Dyson AB09, Service Manual, Page: 5 / 37

04
Symptom
Solution (in order) Likely fault See section
4 (page 21)
2 (page 10)
1 (page 05)
No air/reduced
airflow. Water
working.
Machine switching
on intermittently -
water and air.
or
Cutting out in use.
1. Fault with Air
hose assy.
2. Fault with Motor
bucket assy.
1. PCB assy (Tap)
failure.
2. Lens housing assy
failure.
3. Comms loom
assy failure.
4. Power supply assy
failure.
•Check PCB assy (Tap) for alignment
function. Replace if necessary.
•Check Lens housing assy is clean.
Replace if necessary.
•Ensure Comms loom assy
is adequately attached both ends.
•Test Comms loom assy for resistance
and replace if necessary.
•Check Power supply assy for function.
Replace if necessary.
•Ensure Air hose assy is adequately
sealed onto threaded Tap stem.
•Check Air hose assy for splits and
replace if necessary.
•Replace Motor and Bucket Service assy.
4 (page 21)
4 (page 21)
2 (page 12)&
4 (page 21)
2 (page 12)
2 (page 12)