Error code reference

Whirlpool Microwave Error Code F7E4

Conductivity sensor not connected.

SourceWhirlpool Microwave - Tech Sheet: Service & Diagnosticsp. 8

Diagnostic procedure

The full F7E4 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Enter Diagnostic mode (OFF, OFF, START) on lower oven display, press ERROR CODE to verify, then unplug oven and check P9 connector on user interface and conductivity sensor connector for firm insertion.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F7E4 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

4 manuals in the MyPros+ library document this code for Whirlpool microwave.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

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