Siemens Voltage Drop / Loose Connection

Oven interior light flickers or dims when heating elements switch on

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

Loose neutral or live at terminal block, Undersized supply cable, Internal connector partially burnt

Safety: Only a qualified person should work on mains wiring. Isolate power first.

Inspect mains terminal: Tighten all screws on the oven's terminal block and check for signs of overheating.
Check internal connectors: Inspect plug connections between the terminal block and control board for discoloration or looseness.
Verify cable size: Ensure the supply cable meets Siemens and local electrical code requirements for current rating.

Hard 4/5

Mains Terminal Block / Internal Wiring

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