Daikin Altherma EHYHBH05A Series - Page 224

15 | Troubleshooting
Installer reference guide
224
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
Error code Detailed error code Description
7H 05 Water flow problem during heating/
sampling.
Manual reset.
Check the space heating/cooling circuit.
7H 06 Water flow problem during cooling/
defrost.
Manual reset.
Check the plate heat exchanger.
80 00 Returning water temperature
sensor problem.
Please contact your dealer.
81 05 Loosehanging tank
temperature sensor
81 00 Leaving water temperature
sensor problem.
Please contact your dealer.
81 04 Leaving water temperature
sensor not properly mounted.
89 01 Heat exchanger frozen.
89 02 Heat exchanger frozen.
89 03 Heat exchanger frozen.
8F 00 Abnormal increase outlet
water temperature (DHW).
8H 00 Abnormal increase outlet
water temperature.
8H 03 Overheating water circuit
(thermostat).