JennAir Flush Mount Code E:29: internal error from low voltage

What E:29 means

The JennAir Flush Mount dishwasher for European cabinets, model JDB9600AW, shows E:29 as an internal error. The dishwasher stops in its current position. The cause named is undervoltage, below 170 V or 190 V, rather than a part failure in the appliance. Owners see the cycle freeze partway through, with E:29 on the display. Once the voltage recovers, a restart usually lets the dishwasher resume normal work.

Common causes of E:29

Supply voltage dropped below the working range
Loose or overloaded household circuit
Momentary power dips during the cycle

✓ One safe check you can try

1. Turn off the breaker for a minute and restart the dishwasher. 2. Avoid running big appliances on the same circuit at the same time. 3. Notice if the dishwasher stops when the kitchen lights flicker. 4. Skip extension cords. 5. If E:29 returns, ask an electrician to check the supply and call us.

! Why to stop there

The control is protecting itself from low voltage, so parts are probably fine.
Part swaps will not help a weak house supply.
Voltage checks need a meter and care.
We write the price down first and warranty our work for 30 days.

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

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 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

E:29E:29 questions

Why does the cycle stop in place instead of finishing?

With low voltage, the control halts at its current step to avoid damage. After power is stable, a restart usually continues or restarts the program.

Does E:29 share its cause with E:27?

They share the same cause, low supply voltage, but E:27 describes a continuous undervoltage, while E:29 is an internal error that stops the cycle where it stands.

Could the dishwasher itself cause the voltage drop?

If the motor draws heavy current from a weak circuit, the drop can show up during startup. A technician can measure the supply at the outlet while the dishwasher runs.