Daikin INTERGAS Altherma NHY2KOMB28AA Installer's Reference Manual page 91

Error code Detailed error
code
F3 00
F6 00
FA 00
JA 00
J3 00
J6 00
J6 07
L3 00
L4 00
L5 00
P4 00
U0 00
U2 00
U7 00
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05
Description
OU: Malfunction of
discharge
pipe temperature.
Please contact your dealer.
OU: Abnormal high pressure
in cooling.
Please contact your dealer.
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.
Hydro part
Error code Detailed error
code
80 00
81 00
89 01
89 02
89 03
8F 00
8H 00
8H 03
A1 00
A1 00
AA 01
AC 00
AH 00
AJ 03
C4 00
15 Troubleshooting
Description
Returning water
temperature
sensor problem.
Please contact your dealer.
Leaving water temperature
sensor problem.
Please contact your dealer.
Heat exchanger frozen.
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.
Installer reference guide
91