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Error code reference

Thor Kitchen Dishwasher Error Code E1

Longer inlet time

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What the E1 error code actually means

Your Thor Kitchen dishwasher is showing E1 because it took too long to fill up with water at the start of a cycle. This usually means the water supply to the dishwasher is partially or fully blocked, or the water pressure coming into the machine is too low. Check that the water shutoff valve under the sink is fully open and that the hose connected to the dishwasher is not kinked.

Diagnostic procedure

The full E1 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check that faucets are opened and water intake is not restricted; verify water pressure is adequate.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of E1

Ranked by how often they cause this code
  1. 1Closed or partially closed water supply valve
  2. 2Low household water pressure
  3. 3Kinked or pinched inlet hose
  4. 4Clogged inlet valve filter screen
  5. 5Faulty water inlet solenoid valve

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Questions people ask about E1

What does E1 mean on a Thor Kitchen dishwasher?
E1 on a Thor Kitchen dishwasher means the appliance detected a longer than normal water inlet time, indicating that the tub could not fill within the expected window. This points to a problem with the water supply reaching the unit rather than an internal electronic fault. Common causes include a closed shutoff valve, low water pressure, a kinked hose, or a clogged inlet screen.
Will resetting my Thor Kitchen dishwasher clear the E1 error?
Resetting the dishwasher may clear the E1 code temporarily, but it will return if the underlying supply issue is not corrected. The error is triggered by a real condition the control board detected during the fill cycle. Resolving the water supply problem first is necessary for the reset to be effective long term.
How much does it cost to repair an E1 error on a Thor Kitchen dishwasher?
If the fix is simply opening a shutoff valve or clearing a kinked hose, there is no parts cost involved. Cleaning a clogged inlet screen is also typically a no-cost repair. If the inlet solenoid valve needs replacement, parts and labor combined can range from roughly 80 to 200 dollars depending on your location and whether you hire a technician.
How do I fix the E1 error on my Thor Kitchen dishwasher?
Start by confirming the water shutoff valve is fully open and the supply hose has no kinks. Next, check the inlet valve filter screen for debris or mineral buildup and clean it if needed. If water pressure in your home is adequate and all supply connections are clear, but E1 still appears, the inlet solenoid valve may need to be tested and potentially replaced.
Is the E1 error on a Thor Kitchen dishwasher a safety concern?
E1 is not a safety hazard. The dishwasher stops the cycle when it cannot fill properly, which actually prevents potential issues associated with running without adequate water. It is a protective alert, not a warning about electrical or structural danger.

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