Daikin Altherma EJHA04AAV3 Installer's Reference Manual page 91

Error code Detailed error
code
FA 00
JA 00
J3 00
J6 00
J6 07
L3 00
L4 00
L5 00
P4 00
U0 00
U2 00
U7 00
Hydro part
Error code Detailed error
code
80 00
81 00
89 01
EJHA04AAV3 + EHY2KOMB28+32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
Description
OU: Abnormal high pressure,
actuation of HPS.
Please contact your dealer.
OU: Malfunction of high
pressure sensor.
Please contact your dealer.
OU: Malfunction of discharge
pipe thermistor.
Please contact your dealer.
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
OU: Electrical box temperature
rise problem.
Please contact your dealer.
OU: Malfunction of inverter
radiating fin temperature rise.
Please contact your dealer.
OU: Inverter instantaneous
overcurrent (DC).
Please contact your dealer.
OU: Malfunction of radiating
fin temperature sensor.
Please contact your dealer.
OU: Shortage of refrigerant.
Please contact your dealer.
OU: Defect of power supply
voltage.
Please contact your dealer.
OU: Transmission malfunction
between main CPU- INV CPU.
Please contact your dealer.
Description
Returning water temperature
sensor problem.
Please contact your dealer.
Leaving water temperature
sensor problem.
Please contact your dealer.
Heat exchanger frozen.
Error code Detailed error
code
89 02
89 03
8F 00
8H 00
8H 03
A1 00
A1 00
AA 01
AC 00
AH 00
AJ 03
C4 00
CJ 02
EC 00
EC 04
H1 00
15 Troubleshooting
Description
Heat exchanger frozen.
Heat exchanger frozen.
Abnormal increase outlet
water temperature (DHW).
Abnormal increase outlet
water temperature.
Overheating water circuit
(thermostat).
Zero cross detection problem.
Power reset required.
Please contact your dealer.
EEPROM reading error.
Backup heater overheated.
Power reset required.
Please contact your dealer.
Booster heater overheated.
Please contact your dealer.
Tank disinfection function not
completed correctly.
Too long DHW heat-up time
required.
Heat exchanger temperature
sensor problem.
Please contact your dealer.
Room temperature sensor
problem.
Please contact your dealer.
Abnormal increase tank
temperature.
Tank preheating
External temperature
sensor problem.
Please contact your dealer.
Installer reference guide
91