Daikin Altherma EHYKOMB33AA - Page 229

15 | Troubleshooting
Installer reference guide
229
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
Error code Detailed error code Description
F6 00 OU: Abnormal high pressure
in cooling.
Please contact your dealer.
FA 00 OU: Abnormal high pressure,
actuation of HPS.
Please contact your dealer.
JA 00 OU: Malfunction of high
pressure sensor.
Please contact your dealer.
J3 00 OU: Malfunction of discharge
pipe thermistor.
Please contact your dealer.
J6 00 OU: Malfunction of heat
exchanger thermistor.
Please contact your dealer.
L3 00 OU: Electrical box
temperature
rise problem.
Please contact your dealer.
L4 00 OU: Malfunction of inverter
radiating fin temperature
rise.
Please contact your dealer.
L5 00 OU: Inverter instantaneous
overcurrent (DC).
Please contact your dealer.
P4 00 OU: Malfunction of radiating
fin temperature sensor.
Please contact your dealer.
U0 00 OU: Shortage of refrigerant.
Please contact your dealer.
U2 00 OU: Defect of power supply
voltage.
Please contact your dealer.
U7 00 OU: Transmission malfunction
between main CPU- INV CPU.
Please contact your dealer.