Daikin Altherma 3 GEO Series Installer's Reference Manual page 224

14 | Troubleshooting
Installer reference guide
224
Error code
H8-00 OU: Malfunction of compressor input (CT)
system
H9-00 OU: Malfunction of outdoor air thermistor
HC-00 Tank temperature sensor problem
HC-01 Second tank temperature sensor problem
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 Brine pump type mismatch
U0-00 OU: Shortage of refrigerant
U1-00 Malfunction by reverse phase/open-phase
Description
EGSAH/X06+10UDA9W
Daikin Altherma 3 GEO
4P598592-1A – 2019.12