Hob showing error code — repair in Riga
When your hob displays an error code — E, F, H or flashing digits — it is the built-in self-diagnostics system reporting a specific fault. These codes can appear on induction, ceramic and gas hobs from all major manufacturers: Bosch, Siemens, Electrolux, AEG, Whirlpool, Gorenje, Beko and IKEA.
SATER service centre at Silmaču iela 6 in Riga has been repairing hobs and cooktops since 1993 — over 30 years of experience working with household appliances from European and global brands. Our history traces back to workshop No. 2 of the Soviet-era "Elektrons" factory, and over these years we have encountered virtually every possible error code on hobs of all makes and models. The most frequent causes are a faulty NTC temperature sensor, IGBT power module overheat protection activation, pan detection sensor malfunction, unstable mains voltage, and a communication breakdown between heating zones on the control board. Each manufacturer uses its own code system: Bosch and Siemens — E and F series, Electrolux and AEG — codes with the letter E, Whirlpool — F codes, Gorenje — flashing indicator lights. We know the meaning of all common codes and carry out diagnostics with a multimeter and oscilloscope to precisely identify the faulty component. We always agree on the repair cost before starting work. If the repair is not economically worthwhile, we say so honestly and return the appliance with no obligation. All completed work carries a 3-month warranty. 186 Google reviews with a 4.3-star average are our best recommendation. Bring your hob to Silmaču iela 6 — we will decode any error code.
Likely causes
- Temperature sensor (NTC) failure — The NTC temperature sensor measures the zone temperature and reports data to the control board. If the sensor has failed or its resistance has drifted from the nominal value, the board receives incorrect readings and displays an error code — typically E3, E4 or F2 depending on the brand. Replacing the NTC sensor resolves the issue in a single visit.
- IGBT overheat protection triggered — The IGBT power module drives the induction coil, and when the temperature exceeds safe limits it activates a protective shutdown with an error code. The cause may be blocked ventilation beneath the panel, dust accumulation on the heatsink, or a failed cooling fan. Cleaning and restoring ventilation often resolves the issue without component replacement.
- Pan detection sensor malfunction — Induction hobs detect the presence of cookware on the heating zone using a dedicated sensor. If the sensor is faulty, the hob may refuse to activate the zone or display an error even with compatible cookware placed on it. Diagnosing the sensor and checking the coil determines the specific cause and whether replacement is needed.
- Power supply voltage out of range — Hobs are sensitive to voltage spikes and drops. If the mains voltage falls outside the acceptable range (typically 210–240 V), the control board logs an error and locks operation to protect the electronics. The problem may lie in the household wiring, a weak circuit breaker, or an unstable supply in the building.
- Control board communication error between zones — In modern hobs, heating zones exchange data via a bus on the control board. If contacts have oxidised, a ribbon cable is damaged, or a microcontroller in one zone has failed, a communication error code appears. We diagnose each zone individually, check ribbon cables, and repair or replace the board as needed.
What you can check yourself
- Note the exact error code on the display — letters, digits, and which indicators are flashing — this is the key information for the technician
- Turn off the hob for 5 minutes, then restart — some errors are one-off glitches that clear after a power cycle
- Check whether all zones show the error or just one — if only one zone is affected, the problem is localised to that zone rather than the main board
- Make sure the hob is connected directly to a wall socket, not through an extension cord — induction hobs require stable power without intermediate connections
- Check whether your cookware is induction-compatible — hold a magnet to the base: if it does not stick, the pan is not compatible with an induction hob
When to bring it in
If after restarting and checking the error code reappears, bring the hob to the SATER service centre at Silmaču iela 6. Do not delay especially if the hob is completely locked out, if the error appears immediately upon power-on, or if you notice a burning smell. We will decode the error, carry out diagnostics, and agree on the repair cost before starting work. 3-month warranty on all repairs. Call +371 67377002.
Fast on-site diagnostics. Warranty: 3 months.
Affected brands
Frequently asked questions
Why customers choose SATER
- Built-in and freestanding appliances. We repair both — including built-in ovens, hobs and dishwashers.
- Ovens, cookers, microwaves, coffee machines — all under one roof. One service centre for all your kitchen and household appliances.
- Original and compatible spare parts. We use OEM parts or proven alternatives — depending on the task and budget.
- 30+ years of experience. The service centre has been operating since 1993.
- We serve all of Latvia. Our service centre is in Riga and we accept devices from anywhere in the country.