Rational Oven Repair Specialists
Professional Rational combi oven diagnosis and repair for commercial kitchens across London.
Rational combi ovens are widely used in commercial kitchens due to their precision cooking and efficiency. Like any professional equipment, faults can occur within systems such as the steam generator, condensate drain system (CDS), heating elements or cleaning system. Our engineers specialise in diagnosing and repairing Rational oven faults quickly to minimise kitchen downtime.
Our Rational Services
Rational Oven Repair
Same-day breakdown response. Authorised engineers, genuine parts, 12-month warranty.
Rational oven repairRational Oven Service
Manufacturer-recommended annual and contract servicing for the full Rational range.
Rational oven serviceAuthorised Service Partner
Factory-trained engineers, genuine OEM parts, warranty work. What our authorisation means for you.
Our credentialsRational Oven Error Codes
What Rational service codes mean and how faults are diagnosed by authorised engineers.
View error codesCommon Rational Oven Faults
Rational ovens display service codes when internal faults are detected. Below are some of the most commonly reported codes.
The Rational Service 10 error indicates that the self-cleaning (SC) pump is experiencing elevated wa…
Service 10 error code guide →Service 100 indicates either a defective SC (self-cleaning) pump or a calcified level electrode. Bot…
Service 100 error code guide →The Rational Service 11 error indicates that the CDS (Condensate Drain System) sensor is registering…
Service 11 error code guide →Service 18 indicates a fault within the steam generator — the component responsible for producing st…
Service 18 error code guide →Service 20 indicates that one or more thermocouples within the oven has been detected as defective.…
Service 20 error code guide →Service 25 is Rational's alert that the steam generator has reached a scale accumulation threshold r…
Service 25 error code guide →Why Choose Our Rational Engineers
- Experienced commercial kitchen engineers
- Fast diagnosis
- Gas Safe registered
- Rapid response across London
- Specialists in Rational combi ovens