Service manual

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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?