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Error code reference

Sharp Microwave Error Code CC1

Magnetron 1 (top) exchange time information-usage has reached limit level of 1250 hours.

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What the CC1 error code actually means

Your Sharp microwave is displaying a maintenance reminder letting you know that the top microwave-generating component has been running for 1,250 hours and needs to be replaced. Think of it like an oil change light on a car: the unit is still running, but it is telling you that a key internal part has reached its expected service life. A repair technician will need to swap out that internal component to clear the alert and keep the microwave working reliably.

Diagnostic procedure

The full CC1 procedure

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1
First diagnostic step
Replace magnetron 1.
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Most common causes of CC1

Ranked by how often they cause this code
  1. 1Magnetron 1 reached 1,250-hour runtime threshold
  2. 2Heavy commercial or high-frequency use
  3. 3Previous magnetron runtime counter not reset after prior service

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Questions people ask about CC1

What does CC1 mean on a Sharp microwave?
CC1 is a scheduled maintenance alert indicating that Magnetron 1, the top magnetron in the unit, has reached 1,250 hours of cumulative run time. This is a built-in service life counter, not a sudden failure code. Sharp's control system triggers this alert to prompt proactive replacement of the magnetron before performance declines. The required corrective action is to replace Magnetron 1.
Is it safe to keep using my Sharp microwave when CC1 is displayed?
Continuing to operate the unit once CC1 appears is not recommended. The alert exists because the magnetron has reached its designed service life limit, and operating beyond that threshold risks degraded heating performance and potential stress on surrounding components. Servicing the unit promptly is the safest course of action.
Will resetting the microwave clear the CC1 error code?
A simple power reset will not permanently clear the CC1 code because the alert is tied to the magnetron's accumulated run time stored in the control board. The code will return unless the magnetron is replaced and the run time counter is properly reset during the service procedure. Clearing the code without performing the actual repair does not address the underlying service need.
Can I fix the CC1 error myself?
Magnetron replacement is a high-voltage repair that carries serious safety risks if attempted without proper training and equipment. Capacitors inside a microwave can retain a lethal charge even after the unit is unplugged. This repair should be performed by a qualified appliance technician who can safely discharge the high-voltage capacitor and handle the magnetron exchange correctly.
How much does it cost to fix a CC1 error on a Sharp microwave?
Repair costs will vary depending on the specific Sharp model, the price of the replacement magnetron, and local labor rates. Parts alone for a commercial-grade magnetron can range from roughly $50 to $250 or more, and technician labor for this type of high-voltage repair typically adds $75 to $200 on top of parts costs. Getting a quote from a Sharp-authorized service provider is advisable before proceeding.

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