Alde Flow
Official technical documentation and workshop diagnostics for Flow.
Technical Specifications
Operating Voltage12V DC
Power Consumption0.3A
Gas Or PressureMax pump pressure domestic water: 0.22 MPa (2.2 bar) / Max radiator water pressure: 0.05 MPa (0.5 bar)
Fuse Ratings3.15A
Dimensions CutoutWidth 225 mm, Length 320 mm, Height 180 mm
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
N/A | No central heating after a period of time Possible Cause: Incorrect non-return valve orientation | Check that the direction of the non-return valves is correct. | DIY Safe |
N/A | No continuous hot water Possible Cause: Hot Water Boost automatically deactivates after 30 minutes | Activate Hot Water Boost again. | DIY Safe |
N/A | No continuous hot water Possible Cause: 'Aux Hot Water Tank' is not selected in installed accessories | Check that 'Aux Hot Water Tank' is ticked in Installed Accessories Menu. | DIY Safe |
N/A | No continuous hot water Possible Cause: Air trapped in the system | Bleed the system of air. | DIY Safe |
N/A | No continuous hot water Possible Cause: Circulation pump not connected properly to options dongle | Check that the 12 V circulation pump is connected to the options dongle correctly. | DIY Safe |
N/A | No continuous hot water Possible Cause: Gas and electric heating not both selected or functioning | Check that both gas and electric heating are selected and functioning. | DIY Safe |
N/A | No continuous hot water Possible Cause: Circulation pump lacks power or is malfunctioning | Check that the 12 V circulation pump has 12 V power and is functioning. | DIY Safe |
N/A | 'Aux Hot Water Tank' does not appear in Installed Accessories Menu Possible Cause: Options dongle is not properly connected to the boiler | Check that the options dongle is connected to the Compact HE boiler. | DIY Safe |
N/A | 'Aux Hot Water Tank' does not appear in Installed Accessories Menu Possible Cause: Power supply needs a reset to clear saved behaviours after connection | Reset the 12 V power supply to the boiler after connecting the options dongle to clear saved behaviours. | DIY Safe |
N/A | Noise from 12 V circulation pump Possible Cause: Air trapped in the system | Bleed the system of air. | DIY Safe |
N/A | There comes no water despite the fact that the tap is open Possible Cause: Vehicle fresh water pump is turned off or not working | Check that the vehicle's fresh water pump is on. | DIY Safe |
N/A | There comes no water despite the fact that the tap is open Possible Cause: Ice plugs present in the water tank or pipes | Check that there are no ice plugs in water tank or pipes. | DIY Safe |
N/A | There comes no water despite the fact that the tap is open Possible Cause: Draining valves or FrostControl are open | Check that all draining valves / FrostControl are closed. | DIY Safe |
N/A | No warm water from the outlet when the tap is opened Possible Cause: Water pump malfunctioning or lack of water supply in tank | Check that the vehicle's water pump is functioning and there is a supply of water. | DIY Safe |
N/A | The 'Aux Hot Water Tank' symbol flashes Possible Cause: Water is currently in the process of being heated | Wait for the heating cycle to finish. The symbol changes to being permanently lit when the temperature reaches 60°C. | DIY Safe |