Bosch · Dishwasher

Bosch Dishwasher E27 / E9001 error code

Difficulty: Medium · Cost: $0–$200 · Duration: 30s

The E27 or E9001 error means your Bosch dishwasher detected that the incoming voltage from the household power supply is too low. Reset power at the circuit breaker for 30 seconds. If the error occurs again contact a licensed electrician to check the incoming voltage to the appliance.

Common causes

Household power supply voltage is too low to operate the dishwasher correctly
Brownout or voltage dip in the power grid
Shared circuit causing voltage drop

How to fix it

1

Reset power at the circuit breaker for 30 seconds
2

Turn the breaker back on and check if the error has cleared
3

If E27 returns contact a licensed electrician to check the incoming voltage to the appliance