Daikin Altherma EVLQ05+08CA Installer's Reference Manual page 213

EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
Error code Detailed error code Description
81 04
89 01
89 02
89 03
8F 00
8H 00
8H 03
A1 00
A1 01
AA 01
AH 00
AJ 03
13 Troubleshooting
|
Leaving water temperature
sensor not properly mounted.
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.
Tank disinfection function
not
completed correctly.
Too long DHW heat-up time
required.
Installer reference guide
213