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Error code · Microwave

JennAir Built-In Microwave Message “Locked, Lock or Loc”: Control Lock On

On JennAir built-in microwaves and microwave drawers, including combination wall oven microwave cavities like the JMC2430LL, the words Locked, Lock, or Loc mean the Control Lock is on. The control lock shuts down the panel so…

Low risk · DIY check OK
Code
Locked, Lock or Loc
Appliance
Microwave
Brand
JennAir
Warranty
30-day workmanship

What Locked, Lock or Loc means

On JennAir built-in microwaves and microwave drawers, including combination wall oven microwave cavities like the JMC2430LL, the words Locked, Lock, or Loc mean the Control Lock is on. The control lock shuts down the panel so nothing runs by accident. When any pad is pressed, the display shows the message and invalid-entry tones sound. It is a setting, not a malfunction.

Common causes of Locked, Lock or Loc

  • Control Lock turned on deliberately or accidentally
  • A pad was held long enough to activate the lock
  • Child-safety setting used and then forgotten
✓ One safe check you can try

1. Unlock the oven control as your unit's control instructions describe, usually by holding a pad for a few seconds. 2. Unlock the oven door too, if that function is active on your unit. 3. Press Cancel and set your cycle again. 4. If the message will not clear, call us.

! Why to stop there
  • A genuine lock can usually be cleared at home.
  • Persistent messages may point to a stuck pad.
  • We can walk you through it by phone.
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
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Other Microwave codes

Locked, Lock or LocLocked, Lock or Loc questions
Is Lock a repair issue?

Almost never. The Control Lock is a feature that disables the panel on purpose. It is cleared with a short hold on a pad, not with tools.

Why do I hear tones when I press buttons?

While the control is locked, every pad press is treated as invalid entry, so the unit beeps and shows Locked, Lock, or Loc. Unlocking removes the message.

What if nothing unlocks it?

Try a breaker reset. If the message stays or comes back by itself, the keypad may be failing and we will quote the repair in writing.

Book a visit

Still unsure about Locked, Lock or Loc?

A technician diagnoses it on site and gives you the price in writing before any work starts.

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