What Hob Zone Stays Cold means on your Asko range (asko hob zone not heating)
This is a symptom, not an Asko code — the freestanding cooker’s glass-ceramic hob sits above the same control electronics as the oven cavity, and Asko’s manuals list no diagnostic sequence for a single dead zone, only a general troubleshooting narrative. A hob with one cold zone while the others heat normally usually isolates the problem to that zone’s own switch, coil, or fuse rather than to the shared control board, which is useful information before anyone opens the unit up. Because these Scandinavian-market cookers are serviced here as imports, cross-checking the layout against the actual model helps confirm which zone is genuinely responsible versus a control panel that is simply being read incorrectly.
Symptoms
The list below helps you separate this problem on your Asko range from other problems that can look almost identical. Your range might show just one of these signs or several at once, creeping in over several cycles or appearing suddenly after a power cut, a heavy load, a spill, or recent installation work.
- One specific burner position never heats regardless of the setting dial
- Cookware on that zone stays room temperature after several minutes
- The zone’s indicator light, if fitted, does not illuminate
- Other zones on the same hob heat and respond normally
- Switching pans between zones confirms the problem follows the position, not the pan
Common causes
The symptoms on your Asko range can trace back to more than one root cause, which is why the list runs from most probable to least. Taking them in turn helps you see whether your range needs nothing more than a simple check or a proper repair with genuine Asko parts.
- Failed heating coil in that zone — the radiant or induction element beneath the glass has opened internally
- Bad zone selector switch — the physical or touch control for that position is not sending a signal
- Blown zone-specific fuse — some hob boards fuse each zone separately
- Loose connector at the zone harness — vibration or heat cycling has worked a plug loose under the hob
Troubleshooting steps you can try
Try these checks on your Asko range in the order given before you call for service, since the early ones often settle the matter. Stop the moment you are unsure, or where mains voltage, gas, a hot cavity, water, or a sealed component is involved on the range, and leave the rest to a qualified technician.
- Confirm the correct dial or touch zone is being used for the burner position tested.
- Move a known-working pan to the dead zone to rule out cookware compatibility.
- Check that no residue or spill is covering a touch control sensor for that zone.
- Try the zone at a different power level to confirm it is fully dead rather than just weak.
Parts a technician may replace
On your Asko range, the diagnosis usually points a technician at the radiant or induction coil, zone selector switch, hob control board, and zone fuse to inspect, test, or replace. The right part is identified from the range’s model, serial, and Art. No., and confirming the failed component before ordering keeps the range repair to what the problem actually needs.
When to call a technician
A hob zone that stays cold after control and pan checks needs an experienced technician to test that zone’s coil resistance, its selector switch, and any zone-specific fuse on the Asko cooker. At Medium severity this is nothing urgent for your Asko range, though Hob Zone Stays Cold returning on the range despite the checks above is worth having a technician diagnose before parts are ordered. We repair your Asko range as an independent provider, not an arm of the manufacturer, using experienced technicians and genuine OEM or trusted-supplier parts, with a 30-day warranty on the labor we put into the range. The Art. No., alongside the model and serial on your Asko range, is what lets us order the right part for your range before we arrive and put Hob Zone Stays Cold right without unnecessary return trips.
Related help and Asko resources
If Hob Zone Stays Cold has not cleared on your Asko range, you can book Asko range repair, browse our range error-code guides, put our step-by-step repair guides to use, schedule service for service, or locate help on our locations page. The manufacturer’s specifications and model lookup for your Asko range sit at global.asko.com.
