JennAir Flush-Mount Code E:18: Water supply too low or missing

What E:18 means

E:18 on a JennAir flush-mount dishwasher for European cabinets, such as the JDB9600AW, means the flow sensor counted too little incoming water, or none. The machine waits for supply and then stops the program with a drain. The listed reason is a water supply rate that is too low or no supply at all. The customer sees an LED pattern rather than the text E:18; the code itself appears in service mode.

Common causes of E:18

Water tap to the dishwasher partly or fully closed
Inlet hose kinked or inlet screen clogged
Low household water pressure
Flow sensor reading too little water

✓ One safe check you can try

1. Make sure the shutoff valve under the sink is fully open. 2. Look at the inlet hose for kinks behind the machine if you can see it without moving the unit. 3. Run the kitchen tap and watch the flow. 4. Restart a short program. If the machine again stops without filling, call us.

! Why to stop there

Pulling a built-in unit forward risks damaging hoses and flooring.
The inlet screen and valve are behind panels that should stay shut.
A low-flow supply issue may sit in the house plumbing, which is a plumber's question.
We check flow first and quote a written price for any dishwasher part.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

→Same appliance

Other Dishwasher codes

F9E2JennAir Dishwasher Code F9E2: Drain motor error FAE4 or F10E4JennAir Dishwasher Code FAE4 or F10E4: Diverter valve error FAE5 or F10E5JennAir Dishwasher Code FAE5 or F10E5: Diverter leak H2OJennAir Dishwasher Code H2O: Not detecting water Sanitize Light FlashingJennAir Dishwasher Message "Sanitize Light Flashing": Sanitize Temperature Not Met F8E4JennAir Dishwasher Code F8E4: Check for water and leaks after installation F8E5JennAir Dishwasher Code F8E5: Fill valve stuck open F9E1JennAir Dishwasher Code F9E1: Long drain time

E:18E:18 questions

What does the LED pattern mean on my display?

On this model the owner display shows a light pattern instead of E:18. Our technicians read the code in service mode and match the pattern to the low-supply message.

Could the sink tap be involved?

Only indirectly. If the shutoff under the sink is partly closed, the dishwasher gets too little water and reports the same message. Open it fully before calling.

Does it drain on its own?

Yes. The program stops with a drain once the flow sensor reports too little supply, so you may find a little water left. We check the fill path and quote in writing first.