mypros+
Error code reference

Whirlpool Microwave Error Code 888:88

Displayed after power has been interrupted to indicate a power interruption has occurred.

Whirlpool codesWhirlpool microwave codes

Displayed after power has been interrupted to indicate a power interruption has occurred.

First step from the service manual

Press OFF/CANCEL to clear the display and reset the clock.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for 888:88.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 888:88 means on a Whirlpool microwave

The 888:88 display on a Whirlpool microwave is not a fault code in the traditional sense. It is a power interruption indicator, meaning the microwave's internal clock and control board have lost their stored time reference due to a break in the incoming AC power supply. When power is restored after an outage, brownout, or tripped circuit breaker, the control board detects that the clock memory has been cleared and displays 888:88 as a notification that the time of day needs to be re-entered.

The display is generated by the microwave's main control board, which monitors the continuity of its power supply. The control board retains clock data using the live AC input rather than a dedicated backup battery in most Whirlpool consumer microwave models. Any interruption to that power feed, even briefly, will cause the stored clock value to drop and trigger this indicator on the display panel.

This indicator does not signal a component failure, wiring fault, or internal malfunction. It is purely informational. The microwave's cooking functions, magnetron, door interlock system, and all other operating circuits are unaffected. Pressing the OFF/CANCEL button clears the 888:88 display and allows the user to reset the clock. If the display returns repeatedly without any apparent power outages, the issue may lie with an unstable power supply, a loose outlet connection, or a failing power cord rather than the microwave itself.

Source: manufacturer service documentation.

Common causes of 888:88

  1. 01

    Household power outage

    Wiring / connection

    A temporary loss of power to your home will clear the microwave's clock memory and trigger the 888:88 display when power returns. This is the most frequent cause and requires no repair.

  2. 02

    Microwave unplugged or outlet switched off

    Wiring / connection

    Unplugging the unit or cutting power at a switched outlet removes power to the control board, causing the clock to reset. Plugging the unit back in will produce the 888:88 indicator.

  3. 03

    Tripped circuit breaker or blown fuse

    Wiring / connection

    A tripped breaker or blown household fuse on the circuit feeding the microwave cuts power temporarily. Check your electrical panel for a tripped breaker if no outage occurred.

  4. 04

    Loose or faulty outlet connection

    Wiring / connection

    A loose wall outlet connection or a failing outlet can cause intermittent power interruptions that repeatedly reset the clock without an obvious outage. Test the outlet with another device to confirm stable power delivery.

  5. 05

    Damaged or failing power cord

    Part replacement

    A power cord with a damaged plug, frayed insulation, or a loose internal connection can cause brief power drops to the control board. Inspect the cord and plug for visible damage and replace the cord if any defects are found.

See the test procedure for each cause

Frequently asked questions about 888:88

What does 888:88 mean on a Whirlpool microwave?
The 888:88 display indicates that the microwave experienced a power interruption and the clock has been cleared. It is a notification, not a fault code, and does not indicate any internal component failure. Pressing OFF/CANCEL clears the display, after which you can reset the clock to the correct time.
Will pressing OFF/CANCEL fix the 888:88 display on my Whirlpool microwave?
Yes, pressing OFF/CANCEL clears the 888:88 indicator immediately. The microwave will then prompt you to reset the clock. All cooking functions remain fully operational and no further repair steps are needed as long as the display does not return without a power interruption.
Is it safe to use my Whirlpool microwave when it shows 888:88?
Yes, the microwave is safe to use when this display appears. The 888:88 indicator only means the clock was reset due to lost power. The cooking circuits, door interlock system, and all safety components are not affected by this condition.
Why does my Whirlpool microwave keep showing 888:88 repeatedly?
If the 888:88 display returns frequently with no apparent power outages, the microwave may be on an unstable circuit. Check for a loose wall outlet connection, a frequently tripping breaker, or a damaged power cord. Resolving the underlying power supply issue will stop the display from reappearing.
How much does it cost to fix the 888:88 issue on a Whirlpool microwave?
In most cases there is no repair cost at all, since 888:88 simply requires pressing OFF/CANCEL and resetting the clock. If the cause is a faulty outlet, outlet replacement typically costs between $10 and $50 in parts. If a damaged power cord is identified, replacement cords generally range from $15 to $40 depending on the model.

Related Whirlpool microwave codes

All Whirlpool microwave codes
View all 141 Whirlpool microwave codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass