Error Code
medium
Rational iCombi Pro – Error 121: No Water Detected – Fill Water Prompt
On your iCombi Pro unit, error code 121 indicates the system has detected operation without sufficient water, prompting a refill. This typically means the…
Rational Error Codes
Select Rational Model Series
Code List – 176 error codes found
Error Code
high
Rational iCombi Pro – Error 75: Internal Bus Interface (I2C) Fault
On your iCombi Pro unit, error code 75 indicates a critical fault within the internal bus interface (I2C) communication system. This typically points to…
Error Code
high
Rational iCombi Pro – Error 72: ESTB for Heating Limiter or Steam – Flash Code on eSTB Error
On your iCombi Pro unit, error code 72 signifies a critical fault with the Electronic Safety Temperature Limiter (eSTB) for either the heating limiter…
Error Code
high
Rational iCombi Pro – Error 73.x: Service – Overtemperature Fault (Motors, Ignition Box, & Control Boards)
On your iCombi Pro unit, error code 73.x indicates an overtemperature condition detected in critical components such as the ventilation motors, ignition box, or…
Error Code
high
Rational iCombi Pro – Error 71.x: Power Supply Error
On your iCombi Pro unit, error code 71.x indicates a critical power supply issue, specifically related to incorrect voltage or undervoltage conditions. This often…
Error Code
high
Rational iCombi Pro – Error 70.x: Cooling Fan Error
On your iCombi Pro unit, error code 70.x indicates an issue with the cooling fan, which is vital for preventing internal component overheating. This…
Error Code
high
Rational iCombi Pro – Error 63: Check water connection to the unit
On your iCombi Pro unit, error code 63 signifies an issue with the water connection to the appliance, preventing proper operation. This typically points…
Error Code
high
Rational iCombi Pro – Error 60: Ignition Box Initialization Failure or Fan Burner Speed Signal Error
On your iCombi Pro unit, Error Code 60 indicates a failure in the ignition box initialization or an issue with the speed signal from…
Error Code
high
Rational iCombi Pro – Error 57: Fan Motor Middle, Hot Air Heating
On your iCombi Pro unit, error code 57 indicates a problem with the middle fan motor responsible for hot air heating. This issue severely…
Error Code
high
Rational iCombi Pro – Error 55: Hot Air Heating Circulation Fan Motor Fault
On your iCombi Pro unit, error code 55 indicates a fault with the hot air heating circulation fan motor. This critical motor is responsible…
Error Code
high
Rational iCombi Pro – Error 56: Fan Motor Below, Hot Air Heating
On your RATIONAL iCombi Pro unit, error code 56 signals a malfunction with the lower hot air fan motor, crucial for proper heat circulation.…
Error Code
medium
Rational iCombi Pro – Error 52: LED Cooking Cabinet Lighting Error
On your iCombi Pro unit, error code 52 indicates a malfunction in the cooking cabinet's LED lighting, specifically on the left (-1 LED) or…