Skip to main content
Error code reference
Whirlpool Oven Error Code F4E9
Inverter and magnetron over temperature.
SourceWhirlpool Smart Wall Ovens - Full Service Manual (WOC/WOD/WOS Series)p. 2-14
Diagnostic procedure
The full F4E9 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
Cycle power, place load in microwave, start cooking function, wait 1 minute. Check cooling fan connection and installation for air blockage. Verify cooling fan is running. If fan stalled, replace fan. If fan runs, replace Magnetron and inverter board.
SourceWhirlpool Smart Wall Ovens - Full Service Manual (WOC/WOD/WOS Series)p. 2-14
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F4E9 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
2 manuals in the MyPros+ library document this code for Whirlpool oven.
Models covered by the manuals that document this code
- KOCE500EBL09
- KOCE500EBS09
- KOCE500ESS09
- KOCE500ESS22
- KOCE500EWH09
- KOCE507EBL09
- KOCE507EBS01
- KOCE507EBS02
- KOCE507EBS06
- KOCE507ESS09
- KOCE507EWH09
- MOEC6030LZ00
- MOED6030LZ00
- MOED6030LZ01
- W11491758A
- WOC54EC0H
- WOC54EC0HB00
- WOC54EC0HB01
- WOC54EC0HS00
- WOC54EC0HS01
- WOC54EC0HS02
- WOC54EC0HS03
- WOC54EC0HS04
- WOC54EC0HW00
More models are covered than are listed here.
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