Rational iCombi Classic

2
Service error: -
Electric and gas systems are in operation,
Steam generation OK, but hot air
does not work.
Check the
value of the
blink code
Checking the error history
55-56-57
Check ignition box
The motor is possibly faulty.
Test
Motor in FT
Testing the firing order
* Gas blower motor
* Ignition (tripping current)
* Gas valve
* Possible damage of the ignition box
* Possible damage of the gas blower motor
* Possible damage of the ignition electrode
* Possible damage of the gas valve with hot air
Check gas setting
* Gas type
* CO2 screws
Start the flue gas analysis
Gas unit is running, but steam and hot air are not working.
Perform the flue gas analysis