Daikin ERGA06EAV3H Installer's Reference Manual page 263

ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1 – 2022.01
Error code
HJ-10 Water pressure sensor abnormality
J3-00 OU: Malfunction of discharge pipe thermistor
J3-10 Compressor port thermistor abnormality
J5-00
Malfunction of suction pipe thermistor
J6-00
OU: Malfunction of heat exchanger thermistor
J6-07 OU: Malfunction of heat exchanger thermistor
J8-00 Malfunction of refrigerant liquid thermistor
JA-00 OU: Malfunction of high pressure sensor
JC-00 Low pressure sensor abnormality
JC-01 Evaporator pressure 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
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
U7-00 OU: Transmission malfunction between main CPU-
INV CPU
U8-02 Connection with room thermostat lost
U8-03 No connection with room thermostat
15 Troubleshooting
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Description
Installer reference guide
263