Convotherm Combination Ovens & Steam Cooking Equipment Repair | National Appliance Repairs
Convotherm is a leading German manufacturer of combination steamers and ovens (combi ovens) for professional kitchens worldwide. Engineered for precise steam, convection, and combination cooking modes, Convotherm equipment enables chefs to achieve consistent results across diverse menu items. From tabletop and roll-in models to floor-standing units with advanced digital controls and connectivity, Convotherm combi ovens are trusted in restaurants, hotels, hospitals, and central kitchens. When Convotherm equipment fails, menu flexibility and cooking precision are compromised.
National Appliance Repairs brings 15+ years coordinating Convotherm combi oven diagnostics and repairs.
About Convotherm
Convotherm is a German manufacturer specializing in advanced combination oven technology, part of the Rational Group. The company emphasizes precision cooking, energy efficiency, and intuitive digital controls. Convotherm equipment serves professional kitchens requiring flexible cooking capabilities, from fine dining to high-volume institutional operations.
Convotherm Product Categories
What We Repair
Steam Generation & Boiler Systems
- Boiler operation, steam pressure regulation, safety relief valves, descaling assessment.
Heating Elements & Thermostats
- Electric heating elements, gas burners, thermostat calibration, temperature sensors.
Convection Fan Systems
- Fan motors, blade condition, airflow patterns, bearing wear assessment.
Water Supply & Drainage
- Inlet solenoid valves, water level sensors, drain pump operation, line integrity.
Digital Control Systems
- Touch screens, display function, recipe programming, connectivity status.
Door & Seals
- Hinge operation, gasket condition, latch mechanisms, door frame integrity.
Safety Systems
- Pressure relief valves, low-water shutoffs, thermal cutouts, emergency stops.
Common Problems with Convotherm Equipment
Won't generate steam or pressure insufficient
- Boiler malfunction, burner failure, scale buildup, or relief valve issues.
Temperature inconsistent or won't reach setpoint
- Failed heating element, faulty thermostat, or water inlet pressure too low.
Convection fan won't operate
- Motor failure, blade obstruction, or electrical connection issue.
Door won't open or seal failing
- Hinge wear, gasket degradation, or latch failure.
Water leaks from connections or seals
- Failed gasket, cracked line, or loose union fitting.
Digital control unresponsive or display blank
- Power failure, water damage, or controller board malfunction.
Excessive steam escape or poor cooking performance
- Door gasket degradation, steam generation insufficient, or insulation deterioration.
Pressure relief continuously venting
- Scale blockage, spring failure, or improper adjustment.
Water drainage problems
- Clogged drain filter, failed drain pump, or kinked outlet line.
Safety systems won't activate
- Low-water shutoff failure, thermal cutout malfunction, or pressure relief stuck.
Cooking results inconsistent across oven cavity
- Temperature stratification, uneven steam distribution, or fan airflow issue.
Control system locks out or error codes
- Electrical fault detection, sensor malfunction, or safety interlock activation.
How It Works
Our Repair Process
BOOK YOUR APPOINTMENT
Contact us online or by phone at 1300-434-380. Our team will note down your appliance problem, confirm availability, and schedule an appointment that suits you.
ARRIVAL & ASSESSMENT
Your technician inspects the appliance thoroughly. If we have the part in stock, you get an instant quote. If we need to source it, we'll send a detailed written quote after assessment.
APPROVAL
For parts we carry, your technician explains costs and gets your approval on the spot. For parts we source, you receive a full written quote. Approve it, arrange payment, and we order parts and schedule your return visit – with no extra service call fee.
REPAIR
We use genuine or manufacturer-recommended parts and approved repair methods to get your appliance working again. Most repairs are completed on the same day when parts are available. Need a second visit? No additional call-out charge – just the approved parts and labour.
TESTING & HANDOVER
Your technician explains what was fixed, demonstrates how your appliance operates, and answers any questions. You'll receive a detailed invoice showing the work completed and your warranty details.
Why Choose us?
Why Choose National Appliance Repairs for Convotherm Equipment
National Appliance Repairs is Australia's trusted partner for appliance repair services. With over 15 years of industry experience, we've built our reputation on honest pricing, rapid response times, and lasting solutions.

Same-Day Appointments Available (Subject to availability)
No long waits. We schedule repairs for your convenience, often on the same day you call.
Fixed-Price Quotes
We provide clear, upfront pricing before any work begins. Service call rates vary by appliance type and brand, with labour and parts quoted and approved before we proceed.
12-Month Warranty
Every repair backed by our comprehensive warranty – 12 months on part, 3 months on labour.
Urgent Repairs
Appliance breakdown? We offer priority repair appointments, including limited urgent repairs, subject to technician availability and location. Call 1300-434-380 now to check availability and secure your next appointment.
Repair or Replace – We Handle Both
We service major domestic and commercial kitchen and laundry appliance brands and models.
Authorised Service Agents
We service major domestic and commercial kitchen and laundry appliance brands and models.
Fully Qualified Technicians
All our fully qualified, in-house trained technicians carry genuine, high-turnover parts for major brands in their vans.
Australia-Wide Metro Coverage
We service Melbourne, Sydney, Brisbane, Adelaide, and Perth. Not sure if we can reach you? Give us a call to check!
Live Office Support
Our office team is available Monday to Friday, 8:30 AM–7:00 PM, and Saturday, 8:30 AM–4:30 PM, to book repairs, confirm availability, or answer questions.
Honest, On-site Advice
Sometimes repair isn't the best option. We’ll tell you if replacement is smarter.
All Domestic & Commercial Brands
We service major domestic and commercial kitchen and laundry appliance brands and models.
Client Testimonials
Here’s What Our Customers Say
Hundreds of professional chefs and restaurant owners trust National Appliance Repairs with their Convotherm appliances. Here's why.
FAQS
Answers to Your Repair Questions
How long do Convotherm combi ovens typically last?
15--25+ years with proper maintenance and regular descaling. Heavy-use institutional environments may require component replacement every 3--7 years. Proper descaling based on water hardness extends equipment life significantly.
Can Convotherm ovens be repaired or must they be replaced?
Most issues are repairable. Heating elements, thermostats, fans, seals, and electrical controls are replaceable. Boiler corrosion or severe structural damage may justify replacement.
What's the typical cost of a Convotherm repair?
Heating element: $300--600. Thermostat: $200--400. Fan motor: $400--800. Door gasket: $150--300. Control board: $400--700. Estimates provided after diagnosis.
Do you source genuine Convotherm parts?
Yes. Through Convotherm authorized distributors, we access authentic components ensuring compatibility and warranty coverage.
How often should Convotherm ovens be serviced?
Monthly descaling (frequency depends on water hardness). Quarterly safety system testing. Annual professional service including fan, heating, and electrical system verification.
Are repairs warranted?
Yes. 12-month parts warranty, 3-month labor warranty on diagnostic and repair work.