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Fault Code LED Display Fault Possible Causes
U1 #---# Fill fault. The motor has
not primed after a given
time.
• The water supply is not turned on.
• The machine is siphoning.
• The sprayarm is not in place.
• Excessive foaming.
• The fill valve has failed closed.
• The machine is set to 'HP' on a
low pressure water supply.
U2 #--#- Tub open fault.
• The drawer has been forced open
during a wash cycle.
• The drawer microswitch has
failed.
• The exhaust valve has failed open
circuit.
U3 #--## Time to fill was too
short, indicating water
was still in the tub.
• Drain pump is blocked.
• Drain hose is blocked.
• Sprayarm or rotor not turning
freely.
• Motor electronics have failed.
• Machine set to 'LP' on a high
pressure water supply.
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