Rational iCombi Pro Troubleshooting Manual page 49

CO screws of each gas valve to the displayed length (+/- 0.3mm)
2
A scroll menu appears in which you can scroll down with the control
knob and mark/select the menu item "Setting gas type"
To accept the values, the unit must be switched off and then on again.
Carry out flue gas analysis in the functional test. All target values ​ ​ a re
displayed in the individual steps. Follow the instructions: Flue gas
analysis
Please inform RATIONAL of the change carried out and make sure the
new gas type sticker is placed on the unit to confirm a change has
been made.
Service error: - 2