Toshiba MMU-AP0091MH Troubleshooting, Error detected by TCC-LINK central control device

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32

9 TROUBLESHOOTING

 

 

 

 

Check code

Wireless remote controller

 

 

Main

 

 

 

Outdoor 7-segment display

Sensor block display

Check code name

Judging device

remote

 

 

 

 

 

of receiving unit

 

 

 

 

 

 

 

 

 

 

controller

 

 

 

 

 

 

 

 

 

 

 

 

 

display

 

 

 

Auxiliary code

Operation

 

Timer

Ready

Flash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F01

—

 

—

¤

¤

 

 

l

ALT

Indoor TCJ sensor error

Indoor

F02

—

 

—

¤

¤

 

 

l

ALT

Indoor TC2 sensor error

Indoor

F03

—

 

—

¤

¤

 

 

l

ALT

Indoor TC1 sensor error

Indoor

F04

F04

 

—

¤

¤ ¡

ALT

TD1 sensor error

I/F

F05

F05

 

—

¤

¤

 

¡

ALT

TD2 sensor error

I/F

F06

F06

 

—

¤

¤

 

¡

ALT

TE1 sensor error

I/F

F07

F07

 

—

¤

¤

 

¡

ALT

TL sensor error

I/F

F08

F08

 

—

¤

 

¤

 

¡

ALT

TO sensor error

I/F

F10

—

 

—

¤

 

¤ l

ALT

Indoor TA sensor error

Indoor

F12

F12

 

—

¤

¤ ¡

ALT

TS1 sensor error

I/F

F13

F13

 

01: Comp. 1 side

¤

¤ ¡

ALT

TH sensor error

IPDU

 

02: Comp. 2 side

F15

F15

 

—

¤

¤ ¡

ALT

Outdoor temp. sensor miscabling (TE, TL)

I/F

F16

F16

 

—

¤

 

¤

 

¡

ALT

Outdoor pressure sensor miscabling (Pd, Ps)

I/F

F23

F23

 

—

¤

 

¤ ¡

ALT

Ps sensor error

I/F

F24

F24

 

—

¤

¤ ¡

ALT

Pd sensor error

I/F

F29

—

 

—

¤

 

¤ l

SIM

Indoor other error

Indoor

F31

F31

 

—

¤

¤

 

¡

SIM

Indoor EEPROM error

I/F

H01

H01

 

01: Comp. 1 side

l

 

¤ l

 

Compressor break down

IPDU

 

02: Comp. 2 side

 

 

H02

H02

 

01: Comp. 1 side

l

¤

 

 

l

 

Magnet switch error

MG-SW

 

 

 

 

Overcurrent relay operation

Overcurrent relay

 

02: Comp. 2 side

 

 

 

 

 

 

 

 

 

 

 

 

Compressor trouble (lock)

IPDU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H03

H03

 

01: Comp. 1 side

l

 

¤ l

 

Current detect circuit system error

IPDU

 

02: Comp. 2 side

 

 

H04

H04

 

—

l

 

¤ l

 

Comp 1 case thermo operation

I/F

H06

H06

 

—

l

 

¤ l

 

Low pressure protective operation

I/F

H07

H07

 

—

l

 

¤

 

l

 

Oil level down detective protection

I/F

 

 

 

 

01: TK1 sensor error

 

 

¤ l

 

 

 

H08

H08

 

02: TK2 sensor error

l

 

 

Oil level detective temp sensor error

I/F

 

03: TK3 sensor error

 

 

 

 

 

 

04: TK4 sensor error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H14

H14

 

—

l

 

¤ l

 

Comp 2 case thermo operation

I/F

 

 

 

 

01: TK1 oil circuit system error

 

¤

 

 

 

 

Oil level detective circuit error

I/F

 

 

 

 

02: TK2 oil circuit system error

 

 

 

 

 

H16

H16

 

l

 

 

l

 

Magnet switch error

MG-SW

 

03: TK3 oil circuit system error

 

 

 

 

 

 

 

 

 

 

 

 

Overcurrent relay operation

Overcurrent relay

 

 

 

 

04: TK4 oil circuit system error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L03

—

 

—

¤ l

 

¤

SIM

Indoor center unit duplicated

Indoor

L04

L04

 

—

¤

 

¡

 

 

¤

SIM

Outdoor line address duplicated

I/F

L05

—

 

—

¤ l

¤

SIM

Duplicated indoor units with priority

I/F

 

(Displayed in indoor unit with priority)

L06

L06

 

No. of indoor units with priority

¤ l

¤

SIM

Duplicated indoor units with priority

I/F

 

(Displayed in unit other than indoor unit with priority)

L07

—

 

—

¤ l

¤

SIM

Group line in individual indoor unit

Indoor

L08

L08

 

—

¤

l

¤

SIM

Indoor group/Address unset

Indoor, I/F

L09

—

 

—

¤

l

 

¤

SIM

Indoor capacity unset

Indoor

L10

L10

 

—

¤

¡

 

 

¤

SIM

Outdoor capacity unset

I/F

L20

L20

 

—

¤

¡

 

 

¤

SIM

Duplicated central control addresses

Indoor

L28

L28

 

—

¤ ¡

 

 

¤

SIM

Over No. of connected outdoor units

I/F

 

 

 

 

01: IPDU1 error

 

 

 

 

 

 

 

 

 

 

 

 

 

02: IPDU2 error

 

 

 

 

 

 

 

 

 

 

 

 

 

03: IPDU3 error

¤ ¡

 

 

¤

 

 

 

L29

L29

 

04: Fan IPDU error

 

 

SIM

No. of IPDU error

I/F

 

 

 

 

05: IPDU1 + Fan IPDU error

 

 

 

 

 

 

 

 

 

 

 

 

 

06: IPDU2 + Fan IPDU error

 

 

 

 

 

 

 

 

 

 

 

 

 

07: All IPDU error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L30

L30

 

Detected indoor address

¤

¡

 

 

¤

SIM

Indoor outside interlock

Indoor

—

L31

 

—

 

 

—

 

 

Extended I/C error

I/F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check code

 

 

Wireless remote controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main

 

 

 

Outdoor 7-segment display

 

 

 

Sensor block display

Check code name

 

Judging device

remote

 

 

 

 

 

 

 

of receiving unit

 

 

 

 

 

 

 

 

 

 

 

 

 

controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

display

 

 

 

Auxiliary code

 

 

Operation Timer

Ready

Flash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P01

—

 

 

—

 

 

l

 

¤

¤

ALT

Indoor fan motor error

 

Indoor

P03

P03

 

 

—

 

 

¤ l

¤

ALT

Discharge temp. TD1 error

 

I/F

P04

P04

01: Comp. 1 side

 

 

¤ l

¤

ALT

High-pressure SW system operation

 

IPDU

02: Comp. 2 side

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P05

P05

01: Phase-missing detection

 

 

¤ l

¤

ALT

Phase-missing detection /Phase error

 

I/F

02: Phase error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P07

P07

01: Comp. 1 side

 

 

¤ l

¤

ALT

Heat sink overheat error

 

IPDU, I/F

02: Comp. 2 side

 

 

 

P10

P10

Detected indoor address

 

 

l

 

¤

¤

ALT

Indoor overflow error

 

Indoor

P12

—

 

 

—

 

 

l

 

¤

¤

ALT

Indoor fan motor error

 

Indoor

P13

P13

 

 

—

 

 

l

¤

¤

ALT

Outdoor liquid back detection error

 

I/F

P15

P15

01: TS condition

 

 

¤ l

¤

ALT

Gas leak detection

 

I/F

02: TD condition

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P17

P17

 

 

—

 

 

¤

l

¤

ALT

Discharge temp. TD2 error

 

I/F

P19

P19

Detected outdoor unit number

 

 

¤ l

¤

ALT

4-way valve inverse error

 

I/F

P20

P20

 

 

—

 

 

¤ l

¤

ALT

High-pressure protective operation

 

I/F

 

 

0

[

: IGBT short

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

[

: Fan motor position detective circuit error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P22

P22

3

[

: Fan motor trouble

 

 

¤ l

¤

ALT

Outdoor fan IPDU error

 

IPDU

 

 

 

C

[

: TH sensor temp. error

 

 

 

 

 

 

 

 

 

 

(Heat sink overheat)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

[

: TH sensor error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

[

: Vdc output error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P26

P26

01: Comp. 1 side

 

 

¤ l

¤

ALT

G-TR short protection error

 

IPDU

02: Comp. 2 side

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P29

P29

01: Comp. 1 side

 

 

¤ l

¤

ALT

Comp position detective circuit system error

 

IPDU

02: Comp. 2 side

 

 

 

P31

P31

 

 

—

 

 

¤

l

¤

ALT

Other indoor unit error (Group terminal unit error)

Indoor

Error detected by TCC-LINK central control device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check code

Wireless remote controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Central

 

Outdoor 7-segment display

Sensor block display

 

 

 

Check code name

 

Judging device

control

 

 

of receiving unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

indication

 

 

 

Auxiliary code

Operation Timer

Ready

Flash

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C05

—

 

 

—

 

 

—

 

 

 

 

Sending error in TCC-LINK central control device

 

TCC-LINK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C06

—

 

 

—

 

 

—

 

 

 

 

Receiving error in TCC-LINK central control device

 

TCC-LINK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C12

—

 

 

—

 

 

—

 

 

 

 

Batch alarm of general-purpose equipment control

General-purpose equipment

 

 

 

 

 

 

 

 

interface

 

 

 

I/F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P30

 

Differs according to error contents of unit with occurrence of alarm

 

Group control branching unit error

 

TCC-LINK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

—

 

 

—

(L20 is displayed.)

 

Duplicated central control addresses

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminology

TCC-LINK : TOSHIBA Carrier Communication Link.

Page 31 Page 33
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Page 31 Page 33
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.
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