Common Asko microwave problems
Asko has never built a standalone microwave — no countertop model and no over-the-range unit exists in any market the company sells into, only built-in combination ovens under the OCM prefix that pair microwave energy with convection heat in a single cavity. Asko microwave repair on these units most often involves a magnetron that no longer heats food despite the display running a normal cycle, a turntable motor that has stalled, uneven results in combi mode where one side of a dish browns while the other stays pale, a door interlock switch that prevents the unit from starting even with the door fully closed, or a display that has gone dark or begun flickering. Sparking inside the cavity, a grill element that will not engage during a combi cycle, and a touchscreen that no longer registers input round out the complaints we see most on the OCM line. A steam-cavity odor or residue on units that combine microwave with steam functions is occasionally mistaken for a heating problem, when it more often traces back to a reservoir or seal that has not been cleaned on the manufacturer’s recommended schedule. Because a combi oven blends microwave, convection, and sometimes grill functions in one cavity, a problem that looks like “the microwave is broken” can just as easily be a convection heating-element or fan issue that only shows up once microwave-only mode is ruled out, which is why we test each cooking mode separately rather than treating the appliance as a single system.

Our Asko microwave repair process
As an independent, third-party repair service with no affiliation to Asko, Gorenje, or Hisense, we start every asko microwave repair by confirming the exact OCM model from its data plate, since combi-microwave ovens share very few parts across design generations even when the front panel looks similar. A magnetron suspected of failing is tested against the high-voltage diode and capacitor before it is condemned outright, a stalled turntable is checked at its drive motor and coupler, and door interlock problems are traced through all three microswitches most combi ovens use rather than assumed to be a single failed part. Because a combi unit’s cavity is built into cabinetry rather than sitting free on a countertop, removal and reinstallation take longer than on a standalone microwave, and we account for that access time before quoting a repair rather than surprising the customer at the end of the visit. We fit OEM or trusted-supplier parts, and every repair carries a 30-day labor warranty on our workmanship, with pricing depending on the diagnosis.
Asko microwave models we service
Every Asko microwave we service is a built-in combi unit: the OCM64BSH.AU and OCM64GSH.AU from the Craft Series 6 design line, the compact OCM24BGH.AU from the Essence Series 2 line, and the OCM8478GG from the Elements line, sold across Asko’s Australian and UK ranges rather than listed on us.asko.com today. These units reach US kitchens through import, relocation, or a remodel specified from Asko’s international catalog, and we treat that origin plainly rather than implying a current US retail listing that does not exist. Because the OCM range spans several design generations from Craft through Essence to Elements, an OCM unit’s control board and magnetron assembly are rarely interchangeable across generations even when two models share a similar cavity size, which is why the exact model number matters more here than on a simpler appliance. Our model directory lists the magnetrons, turntable motors, and control boards we keep on hand for the OCM line.
Common symptoms and what they mean
Every Asko oven and combi-microwave manual we have checked — OCS8456S, OCM84331BG, OT8636S, and OCM8487S among them — displays only a generic, undecoded error code on screen and instructs the owner to power-cycle the unit and call a technician if the problem returns; Asko does not publish what any individual error number means. We diagnose from the symptom instead: no heat with a running cycle points to the magnetron or its high-voltage circuit; a turntable that will not turn is almost always the drive motor or a worn coupler; sparking inside the cavity is frequently caused by metal trim on cookware or a damaged waveguide cover and should stop the unit being used until inspected; and a door that will not let the cycle start is checked at each interlock switch before the door latch assembly itself is replaced. A flickering or dead display is generally a low-voltage power-supply problem rather than the display module itself, so that supply is the first thing tested once the fuse and cord are ruled out. A cooling fan that has failed on a combi model can allow heat to build in the electronics compartment and trigger repeated shutdowns mid-cycle, a pattern that is easy to mistake for an intermittent control-board failure until the fan itself is checked directly.
Service areas
We schedule asko microwave repair across our full coverage area. Full specifications for Asko’s current combi-microwave lineup are published at global.asko.com. Check our service locations for coverage in your area, browse our repair guides for troubleshooting help, or schedule a visit directly.