Rational iCombi Pro Troubleshooting Manual page 26

Error tree:
Care pump does not pump enough care solution into the steam generator
Service error: 41
Unit type: iCombi Pro / iCombi Classic
At the start of the cleaning process, humidification valve Y3 is automatically tested (CDS sensor), the first time it appears: Descale the nozzle, Service 41 if
Activate steaming in the functional test
In the functional test, check the 230V
voltage on the steaming solenoid
Solenoid valve open
Solenoid valve
Change 50.01.050
Service error: 41
Is the water connection ok?
Yes
The moistening nozzle is calcified
No
Yes
No
valve.
Yes
Yes
No
Yes
Reset faults by successfully running the rinsing programme.
Reset errors with Start: Functional test CleanJet in Service Mode
Display Service 41
it occurs a second time
No
Remove nozzle (15mm) and descale, mechanically clean lime residues
from pipe section, activate steam injection valve to rinse lime
Yes
Install moistening nozzle conversion kit 87.00.651 (MI 1509.
Reset faults by successfully running the rinsing programme
Check voltage output at X21
No
Check voltage supply using auxiliary
contact K1
Check CDS sensor
1
Check water filter, pressure and hoses
residues,
Yes
Yes Check fuses on the circuit board
Yes
Logic error check plug and cable or
replace circuit board
V03 · 05/2021 · RTS/Bret · en-GB