Microwave shows U59 and may stop or refuse to start a steam or combination cycle.

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.

Possible Causes

Limescale buildup in steam generator, Blocked steam outlet, Faulty steam temperature sensor

Safety: Steam components can be very hot. Allow the unit to cool before maintenance.

Steps:

Run descaling program: If your model has a descaling or cleaning cycle, follow the manual using the recommended descaling agent.
Clean water tank and filters: Rinse the water tank and any removable filters thoroughly.
Check steam outlets: Wipe the interior steam outlets to remove food residue.

If U59 persists after descaling: The steam generator or its sensor may be faulty and should be checked by a technician.

Medium 3/5

Steam Generator Assembly

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