Service manual

7. FAULT DIAGNOSIS ROYAL
Page 10/12 REV.5 SEPT.2004 Saeco International Group
2.4. De-aerate
De-aerate
Can pump activity
be detected at a
specific time?
No
Is the pump
energised?
Check polarity /
Replace pump
END
Is water tank
empty?
Fill water tank
END
Tank valve faulty
(foreign objects)?
Remove foreign objects
END
Is water filter
calcified / dirty?
Replace electronic
system END
Descale / Replace
END
No
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Check valve plugs
Calcified / Damaged
Check brewing unit END
Is pump thermal
fuse OK?
Yes
No
Flow meter calcified/
Other dirt
Replace
END
Yes
Instantaneous water heater
calcified / Piping calcified -
Descale / Replace
No
Flow meter pulses for
hot water supply OK?