Saeco Cappuccino, Service Manual

Page: 103 / 143

ROYAL 7. FAULT DIAGNOSIS
Saeco International Group REV.5 SEPT.2004 Page1/12
1. Fault diagnosis
(Royal Classic)
1.1 Machine does not function
Machine does not
function
Is there current upstream
from the mains filter?
Test mains fuse and machine
cable -
END
Does current flow to the
fuse inside the machine?
Replace - END
Is there current downstream
from the mains filter?
Replace - END
Does the current flow
to the main switch?
Replace - END
Replace - END
KTY defective? Replace - END
Electronic system
defective?
Replace - END
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Does current flow to the
door switch when the front
door is closed?