F20
Viking · VGR5486GSS 48 in 27,000 BTU Pro Style Gas Range with 6 Burners and Infrared Broiler
The oven fan motor has drawn excessive current due to mechanical blockage or motor failure. The control board detects this and disables the fan to protect the circuit, causing reduced airflow and uneven heating.
Error F20 on the Viking VGR5486GSS 48 in 27,000 BTU Pro Style Gas Range with 6 Burners and Infrared Broiler means: Oven Fan Overcurrent Protection Triggered. The top-ranked community fix is “Replace Fan Motor” (medium difficulty, ~45 min, DIY cost: $60-$90). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · oven
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many oven repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $160-$260.
Oven Temperature Sensor Fault
Oven Fan Motor Failure
Electronic Spark Ignition Module Failure
Oven Temperature Sensor Wiring Fault
Oven Thermal Fuse Blown
Gas Valve Solenoid Coil Burned Out
Oven Display Control Dead
Oven Relay Stuck
The Viking VGR5486GSS 48 in 27,000 BTU Pro Style Gas Range with 6 Burners and Infrared Broiler has 8 other known error codes:
Error code F20 also appears on 3 other Viking models:
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