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Error code reference

Zenith Dishwasher Error Code F17

Absent water flow (turbidity based)

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What the F17 error code actually means

The F17 code means your dishwasher could not detect water moving through it during a cycle. This could be because water is not actually entering or circulating in the machine, or because the sensor that checks for water flow is dirty, damaged, or disconnected. Either way, the dishwasher has stopped the cycle as a safety measure until the issue is resolved.

Diagnostic procedure

The full F17 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
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Most common causes of F17

Ranked by how often they cause this code
  1. 1Dirty or fouled turbidity sensor
  2. 2Blocked or kinked water supply line
  3. 3Failed water inlet valve
  4. 4Turbidity sensor failure
  5. 5Circulation pump failure

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Questions people ask about F17

What does F17 mean on a Zenith dishwasher?
F17 on a Zenith dishwasher means the appliance did not detect water flow during a cycle, based on readings from its turbidity sensor. The sensor monitors water movement through optical detection in the sump area. The fault can be caused by an actual absence of water flow, a dirty sensor, or a sensor that has failed. The dishwasher halts the cycle when this condition is detected to prevent damage.
Is it safe to run my dishwasher with an F17 error showing?
No, you should not attempt to run a wash cycle while F17 is active. The error indicates that water flow is not being confirmed, and continuing to operate the dishwasher could result in the heating element running without adequate water, which can cause component damage. Resolve the underlying cause before resuming normal use.
How much does it cost to repair an F17 error on a Zenith dishwasher?
Repair costs vary depending on the failed component. Cleaning the turbidity sensor costs nothing beyond your time. Replacing the turbidity sensor or inlet valve typically ranges from around $50 to $150 including parts and labor. A circulation pump replacement is generally more involved and can range from $120 to $300 or more depending on parts availability and local labor rates.
Can I fix the F17 error myself?
Some causes of F17 can be addressed without professional help, such as cleaning the turbidity sensor, checking for a kinked supply hose, or confirming the water shutoff valve is fully open. If those steps do not resolve the error, internal components like the inlet valve, turbidity sensor, or circulation pump may need replacement, which typically requires more advanced disassembly. If you are comfortable working with appliance components and can safely disconnect power and water, further diagnosis is feasible at home.
Will resetting the dishwasher clear the F17 code?
A reset may temporarily clear the F17 code, but the error will return if the root cause has not been fixed. Resetting is useful as a first step to rule out a one-time electronic glitch, but if the fault reappears on the next cycle, a physical or electrical problem with the water flow system needs to be diagnosed and repaired.

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