F8E4 Moderate Moderate DIY

KitchenAid Dishwasher F8 E4 — Low Water / Flow Fault

KitchenAid Dishwasher · Error code F8E4

What F8E4 Means

F8 E4 means the dishwasher detected low water flow or fill — the flow meter is not seeing enough water. Shared across KitchenAid/Whirlpool dishwashers.

Most Likely Fix

Diverter motor fault

PartDiverter motor
Typical cost$50-100
Difficultymoderate
Time60 min

Tools: screwdriver, nut driver

Diagnose first: Often paired with poor cleaning on one rack. Inspect for foreign debris jamming the diverter before replacing.

Find this part on Amazon →

Symptoms

  • Poor cleaning
  • Cycle errors or stalls
  • F8 E4 (often flashing on resume)

Common Causes

1
Low water supply / valve

A partly closed supply valve or low pressure.

2
Clogged inlet valve or screen

Sediment restricting fill.

3
Faulty flow meter

The flow sensor mis-reads water entering.

How to Fix It

  1. Confirm the under-sink supply valve is fully open with good pressure.
  2. Clean the inlet valve screen.
  3. If fill is fine, suspect the flow meter / inlet valve assembly.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Whirlpool/KitchenAid Dishwasher Inlet Valve View on Amazon→

More KitchenAid Dishwasher Codes

6-1 6-1 Error — No Water Detected 7-1 7-1 Error — Heating Element Failure 8-1 8-1 Error — Slow Drain F0E4 F0E4 — Wash Motor Communication Error F2E1 F2E1 — Stuck Key on Control Panel F3E1 F3E1 — Thermistor / OWI Sensor Failure

All KitchenAid codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.