Viking Built-In Dishwasher Code Dry Heater Error (5-3): drying heater problem

What Dry Heater Error means

On Viking Professional VDB450 built-in dishwashers, flash pattern 5-3 is Dry Heater Error, and it applies to the 450 only. The Pots/Pans light flashes five times and the Normal Wash light flashes three times. The control found a problem with the heater used for the drying phase, so the dishes may come out wet or damp even though the wash itself finished.

Common causes of Dry Heater Error

Drying heater not heating
Open or loose heater connection
Control not switching the heater on

✓ One safe check you can try

1. Hold START for four seconds to clear the lights and run a normal cycle. 2. When the cycle ends, leave the door closed for a while, then open it and see whether the dishes are dry. 3. Try a heated-dry option if your model has one. 4. If the 5-3 pattern returns or the load stays wet, call us.

! Why to stop there

The heater is part of the tub assembly and needs tools and a meter to test
Wet dishes alone do not tell us whether it is the heater or its wiring
We quote the price in writing first and give 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.

→Same appliance

Other Dishwasher codes

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Dry Heater ErrorDry Heater Error questions

Is a wet load always the heater?

No. Rinse aid, a crowded load or plastic items can also leave dishes damp. Pattern 5-3 is what ties the problem to the drying heater, so the pattern is the clue to follow.

Is it safe to keep using the dishwasher?

Washing is still possible, but a heater problem is something we like to check soon. If you ever smell burning or see smoke, turn off the breaker immediately and call us.

Why only on the 450?

This heater pattern is listed for the 450 only. Other models use different drying hardware and different lists, so confirm your model number before comparing patterns with another dishwasher.