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Error code · Refrigerator

Whirlpool Undercounter Refrigerator Code HI or LO: Reset the Power and Verify

HI or LO is a message shown on Whirlpool undercounter refrigerators and beverage centers. The brand's guidance for it is only a power reset: switch the unit off for one minute, switch it on, and watch…

Medium · inspection needed
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Code
HI or LO
Appliance
Refrigerator
Brand
Whirlpool
Warranty
30-day workmanship

What HI or LO means

HI or LO is a message shown on Whirlpool undercounter refrigerators and beverage centers. The brand's guidance for it is only a power reset: switch the unit off for one minute, switch it on, and watch whether the message returns, then confirm the unit is cooling normally. That guidance names no sensor, fan or other part, and it does not give a temperature figure. So the owner's role is to rule out a one-time glitch and see how the unit is actually behaving, while we handle what the message points to if it comes back.

Common causes of HI or LO

  • Control reading that the display reports as high or low
  • Temperature sensor circuit reporting an odd value
  • Door left ajar or recently stocked with warm drinks
  • Power interruption that left the control unsettled
✓ One safe check you can try

1. Shut the door fully and give the unit a moment to settle. 2. Turn off the breaker, or unplug the unit, for one full minute. 3. Restore the power. 4. Watch the display for another minute to see if HI or LO appears again. 5. Check by hand and with a thermometer that the unit is cooling as it should.

! Why to stop there
  • The reset shows whether HI or LO was momentary, and it does not tell us which circuit raised it
  • If the message returns, we compare the display against a thermometer reading and test the sensor circuit
  • The price is written before work, and older undercounter units get an honest opinion on repair value
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 Refrigerator codes

Sabbath ModeWhirlpool Bottom-Freezer Refrigerator Code Sabbath Mode: Not an Error, Just a Setting TempAlarmWhirlpool Refrigerator Code TempAlarm: When the Light Keeps Flashing After the Alarm Stops F8 E2Whirlpool French-Door Refrigerator Code F8 E2: Flashing F, Older Model FB EEWhirlpool Bottom-Freezer Refrigerator Code FB EE: Service Only If the Reset Fails F8 E3Whirlpool French-Door Refrigerator Code F8 E3: Flashing F Reset Check FCodesWhirlpool Refrigerator Code FCodes: Any Flashing F on the Display F8 E8Whirlpool French-Door Refrigerator Code F8 E8: Power Reset and Service FD E1Whirlpool Bottom-Freezer Refrigerator Code FD E1: Reset, Cool, Watch
HI or LOHI or LO questions
What do HI and LO mean on a beverage center?

The guidance for this display only describes the power reset and does not translate the letters into a cause. Comparing the display to a thermometer in the cabinet is the quickest way to see whether the unit is really off its temperature.

Can warm drinks trigger the message?

A fresh load of warm bottles can pull the temperature up for a while, and a door left open can do the same. Close the door, let the unit recover, and see whether the message clears on its own.

Do you repair undercounter units?

Yes. We test first, give you the price in writing, and stand behind our repair with a 30-day workmanship warranty. If a small unit is past the point of sensible repair, we say so.

Book a visit

Still seeing HI or LO?

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

(713) 589-6107