Daikin Altherma 3 HF
7 fault codes documented
Blinking red LED — Malfunction occurred
The status indicator light is blinking red. This means a malfunction has occurred within the system. You can get more details on the user interface.
Error message on screen — Malfunction detected
An 'Error' message appears on the home screen. This indicates a malfunction has been detected by the system. You can find more information by accessing the help text.
Gurgling noises after commissioning — Air in system
The system is making gurgling sounds after it was first set up. This typically indicates that there is air trapped within the system that needs to be removed.
Heat pump failure — Backup heater may take over
The heat pump has failed to operate. The backup heater can take over the heating and hot water load automatically or manually, depending on the 'auto emergency' setting.
Malfunction message on screen — System issue
A 'Malfunction' message is shown on the home screen. This indicates there is an issue with the system's operation. Check the user interface for specific details.
Feeling too cold (or hot) — Temperature setting issue
The room is not at the desired temperature. This could be due to incorrect settings or the system not being able to reach the set temperature.
Water at the tap is too cold — Hot water supply issue
The hot water is not as hot as expected. This can happen if the hot water tank has been depleted due to high usage, or if the tank temperature is set too low.