Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual page 240

15 | Troubleshooting
Installer reference guide
240
Error code
HJ-10 Water pressure sensor abnormality
HJ-12 Bypass valve turning error
J3-00 OU: Malfunction of discharge pipe thermistor
J5-00 Malfunction of suction pipe thermistor
J6-00 OU: Malfunction of heat exchanger thermistor
J6-07 OU: Malfunction of heat exchanger thermistor
J6-32 Leaving water temperature thermistor
Abnormality (outdoor unit)
J6-33
Sensor communication error
J7-12 Brine inlet thermistor abnormality
J8-00
Malfunction of refrigerant liquid thermistor
J8-07 Brine outlet thermistor abnormality
JA-00 OU: Malfunction of high pressure sensor
JA-17 Refrigerant pressure sensor abnormality
JC-00 Low pressure sensor abnormality
JC-01 Evaporator pressure sensor (S1NPL) abnormality
L1-00 Malfunction of INV PCB
L3-00 OU: Electrical box temperature rise problem
L4-00 OU: Malfunction of inverter radiating fin
temperature rise
L5-00 OU: Inverter instantaneous overcurrent (DC)
L8-00 Malfunction triggered by a thermal
protection in the inverter PCB
L9-00 Prevention of compressor lock
LC-00 Malfunction in communication system of
outdoor unit
P1-00 Open-phase power supply imbalance
P3-00 Abnormal direct current
P4-00
OU: Malfunction of radiating fin temperature
sensor
PJ-00 Capacity setting mismatch
PJ-09
Capacity setting mismatch
U0-00 OU: Shortage of refrigerant
U1-00 Malfunction by reverse phase/open-phase
U2-00 OU: Defect of power supply voltage
U3-00 Underfloor heating screed dryout function
not completed correctly
U4-00 Indoor/outdoor unit communication problem
U5-00 User interface communication problem
Description
4P675765-1 – 2022.04
EWSAH/X06UD
Daikin Altherma 3 WS