Thermador Stove Repair in Toronto — Induction element not working / fault code

• Demo mode is the single most common 'induction element not working' false alarm on Thermador Freedom/Masterpiece cooktops (CIT-series) - the display, clock and touch controls all light up and respond, but NO zone ever heats because the unit was left in showroom/Demo mode. Thermador officially flags this as the 'dE' indicator, and there is no failed part. The documented fix is to kill the breaker for at least 30 seconds, restore power, and touch any control within 3 minutes to exit Demo (some Freedom models also use a press-and-hold Power exit). We always confirm the unit isn't in Demo before quoting electronics - a no-part close-out that is consistent with the brand module's ExtraLow/no-charge honesty on the gas side.
• Cookware (pan-detection) failure mimics a dead element more than any real fault on these magnetic-grid Freedom tops: the zone flashes the pan-detect symbol and never powers up because the pot isn't ferromagnetic, the base is warped/embossed, or it's below the minimum sensed diameter. A fridge magnet that sticks to the base confirms induction-suitability. The Freedom sensor-grid lets you place a pan anywhere, which also makes it sensitive to moisture/fogging under the glass after boil-overs - we dry and re-test the grid before condemning anything.
• A failed inductor (burner) temperature sensor - the NTC under the glass that protects the coil - is a genuine Thermador/BSH failure mode that reads as 'element not working': when it opens or drifts, the control pulls that zone offline even though the coil is fine. Note that the high-numbered 'F36/F37' code some lists attach to this is a Whirlpool/KitchenAid scheme, not Thermador's, so we don't diagnose by that code - we meter the inductor-sensor circuit against the BSH resistance curve by model/serial before condemning parts. This is platform-distinct from the gas star-burner igniter faults the module lists for Thermador's Pro ranges.
• When a UI-to-power-board communication loss kills a Thermador induction top, the user-interface board can no longer talk to the power control board (the board that drives the induction coils), and/or the power board's onboard fuse has blown - often because the power board itself short-circuited. There is no genuine Thermador 'F47' code for this (F47 is a Whirlpool/KitchenAid code), so we diagnose by symptom: confirm the harness between UI and power board is seated and check the fuse state before ordering the power/PC board, BSH 10-digit 00-prefix part 00741728 (cross-refs AP5631382 / PS8736887, Bosch/Thermador-shared) on CIT36-class Freedom tops.
• A low/incorrect supply-voltage fault can take a 240V induction load dead - common when it's lost a leg or has a weak/loose feed connection, so the whole top (or a half) goes dead rather than one zone. Thermador surfaces supply-voltage problems as E9000/E9010 or U400 ('supply voltage is incorrect / outside the normal operating range'), NOT the 'F61' some lists cite (F61 is a Whirlpool/KitchenAid code). Because it can be wiring rather than the board, we verify both 120V legs, the neutral and the ground at the terminal block before pricing the 00741728-class power board - a board is the last honest suspect, not the first.
• On CIT36XKB-class Freedom tops a 'System Failure' message is the plain-language version of a communication fault between the control board and the induction coils/power module - the entire surface stops heating. On these units it is documented as a 'Ci9 ADB' adaptation-board (left controller) fault, and it traces to the same power/PC board, adaptation board and inter-board harness, so we diagnose those together rather than swapping the user interface first.
• Thermal-protection shutdown reads as 'the element keeps quitting': the CIT-series thermal protection cuts power (and PowerBoost auto-cancels) when the chassis or electronics overheat - Thermador documents this as the F1/F2/F6 overheat family, almost always caused by a failed cooling fan, a blocked air intake, or inadequate ventilation clearance under the cooktop, not a dead coil. The fan can keep running after shut-off while the electronics cool. We check fan operation and intake clearance before touching the power board, because resetting heat over a real cooling fault risks the very board (00741728) the call would otherwise replace.

Thermador induction element not working / fault code in Toronto — the local specifics

• The recurring Toronto pattern on Thermador induction 'element not working' calls is that a meaningful share are not failed coils at all - Demo mode (dE) left on after a move or install, non-magnetic/warped cookware, or thermal shutdown from a choked intake in a tight condo install. The genuine hardware failures we do see cluster on the BSH power/PC board, the adaptation board and inductor temperature sensors (a UI-to-power-board communication loss, a supply-voltage fault surfacing as E9000/U400, or a CIT36XKB 'System Failure'/Ci9 ADB message), not the glass or the coils themselves.
• We bring a magnet for cookware verification, a meter for the inductor-sensor and 240V-leg checks, and run the breaker-cycle Demo-exit on site - so no-part fixes close same-day. For confirmed board/sensor faults we identify the exact BSH 00-prefix part by model/serial on the first visit (e.g. the 00741728 / AP5631382 / PS8736887 power board on CIT36 Freedom tops) and order it through the Toronto BSH/Bosch channel, quoting lead time up front.

For the full Thermador stove module — every fault, part number and code — see Thermador stove repair in Toronto, and for the same fault across all brands the stove induction element not working / fault code guide.