19
Troubleshooting
Service Manual EF 347 / EF 348 enVersion 1.0
6 Check for leaks and check flow
rate (see pages 28 and following)
6.1 Leakage at extraction system
YES - Replace TCBU (see page 26)
NO - Go to point 6.2
6.2 Leakage at tubes connection
YES - Replace defective tube and seal
NO - Go to point 6.3
6.3 Flow rate out of range YES - Machine is scaled
YES - Descale machine (see page 40)
NO - Replace pump
7 Descaling process (if needed) 7.1 Machine scaled
YES - Descale machine (see page 40)
NO - Go to point 8
8 Final cleaning
End of check procedure
Check procedure Symptoms Action / repair work Further action / repair work