Daikin Altherma EHFH03S18D 3V Series Installer's Reference Manual page 194

14 | Troubleshooting
Installer reference guide
194
INFORMATION
Error AJ-03 is reset automatically from the moment there is a normal tank heat-up.
INFORMATION
The user interface will display how to reset an error code.
ERLA03D + EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09