Viking Dishwasher Code E:09: display board communication problem

What E:09 means

On current Viking VDWU and FDWU dishwashers in the 324, 524 and 724 series, including the WS versions, E:09 is a display board communication error. The display board carries the program indicator that shows you where the cycle is. If the main board loses contact with it, the E:09 icon appears, and the lights and controls may respond slowly or not at all.

Common causes of E:09

Link between the display board and main board interrupted
Display board connection loose or damaged
Display board needing replacement

✓ One safe check you can try

1. Switch the dishwasher off at its breaker for two minutes, then back on. 2. Dry the control area with a soft cloth if it is damp; moisture on the panel can disturb the controls. 3. Press Start and check that the program indicator responds. 4. If E:09 returns, call us.

! Why to stop there

The display board is behind the door panel and is not reached without disassembly
Moisture damage must be ruled out before we replace parts
We tell you the price in writing first, and our repair has a 30-day warranty

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 Dishwasher codes

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E:09E:09 questions

What is the display board?

It is the board behind the control panel that shows the program lights. E:09 means the main board is no longer communicating with it. Without that link the indicator cannot show you the cycle status.

Can steam damage it?

Steam from opening the door right after a hot cycle can reach the panel over time and cause trouble. We check for moisture on the board when we inspect it.

Can I run the machine with E:09?

If it starts, it may run, but the lights and controls may be unreliable. We suggest a repair before the problem takes the whole panel down, with the price quoted in writing first.