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Error code reference

Zenith Dishwasher Error Codes

23 error codes documented with diagnostic procedures.

Have your model number? Get codes specific to your unit.
F1Communication failedF10Turbidity sensor reading high (possible open on sensor).F11Turbidity sensor reading low (possible short on sensor).F12Temperature sensor highF13Temperature sensor lowF14Turbidity sensor calibration failureF15Inverter error receivedF16Inverter no water detectedF17Absent water flow (turbidity based)F18No water in tub (turbidity based)F19Absent heat sourceF2Configuration errorF20Non-draining sump (turbidity based)F21Minimum wash temperature not metF22Key stuckF23Low rinse aidF3Inverter found on incorrect MC personalityF4Wireless module communication lost (on some models).F5High water temperature detected.F6Door switch errorF7Leak pan detected errorF8Diverter feedback errorF9CSM (Current Sense Module) tripped

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Step-by-step tests, expected values, wiring diagram references, and verified part numbers.

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Common questions

How do I find the error code on my Zenith Dishwasher?
Most Zenith dishwashers show the code directly on the control panel display. If your model has no display, it can be read by entering diagnostic mode with the key sequence for your model. The full procedures include model-specific instructions for reading codes.
Are these codes specific to my model?
The codes here apply broadly to Zenith dishwashers. Meanings and diagnostic steps can vary by model and production year, so enter your model number for model-specific information and procedures.
What do I do if my code is not listed?
Some codes are model-specific or only appear in diagnostic mode. Enter your model number to get codes specific to your unit, or contact us. We update the database continuously from manufacturer service documentation.
How much does it cost to access the full diagnostic procedures?
A 3-day pass is $9.95 one-time and gives full access to all brands, codes, and procedures. Monthly access is $29/month with unlimited access to everything including Max AI diagnostics.