Remote Check code Auxiliary code | Toshiba MMU-AP0151MH instruction

Toshiba MMU-AP0151MH, MMU-AP0181MH, MMU-AP0091MH, MMU-AP0071MH Remote Check code Auxiliary code

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		Check code
				Detected		Status
	Main	Outdoor 7-segment display		Detected	Check code name		Error detection condition		Check item (position)
	Main	Outdoor 7-segment display		position	Check code name		Error detection condition		Check item (position)
	remote			position
	remote	Check code	Auxiliary code
	controller	Check code	Auxiliary code

	P17	P17	—	I/F	Discharge temp	All stop	Discharge temperature (TD2)	•	Check full opening of outdoor service valves (gas side, liquid side).
					TD2 error		exceeded 115°C.	• Check clogging of outdoor PMV (PMV1, 2).
								• Check clogging of outdoor PMV (PMV1, 2).
								• Check characteristics of TD2 sensor resistance value.
								•	Check 4-way valve error.
								•	Check leakage of SV42 circuit.
								• Check SV4 circuit. (Miscabling and misinstallation of SV41 and SV42)
								•	Check leakage of SV5 valve circuit.
								• Check SV6 circuit. (Clogging, Valve operation error)
								•	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.

	P19	P19	Detected outdoor unit No.	I/F	4-way valve	All stop	When abnormal refrigerating cycle	•	Error of 4-way valve error.
					operation error		data was detected in heating	•	Check coil error and connector connection of 4-way valve.
								• Check characteristics of TS1/TE1 sensor resistance value.
								•	Check characteristics of Pd, Ps pressure sensor output voltage.
								• Check misconnection of TE1 and TL sensors.
								•	Check Flow selector unit.
61									Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS.)
61									Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas).


	P20	P20	—	I/F	High-pressure	All stop	Pd sensor detected 3.6MPa or	• Check Pd pressure sensor error.
					protective operation		more.	•	Check full opening of service valves (Gas side, Liquid side).
								•
								•	Check outdoor fan error.
								•	Check outdoor fan motor error.
								• Check clogging of outdoor PMV. (PMV1,2)
								•	Check clogging of indoor/outdoor heat exchangers.
								•	Check air short-circuiting in outdoor unit.
								•	Check clogging of SV2 circuit.
								• Check outdoor P.C. board (I/F) error.
								• Check indoor fan system error. (Cause of air volume decrease)
								• Check valve opening of indoor PMV.
								•	Check miscabling of communication line between indoor and outdoor.
								•	Check operation error of check valve of discharge pipe.
								•	Check circuit of gas balance SV4 valve.
								•	Check mispiping of discharge gas/suction gas main pipe.
								•	Check operation error of check valve of discharge gas pipe.
								• Check circuit of SV11 valve. (Clogging, OFF at one side only)
								• Check clogging of circuit at auxiliary heat exchanger side. (Miswiring, Disconnection, Wiring missing)
								•	Check Flow selector unit.
									Check leakage of SVD valve and operation error.
									Check wiring inside of FS unit. (SVD/SVS coil miswiring, etc.)
									Check wiring between FS unit and indoor unit. (Miswiring, Disconnection, Wiring missing)
								•	Check circuit of SV5 valve.
								•	Check refrigerant overcharge.

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Contents

Compact 4-Way Air Discharge Cassette Type Contents Safety Caution Catch the inner cables Check the following items after reinstallationFire is caused at user’s side Metal section Earth positionPipe Materials Safety Caution Concerned to New RefrigerantPiping Flare nutConditioner installation R410A Conventional air Air conditioner installationTools General tools Conventional tools can be usedEnvironment Recharge of Refrigerant4mm-hexagonal wrench is required Cylinder with siphonWired remote Space required for Installation and servicingConstruction Views External Views Drain-up standing-up sizeFor Indoor unit Wiring DiagramMCC-1402 Control P.C. boardParts Rating Parts RatingName of Each Part ModelDisplay section Parts Name of Remote ControllerOperation section Remote controller sensorButton Wind direction and SwingCorrect Usage Turn on the main power switch and/or the leakage breakerPreparation StopWhen restarting the operation after stop Automatic Operation Super Heat Recovery Type OnlyStart Timer operation Timer OperationCancel of timer operation To select SET TimeHow to set up the air direction Adjustment of Wind DirectionHow to start swinging How to stop swingingInformation Air Conditioner Operations and Performance Standby When the Following Symptoms are FoundNew Refrigerant Air Conditioner Installation Precautions for SafetyTo Disconnect the Appliance from Main Power Supply Connect all of the installation wiring correctlyInstallation space Selection of Installation PlaceInstallation space Installable ceiling height listCase of wireless type Installation of Indoor UnitDimensional view Installation of ceiling panel Sold separately Ceiling opening and installation of hanging boltsInstallation of hanging bolt Installation of remote controller Sold separatelyDrain Piping Work Refrigerant Piping Piping material and dimensionsThermal insulating process Permissible pipe length and permissible height differenceConnection of refrigerant pipe Electric WorkAirtight test/Air purge, etc Open fully valves of the outdoor unit Gas leak checkIndoor unit power supply *1 Power supply specificationsIndoor/Outdoor inter-unit wiring, Central controller wiring Remote controller wiring *4Applicable Controls Case of remote controller-less Group control Case of installation to high ceilingChange of lighting time of filter sign Increased heating effectCase of wireless remote controller How to execute test operationCase of wired remote controller Test RUNConfirmation of error history TroubleshootingCheck code list Confirmation and check Check methodError detected by TCC-LINK central control device TroubleshootingDaily maintenance MaintenanceNew check code Way Air Discharge Cassette TypeFunctional part name Functional outline Refrigerating Cycle DiagramOutline of specifications Remarks Control SpecificationsRemote controller Control outline Command Control OutlineValue 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 Wiring Ventilating fan control from remote controllerFunction OperationUsing the setup temp Power peak-cut from indoor unitButton, set to the setup data Leaving-ON prevention controlTroubleshooting Summary TroubleshootingBefore troubleshooting Troubleshooting procedureCheck Method Check code listAuxiliary code Judging deviceSensor block display MG-SWCheck code Outdoor 7-segment display Auxiliary code Error detected by TCC-LINK central control deviceCheck code Case of wired remote controller RBC-AMT31E Troubleshooting by Check Display on Remote ControllerConfirmation of error history Procedure DescriptionCase of central remote controller TCB-SC642TLE Outdoor 7-segment display Check codeCheck code Auxiliary code RemoteCheck code Setup method of No. capacity-over DetectionMain Outdoor 7-segment display Remote Convenient functionsCheck code Auxiliary code Main Outdoor 7-segment displayRemote DetectedCheck item position Remote Check codeDetected Main Status Error detection condition Check item positionPosition Remote H07 Check code Main Outdoor 7-segment displayCheck all the outdoor units in the corresponding line Check clogging of oil equation pipe between compressors H16 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 positionDevice Check code Outdoor 7-segment display Detected positionDisplay on Central controlHow to check resistance of compressor winding How to check inverter outputHow to check the outdoor fan motor Measured position CriteriaE03 Diagnosis Procedure for Each Check CodeE04 E02E07 E06 Decreased number of indoor unitsE12 E08E15 E09 Duplicated masterE18 E16E19 ReferenceE20 ∗ 1 How to clear the errorE23 E25F01 E31F02 F03F05 TD2 sensor error F04 TD1 sensor errorF06 TE1 sensor error F08 To sensor errorF15 Outdoor temp sensor miscabling F29 Indoor other errorTE1, TL F23H02 F31H01 H03H06 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 errorL04 H16 TK4 temperature detective circuit errorL05 L03L10 L07 Group line in individual indoor unitL17 L08L29 L18L20 L28L30 Interlock in indoor unit P01 Indoor fan motor errorP03 L31P04 Actuation P05 Open phase, negative phaseHigh-pressure SW Auxiliary code Compressor 1 sideP10 Indoor overflow error P07 Heat sink overheat errorIndoor fan motor error P12P15 P13 Outdoor liquid back detection error 1. PMV1/PMV2 errorGas leak detection TS condition Auxiliary codeP15 Gas leak detection Discharge temp TD2 errorP17 TD condition Auxiliary codeP20 High-pressure protective operation P19 Way valve operation errorJudgment criteria Auxiliary code 0 ∗ P22 Outdoor fan Ipdu errorDetective circuit error P26 Tr short-circuit protection errorP29 P31How to read the check monitor Segment display Check procedure in case of stop with troubleSegment 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 SW03 SW02 Indoor address Segment display a Data display of outdoor cycle Displayed on each outdoor unitTemperature sensor characteristics Sensor CharacteristicsW01 SW02 SW03 Display contents Segment display Segment display A, BWired remote controller Up to 2 units Configuration of Control CircuitWeekly timer Indoor UnitKit Connection of wireless remote controllerCompact 4-way Air Discharge Cassette Type Cassette Type Controller WirelessRemote Compact4-way Air Discharge Connection of both remoteType Air DischargeMCC-1402 Compact 4-way CassetteFunction Connector Pin Specifications Remarks Optional Connector Specifications of Indoor P.C. BoardDetachments Part name Procedure RemarksPreparing work Attachment100 101 No. Part name Procedure Remarks102 103 No. Part name ProcedureFan guard 1. Detachment Bell mouth 1. DetachmentFan motor 1. Detachment 104Drain pump 1. Detachment 105106 Details of sensor lead wire drawingArrow view B Details of a part107 Exchanger Recover refrigerant gasHeat Exchange of P.C. Board for Indoor Service 10. P.C. Board Exchange ProceduresExchange procedure 108Remote 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 Ceiling Panel Exploded Views and Parts List113 DescriptionMMU-AP0071MH, AP0091MH, AP0121MH, AP0151MH, AP0181MH Compact 4-way Air Discharge Cassette Type211 114Description Remarks Model Name 1150071MH 0091MH 0121MH 0151MH 0181MH Description Model Name 116Toshiba Carrier Corporation

Toshiba MMU-AP0151MH, MMU-AP0181MH, MMU-AP0091MH, MMU-AP0071MH Remote Check code Auxiliary code

remote

Check code

Auxiliary code