Viking Oven COMM Error Code
COMM on a Viking oven is a control diagnostic worth photographing before any reset. Start with the safe checks below, then confirm the wording in your model manual.
Content status: Reviewed — wording follows cited Viking service literature; confirm decode on your exact model.
Independent-service wording for Viking diagnostic displays; exact text varies by generation.
Viking oven code COMM — safe owner checks first, then independent diagnosis if it returns.
Model compatibility: Viking reuses codes across series and model years, so COMM may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
What this code means
COMM on a Viking oven or range usually tracks inter-board communication failed. Cool the cavity fully, try one breaker reset, and do not force a hot door if a latch message is involved. Do not bypass interlocks or open sealed systems while confirming this code.
Symptoms you may notice
- COMM displayed on the control
- Appliance may stop heating, lock out, or refuse to start
Possible causes
- Sensor, switch, or actuator fault (confirm in manual)
- Wiring or connector issue
- Control board detected an out-of-range condition
Safe checks you can make
These are simple, non-hazardous checks only. If anything is unclear, stop and contact a technician.
- Record model and serial numbers from the rating plate
- One breaker power cycle for two minutes if your manual allows
- Do not bypass safety interlocks or force doors
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
What not to attempt
- Do not open internal panels or access high-voltage components
- Do not bypass door locks, safety switches or interlocks
- Do not adjust, disconnect or repair any gas connection or valve
When to call a technician
When COMM keeps returning, stop DIY inside panels and schedule Simply Iconic — bring photos of the display and rating label.
Likely related component
Control communication bus
Frequently asked questions
COMM on a Viking oven or range usually tracks inter-board communication failed. Cool the cavity fully, try one breaker reset, and do not force a hot door if a latch message is involved. Do not bypass interlocks or open sealed systems while confirming this code.
Try the safe list once. Persistent COMM on a Viking appliance is a booking signal for Simply Iconic.
No — Viking control generations differ. Match COMM to your exact documentation.
Sources & references
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