Mitsubishi Electric CITY MULTI PUMY-SP140YKM User Manual

Check code
1302
(UE)
Highpressuretrouble
Abnormal points and detection methods Causes and checkpoints
(1)Highpressureabnormality(63Hoperation)
Abnormalif63Hoperates(*)duringcompressoroperation.(*4.15MPaG
[602PSIG] )
2)Highpressureabnormality(63HSdetected)
1.Abnormalifapressuredetectedby63HSis4.31MPaG[625PSIG]
ormoreduringcompressoroperation.
2.Abnormalifapressuredetectedby63HSis4.14MPaG[600PSIG]
ormorefor3minutesduringcompressoroperation.
63H :Highpressureswitch
63HS:Highpressuresensor
LEV :Linearexpansionvalve
SV1 : Solenoid valve
TH7 : Thermistor <Ambient>
Defectiveoperationofstopvalve(notfullyopen)
Cloggedorbrokenpipe
Malfunction or locked outdoor fan motor
Short-cycle of outdoor unit
Dirtofoutdoorheatexchanger
Remote controller transmitting error caused by noise interference
Contact failure of the outdoor multi controller circuit board connector
Defective outdoor multi controller circuit board
Short-cycle of indoor unit
Decreasedairow,cloggedlter,ordirtonindoorunit.
Malfunction or locked indoor fan motor
Decreasedairowcausedbydefectiveinspection
ofoutdoortemperaturethermistor(Itdetectslower
temperaturethanactualtemperature.)
IndoorLEVperformancefailure
Malfunction of fan driving circuit
SV1performancefailure
DefectiveHighpressuresensor
DefectiveHighpressuresensorinputcircuiton
outdoor multi controller circuit board
●Diagnosisofdefectives
MakesuretoturnthepowerOFFbeforeconnecting/disconnectinganyconnectors,orreplacingboards.
Diagnosis Remedy
Chart 1 of 4
No
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Is5201displayedwhenrestarted?
Istheoutdoorstopvalve(liquid/
gas)fullyopen?
Doestheoutdoorfanrotatewhile
theoperation?
Is the indoor unit short-cycled?
Does the indoor unit fan rotate
whiletheoperation?
Refer to the diagnosis of check code 5201.
Openthestopvalve(liquid/gas)fully.
Check the outdoor fan motor.
Referto"Howtochecktheparts"onthe
outdoor unit service manual.
Solve the short-cycle.
Check the indoor unit fan motor.
Referto"Howtochecktheparts"onthe
indoor unit service manual.
(5201)
(short-cycled)
(no short-cycle)
(1302)
Continuetothenextpage
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OCH668B

Mitsubishi Electric CITY MULTI PUMY-SP140YKM Specifications

General

Brand	Mitsubishi Electric
Model	CITY MULTI PUMY-SP140YKM
Category	Air Conditioner
Language	English