Error code · Range

GE Range Message “Optimizing Cook Time”: Voltage Check at Cycle Start

Low risk · DIY check OK

Code: Optimizing Cook Time
Appliance: Range
Brand: GE
Warranty: 30-day workmanship

What Optimizing Cook Time means

On GE ranges and Advantium-type speedcook controls that adjust for supply voltage, the message Optimizing Cook Time appears in the first few seconds of every cycle. While it is shown, the oven is reading the household voltage and adjusting cook time to match, so food finishes correctly even when line voltage runs a little high or low. It is a normal start-up step, not an error, and it clears by itself once the adjustment is finished and cooking continues.

Common causes of Optimizing Cook Time

Normal voltage check at the start of a cooking cycle
Supply voltage variation that the control is compensating for

✓ One safe check you can try

1. No action is needed; let the message clear on its own. 2. Do not press pads repeatedly during the first seconds of the cycle, since the oven is busy checking voltage. 3. Let the cycle carry on once the message goes away. 4. If cooking times seem consistently wrong, note the date and the recipe so we can compare.

! Why to stop there

If food keeps cooking unevenly after the message, we check the oven's heating and the incoming voltage at the range.
We rule out a loose power connection before looking at the control.

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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Optimizing Cook TimeOptimizing Cook Time questions

Is Optimizing Cook Time an error?

No. It appears briefly at the start of each cycle while the oven checks supply voltage and adjusts cook time. It is part of normal operation and goes away without any action from you.

Why does my oven show it every time?

The check runs at the start of every cycle on controls that adjust for voltage, so seeing it each time is expected. It does not mean the oven has found a problem.

Will this change how long my food takes?

The oven adjusts cook time to match your supply voltage, so results stay consistent. If food is repeatedly under or overcooked, that points to something else and is worth a visit.

Book a visit

Still unsure about Optimizing Cook Time?

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

(713) 547-5545