24/7/365 Emergency

Gaggenau Error Codes

Common error codes our technicians see in the field. Find your code, learn what it means, and book a diagnostic if you need one.

Licensed

2014

Serving Since

180-Day Warranty

24/7/365 emergency response

Office hours Mon–Fri 8am–7pm · Sat 9am–4pm · Sun Closed (EDT)

2014

Serving Since

24/7/365

Emergency

Service-call pricing

FREE with repair — every tier goes toward your repair, $0 extra.

Standard
Most appliances + brands
$99
Luxury
High-end (Sub-Zero, Wolf, Miele, BlueStar, Thermador, etc.)
$125
Commercial
Walk-in coolers, commercial laundry, restaurant equipment
$175

Warranty: 180-day parts and labor. Technician quotes the repair on-site before any work.

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Below are 30 common Gaggenau error codes our technicians see in the field, ordered by severity. Find your code, see what it typically means, and call us if you need expert help. transparent service-call pricing (applied to repair).

Critical (12)

— food spoiling, safety, or appliance unusable
CodeWhat it means
F1Heating element fault
Models: 400 series ovens
Fix: Technician will test heating element resistance and replace if faulty.
F11Circulation pump fault (Dishwasher)
Models: Gaggenau Dishwashers
Fix: Technician will test circulation pump motor and impeller, replace if defective.
F15Main power supply issue
Models: 400 series ovens, 200 series ovens, Gaggenau Dishwashers
Fix: Technician will check house power supply, wiring connections, and internal power components.
F18Defrost system fault (Refrigerator)
Models: Gaggenau Refrigerators
Fix: Technician will inspect defrost heater, thermostat, and timer/control board, replace faulty components.
F2Temperature sensor fault
Models: 400 series ovens, 200 series ovens
Fix: Technician will check temperature sensor wiring and replace sensor if defective.
F20Fan motor failure (Refrigerator)
Models: Gaggenau Refrigerators
Fix: Technician will test evaporator and condenser fan motors, replace any non-operational motor.
F21Main control board error (Refrigerator)
Models: Gaggenau Refrigerators
Fix: Technician will diagnose and replace the main electronic control board.
F23Water leak detected
Models: Gaggenau Dishwashers, Gaggenau Refrigerators
Fix: Technician will locate and repair the source of the water leak, checking seals, hoses, and pump.
F24Heating element failure (Dishwasher)
Models: Gaggenau Dishwashers
Fix: Technician will test the heating element and its connections, replace if the element is open or shorted.
F28Gas valve malfunction (Cooktop)
Models: 200 series Vario cooktops, 400 series Vario cooktops
Fix: Technician will test gas valves for proper operation and replace if faulty.
F5Main control board failure
Models: 400 series ovens, 200 series ovens
Fix: Technician will diagnose control board failure and replace the main control unit.
F7Overheating detected
Models: 400 series ovens, 200 series ovens
Fix: Technician will inspect cooling fan operation and check for blocked vents, may require fan replacement.

Important (15)— needs service within days

CodeWhat it means
F10Drainage system fault (Dishwasher)
Models: Gaggenau Dishwashers
Fix: Technician will inspect drain pump, filter, and hoses for blockages or failure.
F12Communication error between control boards
Models: 400 series ovens, 200 series ovens
Fix: Technician will check all control board connections and may need to replace one or both boards.
F13Temperature sensor mismatch
Models: 400 series ovens, 200 series ovens
Fix: Technician will verify temperature sensor readings and replace if calibration is impossible.
F16Touch control panel unresponsive
Models: 400 series ovens, 200 series ovens
Fix: Technician will test touch control panel and its ribbon cable connection, replace panel if faulty.
F17Water intake issue (Refrigerator)
Models: Gaggenau Refrigerators
Fix: Technician will check water filter, water line, and inlet valve for obstructions or failure.
F22Door switch malfunction (Refrigerator)
Models: Gaggenau Refrigerators
Fix: Technician will test door switches and their wiring, replace switches if they are not functioning.
F26Sensor error (Cooktop)
Models: 200 series Vario cooktops, 400 series Vario cooktops
Fix: Technician will test temperature or proximity sensors and replace if defective.
F27Ignition system fault (Cooktop)
Models: 200 series Vario cooktops, 400 series Vario cooktops
Fix: Technician will inspect ignition module, spark electrode, and wiring for faults.
F29Overload protection tripped
Models: 400 series ovens, 200 series ovens, Gaggenau Dishwashers
Fix: Technician will check for short circuits or component failures causing excessive current draw.
F3Control panel communication error
Models: 400 series ovens, 200 series ovens
Fix: Technician will inspect wiring harness and control board for damage, may require control board replacement.
F30Internal communication error
Models: 400 series ovens, 200 series ovens, Gaggenau Refrigerators, Gaggenau Dishwashers
Fix: Technician will inspect internal wiring and connections between modules, may require control board replacement.
F4Door lock malfunction
Models: 400 series ovens
Fix: Technician will inspect and test door lock mechanism and motor, replace if necessary.
F6Fan motor fault
Models: 400 series ovens, 200 series ovens
Fix: Technician will check fan motor connections and test motor windings, replace if failed.
F8Water level sensor fault (Dishwasher)
Models: Gaggenau Dishwashers
Fix: Technician will inspect water level sensor and its connections, replace if faulty.
F9Inlet valve fault (Dishwasher)
Models: Gaggenau Dishwashers
Fix: Technician will test water inlet valve and check water supply pressure, replace valve if needed.

Minor (3)— quality of life issue, can wait

CodeWhat it means
F14Door seal fault
Models: 400 series ovens, 200 series ovens
Fix: Technician will inspect door gasket for damage or wear and replace if necessary.
F19Ice maker fault (Refrigerator)
Models: Gaggenau Refrigerators
Fix: Technician will test ice maker module, water fill, and temperature sensors, replace ice maker if needed.
F25Control panel lock-out
Models: 400 series ovens, 200 series ovens
Fix: Technician will reset the control panel or check for a faulty lock mechanism.

Code matches a symptom? Read the diagnostic guide

Gaggenau codes often correspond to a broader appliance issue. Match your code to a symptom below:

Don't see your Gaggenau code?

Call us — we've seen most Gaggenau codes in the field. transparent service-call pricing (applied to repair).

Error code meanings are based on field observation by our technicians. Some codes may indicate multiple underlying issues — a diagnostic visit confirms the root cause. We are an independent appliance repair service and not affiliated with Gaggenau or its parent manufacturer. Codes shown reflect common scenarios across the Gaggenau product line; specific behavior may vary by model year and configuration.

How our repair process works

Five steps from your first call to the warranty receipt. No surprises.

  1. 1

    Inspection

    Your technician examines the appliance, listens to your description, and notes the model + serial for parts lookup. Visual + audio-based diagnostics first — non-invasive.

  2. 2

    Diagnostics

    Targeted tests on the failing subsystem (compressor, control board, heating element, motor, etc.) to identify the exact root cause. You get a clear explanation, not jargon.

  3. 3

    Fix decision

    Up-front estimate before any work begins: cost, parts, and the realistic likelihood of success vs. recommending replacement on an old or uneconomical unit. You decide.

  4. 4

    Operational test

    After the repair we run the appliance through its normal cycle on-site — never "it should work now, call us if it doesn't." You sign off when it's actually working.

  5. 5

    Warranty + consultation

    Receipt with warranty terms in writing. Plus a quick walkthrough of how to extend the appliance's life (filter cleaning, drain maintenance, etc.) — included free.

What our customers say

Excellent4.8Verified Google Reviews
View all on Google
Patricia Ganster

Patricia Ganster

a month ago
Google

Sean was great. He explained everything, was kind and respectful. He really went out of his way not only to repair my dryer but made sure everything went back in place and ready to go. Thanks Sean you truly are a gentleman. I recommend 5 star excellent servic…

Patti Bennett

Patti Bennett

2 months ago
Google

Excellent professionalism. Johnny on the spot actually answers and does what he says i will refer him to my real estate clients

Patti Maechler

Patti Maechler

3 weeks ago
Google

Excellent professionalism. Johnny on the spot actually answers and does what he says i will refer him to my real estate clients

Travis Allen

Travis Allen

2 months ago
Google

Called Star appliance when our 5 year old Lg refrigerator went out. Had waited two days for lg to send a repair company out and the other company never showed up. I called star and Sean was at our house that afternoon. He dealt with lg, handled the warranty…

Lynn McNeal

Lynn McNeal

3 months ago
Google

Today we replaced my garbage disposal. I think it was the fifth time I called Sean in the past six years. They are competent and price is sensible, but I always call Star because I trust them. Twice in the past they advised me to spend a little more and rep…

JD Emmons

JD Emmons

6 months ago
Google

Wow. Same day service, extremely detailed and clean! Honest, reliable! Even had to come back for an extra issue and took care of that as well! This was for our LG fridge…but there will be more for sure! Our new go-to appliance guy!

Hours of Operation(all times EDT)

Mon8am–7pm EDT
Tue8am–7pm EDT
Wed8am–7pm EDT
Thu8am–7pm EDT
Fri8am–7pm EDT
Sat9am–4pm EDT
SunClosed
24/7/365 Emergency Service — when your appliance is down, we move fast.
Same-Business-Day Response Available — call before noon for priority scheduling in your service area.
Weekend Service Available — we work Saturday for customers who can't wait until Monday.
Emergency dispatch available 24/7/365 (EDT).

Appliance Down? Instant SMS & Email Confirmation.

Star Appliance Repair — licensed, same-day available. We confirm your tech's arrival time.