Error code · Microwave

F7 E3 and the Water Filter in a Whirlpool Microwave Drawer: Check Before Reset

Medium · inspection needed

Code: F7 E3
Appliance: Microwave
Brand: Whirlpool
Warranty: 30-day workmanship

What F7 E3 means

F7 E3 appears on Whirlpool built-in microwaves and microwave drawers, for example model WMC50522AS, and the wording behind it names only the water filter. It is the one F7 code that has no wiring or sensor attached to it in the guidance. You see F7 E3 displayed and the functions that use water may not run. The code points us to the filter and its place in the water path, and it does not say the filter is clogged.

Common causes of F7 E3

Water filter condition
Water filter seated or connected incorrectly
Water supply to the unit restricted

✓ One safe check you can try

1. Turn the microwave's breaker off for one full minute, then back on. 2. Watch the display for sixty seconds. 3. If F7 E3 does not return, run a normal cycle. 4. If you know the filter is overdue for a change, tell us when you call.

! Why to stop there

A reset leaves the filter condition unchanged, so if F7 E3 returns we need to look at the filter and the water path.
We check that the filter is the right one and properly seated before looking at anything else.
You get a written price in advance, and the work is covered by our 30-day workmanship warranty.

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.

→Same appliance

Other Microwave codes

FC E7Whirlpool OTR Microwave Connection Code FC E7: Appliance Not Reaching the Internet FC E8Whirlpool OTR Microwave Registration Code FC E8: Entry Mistake FCE8Whirlpool Over-the-range Microwave Registration, FCE8: Wrong Model Selected Feature Not Available or Fault DetectedWhirlpool Built-in Microwave Message "Feature Not Available": Retry or Cut Power LOCWhirlpool Microwave LOC on the Display: Control Lock Is On PFWhirlpool Over-the-range Microwave Showing PF: Power Failure Indicator Press Cancel to ResetWhirlpool Built-in Microwave Message "Press Cancel to Reset": Error Cleared by Cancel F8 E4Whirlpool Microwave Drawer Error Code F8 E4: Exhaust Air Temperature Sensor

F7 E3F7 E3 questions

Does F7 E3 mean I must replace the filter?

The code points to the water filter, but it does not prove the filter is spent. We check its condition and fit, then tell you whether a new one is needed.

Can I clear F7 E3 myself?

You can try a breaker reset. If the code returns, the filter or the water path still needs attention and we should inspect it. If you know when the filter was last changed, mention it on the call because that helps us plan.

Why is there a filter on a microwave drawer at all?

The code and its guidance refer to a water filter on the unit, so water is part of how the appliance works. We confirm the setup on your model during the visit.

Book a visit

Still seeing F7 E3?

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

(713) 589-6107