Viking Induction Cooktop Code 9: coil temperature sensor defective

What 9 means

Code 9 on Viking Professional VICU206 and VICU266 induction cooktops, the hybrid VCCU106 and VCCU166, and the VISC530 induction range says a temperature sensor is defective. This can be a mechanical or electrical failure, a cracked sensor, or a sensor whose resistance has faded. The recommended repair is to change the coil, then the power board if the code remains. One zone usually stops heating, with the 9 showing.

Common causes of 9

Cracked or mechanically damaged sensor
Sensor resistance fading or electrical failure
Coil needing replacement
Power board failure if the code persists

✓ One safe check you can try

1. Let the cooktop cool completely and wipe the glass clean. 2. Look for cracks in the glass over the zone that shows 9 without pressing on it. 3. Switch the breaker off for a minute, restore it, and test the zone with a magnetic pan. 4. If 9 returns or the glass is cracked, stop using that zone and call us.

! Why to stop there

The sensor is attached to the coil under the glass top
The coil is replaced first, so a wrong guess means a big part order
We quote in writing and cover the repair for 30 days

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.

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Other Cooktop codes

7Viking Induction Cooktop Code 7: voltage supply missing a leg FOViking Designer Cooktop Code FO: Software Error in the Control 8Viking Induction Cooktop Code 8: unassignable error received FrViking Designer Cooktop Code Fr: A Relay Error Stops All Heat 8 flashes (with brief interval)Viking VCCU Cooktop Code 8 flashes (with brief interval): Inside Ambient Is Too High FtViking Designer Cooktop Code Ft: Sensor Failure With a Small t 9 flashes (with brief interval)Viking Induction Cooktop Code 9 flashes (with brief interval): Cookware Not Compatible FUViking Designer Cooktop Code FU: Another Key Error Stops the Elements

99 questions

Which part is the temperature sensor attached to?

It monitors the induction coil of the zone, and the repair path is to change the coil first. The power board is the next step if the 9 does not clear.

Can I use the other zones?

Often yes, if they behave normally. But a defective sensor means that zone cannot watch its own heat, so we would keep it off until it is repaired.

Does a cracked glass top matter here?

A crack can allow moisture or damage the sensor area, so tell us about it when you call. Cracked glass on an induction cooktop should not be cooked on at all.