Viking Dishwasher Error 1-2

⚡ Quick Answer: The Viking Dishwasher error code 1-2 indicates simultaneous water inlet and drainage issues. The dishwasher may fail to fill properly due to a water s... ✅ DIY Fixable

What Does Error 1-2 Mean?

The Viking Dishwasher error code 1-2 indicates simultaneous water inlet and drainage issues. The dishwasher may fail to fill properly due to a water supply problem and may also struggle to drain effectively. Symptoms include a humming sound and cycles that stop early or fail to start. Troubleshooting involves checking the water supply valve and inspecting hoses for blockages or kinks.

Common Symptoms:

  • Dishwasher unable to fill sufficiently with water (related to code 1)
  • Dishwasher unable to drain properly (related to code 2)
  • Cycles stopping early or not starting due to fault detection

Possible Causes

  • Water inlet/fill problem (associated with code 1) (medium)
  • Drainage problem (associated with code 2) (medium)

How to Fix Error 1-2

DIY Fix Check water supply and drainage

  1. Ensure the dishwasher’s water supply valve is fully open.
  2. Inspect the water inlet hose for kinks, pinches, or blockages.
  3. Check the drain hose for clogs or kinks that could prevent water from exiting.
  4. If connected to a garbage disposal, run the disposal to clear any potential blockage.

Technician Only Inspect and test inlet and drain components

  1. Perform continuity and function testing on the water inlet valve.
  2. Inspect and test the drain pump for mechanical and electrical operation.
  3. Check float switch and water level sensing components for correct operation.
  4. Evaluate control board for correct fault code interpretation.

Parts needed: Water inlet valve, Drain pump, Hoses and fittings, Float switch

🛑 When to Call a Pro:
  • If you cannot identify a clear blockage or supply issue
  • If checking basic hoses and valves does not clear the error
  • If multiple error codes persist after basic troubleshooting

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number VIKING 123456789
voltage_rating 120V AC

Common Questions

What does 1-2 error mean on Viking Dishwasher?

Error 1-2 indicates issues with both water filling and draining, causing cycles to stop.

Can I fix Viking Dishwasher 1-2 error myself?

Yes, check the water supply valve and inspect hoses for clogs or kinks.

How much does it cost to fix 1-2 error?

Repair costs range from $150 to $450 depending on parts and labor.

When should I call a technician for 1-2?

Call a technician if basic troubleshooting doesn't resolve the error or if multiple codes persist.

Sources & References

Data last verified: 2026-03-25

User Comments (0)

Share your experience or solution below.

Be the first to comment!