Daikin EWYT CZ Series Operating Manual page 32

UnitOffDHWAlarm
U016
Circuit 1
C1Cmp1 OffPrRatioLo
C101
C1 OffNoPressChgStart
C102
C1Fan OffVfdCommFail
C103
C1Cmp1 OffVfdCommFail
C104
C1Cmp1 OffEvpPressLo
C105
C1Cmp1 OffCndPressHi
C106
C1Cmp1 OffDischTmpHi
C107
C1Cmp1 OffMtrAmpsHi
C108
C1 OffStartFailEvpPrLo
C109
C1Cmp1 EvapPressSen
C110
C1Cmp1 CondPressSen
C111
C1Cmp1 OffMotorTempHi
C112
C1Cmp1 OffSuctTempSen
C113
C1Cmp1 OffDischTmpSen
C114
C1 Failed Pumpdown
C115
C1Cmp1 OffVfdFault
C116
C1 FanAlm
C117
-
C118
C1Cmp1 OffLowDiscSH
C119
C1Cmp1 OffMechPressHi
C120
Circuit 2
C2Cmp1 OffPrRatioLo
C201
C2 OffNoPressChgStart
C202
C2Fan OffVfdCommFail
C203
C2Cmp1 OffVfdCommFail
C204
C2Cmp1 OffEvpPressLo
C205
C2Cmp1 OffCndPressHi
C206
C2Cmp1 OffDischTmpHi
C207
C2Cmp1 OffMtrAmpsHi
C208
C2 OffStartFailEvpPrLo No evaporating or condensing
C209
C2Cmp1 EvapPressSen
C210
C2Cmp1 CondPressSen
C211
C2Cmp1 OffMotorTempHi
C212
D-EOMHP01405-21_02EN 32/35
Domestic Hot Water Alarms
Pressure ratio under minimum
limit
No pressure delta detected by
UC
Bad fan inverter communication
Bad compressor inverter
communication
Evaporating pressure under
minimum limit
Condensing pressure over
maximum limit
Discharge temperature over
maximum limit
Compressor current over
maximum limit
No evaporating or condensing
pressure detected at start
Pressure sensor not detected
Pressure sensor not detected
Motor temperature over
maximum limit
Temperature sensor not detected
Temperature sensor not detected
Pumpdown procedure exedes
maximum time
Detected compressor inverter
alarm
Detected fan inverter alarm
-
Discharge super heat under
minimum limit
Condensing pressur over
mechanical pressure switch
Pressure ratio under minimum
limit
No pressure delta detected by
UC
Bad fan inverter communication
Bad compressor inverter
communication
Evaporating pressure under
minimum limit
Condensing pressure over
maximum limit
Discharge temperature over
maximum limit
Compressor current over
maximum limit
pressure detected at start
Pressure sensor not detected
Pressure sensor not detected
Motor temperature over
maximum limit
▪
Check pump inverter wiring
connection
▪
Contact your local dealer
▪
Check [19.05] DHW Alarm Code
value
▪
Check Domestic Hot Water 3WV
status
▪
Check 3WV wiring connection
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Check fan inverter wiring
connection
▪
Contact your local dealer
▪
Check compressor inverter wiring
connection
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Check sensors wiring connection
▪
Contact your local dealer
▪
Check sensor wiring connection
▪
Contact your local dealer
▪
Check sensor wiring connection
▪
Contact your local dealer
▪
Check wiring connection
▪
Contact your local dealer
▪
Check sensor wiring connection
▪
Contact your local dealer
▪
Check sensor wiring connection
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
-
▪
Contact your local dealer
▪
Mechanical reset of switch
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Check fan inverter wiring
connection
▪
Contact your local dealer
▪
Check compressor inverter wiring
connection
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Contact your local dealer
▪
Check sensors wiring connection
▪
Contact your local dealer
▪
Check sensor wiring connection
▪
Contact your local dealer
▪
Check sensor wiring connection
▪
Contact your local dealer
▪
Check wiring connection
▪
Contact your local dealer