Mitsubishi Electronics PUHY-YMC How to cope with test run abnormality, Abnormality

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12.3. How to cope with test run abnormality

WT02979X01.pdf

1 A 4-digit check code is displayed on remote controller display panel if unit is stopped due to an abnormality. Check to see causes of that

abnormality.

1. Indoor unit

Check code	Abnormality	Check code	Abnormality
2500	Water leakage abnormality	6603	Transmission error (Transmission route BUSY)
2502	Drain pump error	6606	Transmission and reception error
2503	Drain sensor error, Float switch on		(Communication trouble with transmission processor)
5101	Air inlet sensor error	6607	Transmission and reception error (No ACK error)
5102	Piping sensor error	6608	Transmission and reception error (No responsive frame
5103	Piping sensor error in the gas side		error)
6600	Duplicated unit address setting	7101	Capacity code error
6602	Transmission error	7111	Remote controller sensor error
	(Transmission processor hardware error)

2.Outdoor unit

a. Variable capacity unit


Check code	Abnormality	Check code	Abnormality		ENGLISH
0403	Serial transmission malfunction	5105	Piping temperature sensor error (TH5)		ENGLISH
0403	Serial transmission malfunction	5105	Piping temperature sensor error (TH5)
1102	Discharge temperature abnormality	5106	Outdoor temperature sensor error (TH6)
1111	Low pressure saturated temperature abnormality	5107	Subcool coil liquid outlet temperature sensor error (TH7)
	(Detected by saturated temperature sensor)
1112	Low pressure saturated temperature abnormality	5108	Subcool coil bypass outlet temperature sensor error
	(Detected by liquid level detecting temperature sensor)		(TH8)
	(Detected by liquid level detecting temperature sensor)		(TH8)
1113	Low pressure saturated temperature abnormality	5109	Sub cool coil bypass inlet temperature sensor error (TH9)
	(Detected by liquid level detecting temperature sensor)	5110	Inverter cooling plate temperature sensor error (THHS)
1301	Low pressure abnormality	5112	Gas pipe sensor error (TH10a)
1302	High pressure abnormality	5113	Gas pipe sensor error (TH10b)
1500	Excessive refrigerant replenishment	5201	High-pressure sensor (HPS) error
1501	Lacked refrigerant abnormality	5301	IDC sensor circuit error
1505	Low pressure abnormality	6600	Duplicated unit address setting
4103	Reverse phase	6602	Transmission error (Transmission processor hardware
4108	Overload protection (Comp overcurrent)		error)
4115	Power supply simultaneous signal abnormality	6603	Transmission error (Transmission route BUSY)
4116	Fan speed abnormality (motor abnormality)	6606	Transmission and reception error
4200	VDC detection circuit error		(Communication trouble with transmission processor)
4210	Overcurrent interruption	6607	Transmission and reception error (No ACK error)
4220	Inverter bus line voltage low	6608	Transmission and reception error (No responsive frame
4230	Overheat protection of radiator panel		error)
4240	Overcurrent protection	7100	Total capacity error
4260	Cooling fan abnormality	7101	Capacity code error
5101	Discharge temperature sensor error (TH1)	7102	Connecting unit number error
5102	Low pressure saturated temperature error (TH2)	7105	Address set error
5103	Liquid surface detecting temperature sensor error (TH3)	7109	Incorrect connection
5104	Liquid surface detecting temperature sensor error (TH4)	7130	Incorrect setup
b. Constand capacity unit

Check code	Abnormality	Check code	Abnormality
1102	Discharge temperature abnormality	5106	Outdoor temperature sensor error (TH6)
1112	Low pressure saturated temperature abnormality	5107	Subcool coil liquid outlet temperature sensor error (TH7)
	(Detected by liquid level detecting temperature sensor)	5108	Subcool coil bypass outlet temperature sensor error
1113	Low pressure saturated temperature abnormality		(TH8)
	(Detected by liquid level detecting temperature sensor)	5109	Sub cool coil bypass inlet temperature sensor error (TH9)
1302	High pressure abnormality	5112	Gas pipe sensor error (TH10a)
1500	Excessive refrigerant replenishment	5113	Gas pipe sensor error (TH10b)
1505	Low pressure abnormality	6600	Duplicated unit address setting
1559	Faulty oil balance circuit	6602	Transmission error (Transmission processor hardware
4103	Reverse phase error		error)
4106	Power failure error	6603	Transmission error (Transmission route BUSY)
4108	Overload protection (Comp overcurrent)	6606	Transmission and reception error
4115	Power supply simultaneous signal abnormality		(Communication trouble with transmission processor)
5101	Discharge temperature sensor error (TH1)	6607	Transmission and reception error (No ACK error)
5103	Liquid surface detecting temperature sensor error (TH3)	6608	Transmission and reception error (No responsive frame
5104	Liquid surface detecting temperature sensor error (TH4)		error)
5105	Piping temperature sensor error (TH5)

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Contents PUHY-YMC Contents Before getting installed Safety precautionsBefore installation and electric work Before starting the test run Before getting installed moved electrical workConfirmation of parts attached Combination with indoor unitsVariable capacity unit Constant capacity unit Outdoor unit configurationSelection of installation site Model Name Connecting pipe Elbow ShapeSpace required around unit Individual installationWhen inlet air enters from right and left sides of unit When there is an obstruction above the unitBe very careful to carry product Lifting method and weight of productCollective installation and continu- ous installation Location of anchor bolt Installation of unitInstallation Example of collective installationNoise level Connecting direction for refrigerant pipingDown piping and down wiring precautions 60/61 dB A-weightedPUHN-200/250YMC Snow and seasonal windCountermeasure to seasonal wind PUHY-400/500YMCNever perform a pump down. This will damage the compressor Refrigerant piping installationAreas of caution + α Refrigerant piping systemMultiple line/header For variable capacity unit Precautions concerning piping connection and valve operationFigure shows valve fully open Gas side Liquid side Oil balance side60 to 50 to 57.5 / 500 to75 to 750 to 100 to 1000 to Tightening angle standard Pipe diameter mmOil balance pipe connection method Part could be damaged if not cooled sufficiently Distributor gas connection methodGram below How to install branch pipeJoint Restrictions on the posture for attaching jointsEvacuation Airtight test and evacuationAirtight test Thermal insulation of refrigerant piping No heat insulation must be provided for electric wiresInner wall concealed Floor fireproofing PenetrationsElectrical work Constant capacity unit Control box and connecting posi- tion of wiringVariable capacity unit Transmission booster optional For details, see item 11.3. Wiring transmission cablesPlate HoleName, code and possible unit connections Wiring transmission cablesConnecting a transmission booster Wiring examplesWithin Address Unit Remote control operation Same as above Wiring method, address settingRemote control RC terminal block TB6 One remote control unit for each indoor unitFor details, see wire connection example C Main remote controller Wiring LineSame group to the remote control RC terminal block TB6 Unit Range Setting methodExtended length and the length to the most remote unit Capability Number of connected indoor units that can be WiringBooster RP Wiring of main power supply and equipment capacity Test run method Operation procedureTest run Checking before getting test runAbnormality How to cope with test run abnormalityFlag 8 always lights 6603 Transmission error Transmission route Busy ErrorPower on Display at LED lighting blinking Remarks Flag Relay outputCoping with remote controller abnormality Following phenomena do not represent abnormality emergency NMK Nkok NknkNkqk NKPK#$%&*+#$%&*+#,%&- ./0123145&6789#$%&=?@. !# Sknk #$% +,-.Ü SkokUknk TK=Ukok Ukpk Ukqk Vkok Nmknk = NMK=$%&*+,-./01 NMKOK=#$%&*+QMã NMKPK=L Ãã ! k·ãLâÖJÅã NMKQK=#$%&#*#%+, -. !*# NMKRK= NMKSK= #$%& *+& 012345678 .#$%&*+,-./0 1$%#234 NNKNK= NNK=NNKOK= Rsrv NNKPK=#$% +,-./012 NRO #$% +,-./0/12`kQN =EqRF= !# $%&*+ Vwt NNKQK=NOKOK= NOKNK=NOKPK= EptNF EibaF NOKQK= `ççäáåÖ EÉ~íáåÖ NokrkNMK Nknk Nkqk #$%&!*+ Sknk Skok TK= Ukok Ukpk Ukqk Vkok NMK= NMKOK= #$%&*+QMã NMKPK=L NMKQK= #$%&#*#%+, -. !*# NMKRK= NMKSK= #$%& *+& 012345678 .#$%&*+,-./0 1$%#234 NNK= NNKOK= NNKPK= #$% +,-./012 NRO #$#%&* +,-./0123456 =EqRF= !# $%&*+ NNKQK= NOK= NOKPK= EptNF EibaF NOKQK= Nokrk WT02922X02