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Key lock symbol: outline padlock with a rounded shackle; the body holds a keyhole made of a dot above a small trapezium
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Heating & air conditioning

Key lock

Outline padlock with a rounded shackle; the body holds a keyhole made of a dot above a small trapezium. · also called “child lock”, “key lock”, “keypad lock”, “padlock”

What it means on de'longhi

Keypad lock

Prevents accidental button presses. With the radiator on, hold + and − together for at least 3 seconds; the padlock appears and two beeps sound. Repeat the same to unlock.

Source · Manufacturer manual De'Longhi TRRS series oil-filled radiator instructions · checked

Where it appears

Heating & air conditioning

Questions about the Key lock symbol

What does the Key lock symbol mean on the De'Longhi TRRS series digital oil-filled radiator (TRRS)?
Prevents accidental button presses. With the radiator on, hold + and − together for at least 3 seconds; the padlock appears and two beeps sound. Repeat the same to unlock.
What does the Key lock symbol look like?
Outline padlock with a rounded shackle; the body holds a keyhole made of a dot above a small trapezium. It is also called “child lock”, “key lock”, “keypad lock” and “padlock”.
Which products show the Key lock symbol?
It is recorded on De'Longhi TRRS series digital oil-filled radiator (TRRS).

Checked against the source · · How we verify

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