Nespresso Essenza EF 347 Service Manual page 19

Troubleshooting
Check procedure
6.1 Leakage at extraction system
6 Check for leaks and check flow
6.2 Leakage at tubes connection
rate (see pages 28 and following)
6.3 Flow rate out of range
7 Descaling process (if needed) 7.1 Machine scaled
8 Final cleaning
Service Manual EF 347 / EF 348
Symptoms
YES - Replace TCBU (see page 26)
NO - Go to point 6.2
YES - Replace defective tube and seal
NO - Go to point 6.3
YES - Machine is scaled
YES - Descale machine (see page 40)
NO - Go to point 8
End of check procedure
1 9
Action / repair work
YES - Descale machine (see page 40)
NO - Replace pump
Further action / repair work
Version 1.0 en