motor error L30 Interlock in indoor unitP03 L31P05 Open phase, negative phase P04 ActuationHigh-pressure SW Auxiliary code Compressor 1 sideP07 Heat sink overheat error P10 Indoor overflow errorIndoor fan motor error P12P13 Outdoor liquid back detection error 1. PMV1/PMV2 error P15Gas leak detection TS condition Auxiliary codeDischarge temp TD2 error P15 Gas leak detectionP17 TD condition Auxiliary codeJudgment criteria P19 Way valve operation errorP20 High-pressure protective operation P22 Outdoor fan Ipdu error Auxiliary code 0 ∗P26 Tr short-circuit protection error Detective circuit errorP29 P31Check procedure in case of stop with trouble How to read the check monitor Segment displaySegment Display Function Segment display on the outdoor unit Interface P.C. boardSW01 SW02 SW03 Display contents There is auxiliary code Check code ∗ ∗ ∗ for 3 seconds Data display of outdoor cycle Displayed on each outdoor unit SW03 SW02 Indoor address Segment display aSensor Characteristics Temperature sensor characteristicsW01 SW02 SW03 Display contents Segment display Segment display A, BConfiguration of Control Circuit Wired remote controller Up to 2 unitsWeekly timer Indoor UnitCompact 4-way Air Discharge Cassette Type Connection of wireless remote controllerKit Wireless Cassette Type ControllerRemote Compact4-way Air Discharge Connection of both remoteAir Discharge TypeMCC-1402 Compact 4-way CassetteOptional Connector Specifications of Indoor P.C. Board Function Connector Pin Specifications RemarksPart name Procedure Remarks DetachmentsPreparing work Attachment100 No. Part name Procedure Remarks 101102 No. Part name Procedure 103Fan guard 1. Detachment Bell mouth 1. Detachment104 Fan motor 1. Detachment105 Drain pump 1. DetachmentDetails of sensor lead wire drawing 106Arrow view B Details of a partHeat Exchanger Recover refrigerant gas107 10. P.C. Board Exchange Procedures Exchange of P.C. Board for Indoor ServiceExchange procedure 108Procedure 1 Readout setup contents from Eeprom Remote controller operation diagramProcedure 2 Exchange of P.C. board for service 110Procedure 3 Writing-in of setup contents to Eeprom Eeprom layoutMake a note of the setup contents. Item code list Example Exploded Views and Parts List Ceiling Panel113 DescriptionCompact 4-way Air Discharge Cassette Type MMU-AP0071MH, AP0091MH, AP0121MH, AP0151MH, AP0181MH211 1140071MH 0091MH 0121MH 0151MH 0181MH 115Description Remarks Model Name 116 Description Model NameToshiba 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.