Error Code
high
Rational iCombi Pro – Error 29: Board Temperature Too High
On your iCombi Pro unit, error code 29 indicates the main control board's temperature is exceeding operational limits. This is typically caused by restricted…
Rational Error Codes
Select Rational Model Series
Code List – 176 error codes found
Error Code
medium
Rational iCombi Classic – Error 25: Fan Motor Performance Issue During Water Jet Operation
On your iCombi Classic unit, error code 25 indicates that the fan motor is not running or not achieving sufficient performance when water is…
Error Code
high
Rational iCombi Classic – Error 24: SSR Hot Air Fault
On your iCombi Classic unit, error code 24, "SSR hot air," indicates a fault with the Solid State Relay responsible for controlling the hot…
Error Code
high
Rational iCombi Pro – Error 23: SSR Steam Generator Fault
On your iCombi Pro unit, error code 23 indicates a fault with the Solid State Relay (SSR) responsible for controlling the steam generator. This…
Error Code
high
Rational iCombi Classic – Error 20.x: Thermocouple Break (Multiple Sensors)
On your iCombi Classic unit, error code 20.x indicates a critical thermocouple break in a vital sensor like the cooking cabinet (B1), steam generator…
Error Code
high
Rational iCombi Classic – Error 17: Control System Firmware Recovery Required
On your iCombi Classic unit, error code 17 signifies a critical issue with the main control board's software or external EEPROM. This fault typically…
Error Code
medium
Rational iCombi Classic – Error 12: CDS Sensor Faulty
On your iCombi Classic unit, error code 12, indicating a "CDS sensor faulty" issue, typically points to a problem with the cooking chamber's climate…
Error Code
high
Rational iCombi Classic – Error 14: Level Electrode, Water Conductivity Issue
On your iCombi Classic unit, error code 14 indicates a problem with the level electrode or issues with water conductivity in the steam generator.…
Error Code
high
Rational iCombi Classic – Error 11: Level electrode, CDS sensor flow rate, I/O board
On your iCombi Classic unit, error code 11 indicates a critical issue involving the level electrode, the CDS sensor for flow rate, or the…
Error Code
high
Rational iCombi Classic – Error 2: Check Sicotronic System
On your iCombi Classic unit, error code 2, "Check Sicotronic", indicates a critical issue with the main electronic control system. This typically points to…
Error Code
medium
Rational iCombi Classic – Heating Time Is Too Long
On your iCombi Classic unit, an extended heating time often indicates an issue with the water supply, boiler filling, or proper drain setup. The…
Error Code
high
Rational iCombi Classic – Error 200: Steam Heating System Malfunction
On your iCombi Classic unit, error code 200 indicates a malfunction in the steam heating system. This typically points to issues with electrical supply…