Dishwasher Repair
Viking Dishwasher Problems: Symptoms, Owner Checks and When to Stop
Written by Keiko Mabuchi Service technician — cooktops and ventilation · 11 years in the trade
Most Viking dishwasher problems come down to four things: water that never arrives, water that will not leave, a filter clogged with food, or a leak the machine has picked up on its own. On the 3 Series and 5 Series models, whose model numbers begin VDWU or FDWU, the display narrows it down with a short code, and a homeowner can rule out the commonest causes before anyone has to pull the machine from the cabinet. In Los Angeles the hard tap water adds a fifth: white film on glasses and scale in the spray arms, which looks like a breakdown but usually is not one.
Read the display before you touch anything
Two codes explain a large share of service calls. E:01 means the dishwasher has sensed overfilling or water where it should not be, and it reacts by running the drain pump by itself. E:02 means it waited for water and none came in. They point in opposite directions, so note which one you saw before you reset the machine.
For E:02, look at the supply first. The shutoff valve normally lives under the sink, and it is easy to knock half closed while putting away cleaning bottles. A plumber who recently worked on the sink may also have left it off. Open it all the way, then run a short program. If the code comes back with the valve open and the kitchen tap running at normal pressure, the fill valve or its inlet screen is the probable suspect, and that is work for a technician.
For E:01, check the floor and the area under the toe kick for water. A load washed with hand dish soap foams heavily, and that foam can trip the leak sensor. Let the pump finish, dry the area, and run the machine empty with no detergent at all. The Viking manual is clear about what comes next: an E:01 that persists calls for service, not another round of resets.
When it will not start
A blank panel and a panel that lights up but refuses to run are separate faults, so sort out which one you have.
- Nothing lights. Check the breaker, then check whether the dishwasher shares a switched outlet or a GFCI with the disposal. A tripped GFCI hidden in the sink cabinet is an easy one to miss.
- It lights but will not run. Push the door until it latches. An overfilled rack or a tall pan handle can hold it open by a fraction. If your model offers a delayed start, make sure one is not quietly counting down.
- It starts, hums, then quits. That points back toward the fill side, so repeat the E:02 checks.
If the panel is lit, the door shuts firmly, water is on and the dishwasher still does nothing, the trouble is probably in the door switch, the control or the touch panel itself. None of those are owner repairs on a built-in machine.
Water standing in the tub: the not-draining checklist
Water left in the bottom after a finished cycle usually starts at the filter. Viking asks owners to clean it at least once a week, and few kitchens keep to that. The assembly sits in the floor of the tub. Turn the micro and coarse filter unit counterclockwise, lift it out, then take out the flat filter beneath it. Scrub all three under running water and seat the assembly again until it clicks. A filter that is not locked down lets debris into the pump, so do not skip that last step.
If the filter was already clean and water still sits there, work through these:
- Run the disposal for a few seconds. The dishwasher drains into the same line, and a full disposal backs it up.
- If the dishwasher went in alongside a brand-new disposal, the disposal’s knockout plug may never have been removed.
- Check the air gap, the small chrome cap beside the faucet that many California sinks carry. Lift the cover and clear out any sludge.
- Look under the sink for a drain hose bent flat behind stored items.
A hum with no sound of draining, or a tub that only empties partway after all four checks, generally means a worn or jammed drain pump.
Cloudy glasses and spots: often the water, not a fault
Los Angeles tap water is hard, carrying enough calcium and magnesium to leave a chalky haze on glassware and scale around the spray-arm holes. Before you book a repair for poor washing, look at the rinse aid.
The rinse aid dose runs from P:0 to P:4 and arrives set at 3. Spotted or streaky dishes call for a higher setting; a blue smear that wipes off with a fingertip means the dose is too strong. Keep the dispenser topped up, because hard water leans on it more than soft water does. If your spray arms come off, clear any blocked holes with a toothpick while they are out.
One note for anyone who counts on the dishwasher to sanitize baby bottles or cutting boards. The NSF/ANSI 184 standard for home dishwashers calls for a 99.999 percent reduction in bacteria and a final rinse of 150°F, and it only counts on the sanitizing cycle. An everyday program may never reach that, so pick the right cycle before deciding the heater has failed.
When to stop, and what repairs typically run
Call in a technician when E:01 returns after a dry, empty test run, when you find water under the cabinet that did not come from a spill, when the pump hums but moves nothing, or when the panel lights and the machine still will not run after every check above. A built-in Viking is screwed to the cabinetry behind a custom panel, and easing it out without scratching that panel or straining the water line is careful work.
| Repair | Typical range |
|---|---|
| Diagnostic visit | $89 |
| Dishwasher pump or control | $200–$390 |
| Control board or touch panel | $440–$670 |
Treat those figures as the usual spread; your exact quote is set once the fault has been found. The $89 visit pays for the trip and a complete diagnosis, and that amount is deducted from the bill as soon as you approve the repair.
Check the age of the machine before you pay anyone. The first six digits of a Viking serial number give the build date as month, day and year, so 082421C10019872 left the line on August 24, 2021. If that date is recent, Viking may still owe you: the indoor warranty gives full coverage in normal household use for two years, and for a home bought new the clock can start at escrow closing instead of the day of sale, whichever gives you longer.
We handle Viking dishwashers across Brentwood, Pacific Palisades, Bel-Air and Hancock Park. Our Viking dishwasher repair page explains what a visit covers, or call (213) 600-7131 to book.
Loose ends
Why is my Viking dishwasher not draining?
A packed filter is the usual reason a Viking dishwasher holds water. Clean the filter assembly, run the disposal for a few seconds, clear the air gap cap by the faucet and look for a kinked drain hose. If water still stands after all of that, the drain pump is the likely culprit and it needs a technician.
Why will my Viking dishwasher not start?
Most no-start complaints come from a door that has not fully latched, a tripped breaker or GFCI outlet, or a closed supply valve that brings up E:02. If the panel lights, the door latches firmly and water is on but nothing runs, the door switch or the control needs a proper diagnosis.
My Viking shows E:01 and keeps pumping out. Is it broken?
Not necessarily: that code is the leak and overfill alarm, and the pumping is the dishwasher protecting your floor. Suds from ordinary hand soap can set it off once. If it keeps coming back after a dry, empty test cycle, Viking says the dishwasher needs service.
How often should I clean the filter on a Viking dishwasher?
Clean it at least once a week, which is what Viking asks of 3 Series and 5 Series owners. With the hard water most Los Angeles homes get, a weekly rinse also keeps mineral grit and food scraps away from the pump.
Is my Viking dishwasher still under warranty?
Look at the serial plate: its opening six numbers are the date the unit was built, written month first, then day, then year. Viking covers the dishwasher fully for two years from purchase or new-home closing, whichever is longer, and still supplies certain listed dishwasher parts in years three through five while you pay labor and shipping.