Skip to main contentStart diagnosing E4 on your Sharp dishwasher
What this code means
Water flood detected in the bottom of the dishwasher, causing the detective (flood) switch to activate.
First step from the service manual
Check the use of the detergent
Next steps: diagnose the root cause
1
Verify the error code is active
Power cycle the unit and see if the code returns. If it does, the fault is persistent and requires diagnosis.
2
Get the full diagnostic procedure
Get step-by-step guidance, test values, and wiring diagrams from the OEM service manual.
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What’s available for Sharp dishwasher models
Access Sharp dishwasher service manuals, wiring schematics, exploded parts views, and error code references on MyPros+.