Hansa
Partial Heating Element Failure or Low Voltage Supply
Hansa oven heats but takes a very long time to reach temperature; baking times are much longer than normal.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
One of multiple elements failed (e.g., top or bottom element open), Weak connection causing voltage drop, Incorrect mains wiring (single phase instead of required two/three phase), Failing relay making intermittent contact
How to Fix / Troubleshooting
Safety first: Disconnect power before testing elements or wiring.
- Check preheat time: Use an oven thermometer to see how long it takes to reach 180°C. If it never reaches or takes excessively long, suspect element or supply issues.
- Test all elements: Measure resistance of top, bottom, and grill elements individually. Replace any that are open or significantly higher than typical resistance.
- Inspect wiring and terminal block: Tighten all connections and look for discoloration indicating overheating.
- Verify supply configuration: For models requiring multi-phase connection, ensure the jumpers on the terminal block are configured per the Hansa installation diagram and that the correct phases are present.
When to call a technician: If supply wiring or multi-phase configuration is in doubt, have a licensed electrician or technician inspect the installation.
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Repair Difficulty
Medium
3/5
Required Part
Bottom Heating Element
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