Dyson AB 09 - Page 4

03
Symptom
Solution (in order)Likely fault See section
4 (page 21)
1 (page 05)
2 (page 12)
2 (page 12)
4 (page 21)
2 (page 12)
4 (page 21)
No water, reduced
water flow. Air
working.
1. Ensure mains water
supply to the product
is switched on.
2. Faulty/blocked
Aerator.
3. Faulty Solenoid.
4. Solenoid to PCB
loom assy failure.
5. Comms to PCB
loom assy failure.
6. PCB assy (Tap)
failure.
7. Power supply assy
failure.
8. Water pipe service
assy failure.
• Check Aerator for blockages. Replace
if necessary.
• Check Solenoid functions. Replace if
necessary.
•Check Solenoid to PCB loom assy for
fitting/function. Replace if necessary.
•Check Comms to PCB loom assy for
fitting/function. Replace if necessary.
•Check PCB assy (Tap) for alignment
function. Replace if necessary.
•Check Power supply assy for function.
Replace if necessary.
•Check Water pipe service assy for
blockages. Replace if necessary.
Water on all the
time.
1. Faulty Solenoid.
2. Solenoid to PCB
loom assy failure.
3. PCB assy (Tap)
failure.
4. Lens housing assy
failure.
•Check Solenoid functions. Replace if
necessary.
•Check Solenoid to PCB loom assy for
fitting/function. Replace if necessary.
•Check PCB assy (Tap) for alignment
function. Replace if necessary.
•Check Lens housing assy is clean.
Replace if necessary.
Air on all the time.
No power
(No water/No air).
1. PCB assy (Tap)
failure.
2. Lens housing assy
failure.
1. Fault with mains
power supply to
product.
2. Power supply assy
failure.
•Check PCB assy (Tap) for alignment
function. Replace if necessary.
•Check Lens housing assy is clean.
Replace if necessary.
•Ensure mains power supply to product
is switched on.
•Test to ensure mains power supply to
connector block is present.
•Replace Power supply assy.
1 (page 05)
2 (page 12)
4 (page 21)
4 (page 21)
4 (page 21)
4 (page 21)
2 (page 12)
The following table summarises a number of potential failures, and recommended solutions to resolve
them.