Rational iCombi Pro Troubleshooting Manual page 39

Error tree:
Temperature increase is not detected
Service error: 44
Unit type: iCombi Pro / iCombi Classic
When the steam generator is heating up at the start of a cleaning process, no temperature increase is detected by the cooking chamber sensor B1.
Measure the steam heater current consumption in the functional test
Check the steam nozzle in the cooking chamber for blockage
Service error: 44
E/2, energy optimisation, steam heater faulty
Yes
Is the current consumption ok?
Yes
Yes
Reset faults by successfully running an express cleaning
Reset errors with Start: Functional test CleanJet in Service Mode
Display Service 44
Steam heater/SSR on
No
1
Check the function
V03 · 5/2021 · RTS/Bret · en-GB