What are the symptoms of Bertazzoni Dishwasher Error Code E12?

Dishwasher does not fill with water or fills very slowly Cycle stops prematurely during operation Error code E12 displays on the control panel Dishes remain unwashed or partially cleaned Water inlet valve may make unusual sounds or no sound at all Cycle cannot complete and restarts repeatedly

What can I safely check before calling a technician for Bertazzoni Dishwasher Error Code E12?

Verify the main water supply valve under the sink is fully open by turning the knob counterclockwise Check that the home circuit breaker for the dishwasher is in the ON position; if tripped, reset it by switching fully OFF then back ON Inspect the inlet water hose for visible kinks, bends, or crushing - straighten any obstructions and ensure the hose is not pinched behind cabinets Turn off the water supply valve and unscrew the inlet hose from the back of the dishwasher to check for debris in the connection point Remove and rinse the small inlet filter screen (usually a fine mesh screen at the hose connection) under running water to clear any mineral deposits or sediment Ensure the dishwasher door is closing completely and latching with an audible click Test household water pressure at a nearby sink faucet - water should flow steadily (low pressure in your home's main supply could trigger this error) Power reset the dishwasher by turning off the circuit breaker for 60 seconds, then turn it back on to clear temporary sensor faults Run a test cycle with the door closed to see if the error reoccurs after these checks

Error Detected May 1, 2026

Error Code

Bertazzoni Dishwasher Error Code E12

Error code E12 indicates a water inlet or water supply detection issue on your Bertazzoni dishwasher. This error typically means the appliance is not receiving adequate water flow or pressure during the fill cycle.

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Quick Diagnostics

Signs 6 identified

Possible Causes 9 listed

Safety Checks 9 steps

If unsure, stop using the appliance and contact a certified technician immediately.

01

• Dishwasher does not fill with water or fills very slowly
02

• Cycle stops prematurely during operation
03

• Error code E12 displays on the control panel
04

• Dishes remain unwashed or partially cleaned
05

• Water inlet valve may make unusual sounds or no sound at all
06

• Cycle cannot complete and restarts repeatedly

• Kinked or blocked water inlet hose preventing water flow

• Main water supply valve to the dishwasher is turned off or partially closed

• Inlet water pressure is too low (below 20 PSI required for North American models)

• Clogged inlet water filter screen at the hose connection point

• Faulty water inlet valve solenoid (120V electrical component failure)

• Water line frozen in cold climates

• Household water supply issue or main water shutoff valve problem

• Control board failure detecting water flow sensor signals

• Damaged or disconnected water flow sensor

1

• Verify the main water supply valve under the sink is fully open by turning the knob counterclockwise
2

• Check that the home circuit breaker for the dishwasher is in the ON position; if tripped, reset it by switching fully OFF then back ON
3

• Inspect the inlet water hose for visible kinks, bends, or crushing - straighten any obstructions and ensure the hose is not pinched behind cabinets
4

• Turn off the water supply valve and unscrew the inlet hose from the back of the dishwasher to check for debris in the connection point
5

• Remove and rinse the small inlet filter screen (usually a fine mesh screen at the hose connection) under running water to clear any mineral deposits or sediment
6

• Ensure the dishwasher door is closing completely and latching with an audible click
7

• Test household water pressure at a nearby sink faucet - water should flow steadily (low pressure in your home's main supply could trigger this error)
8

• Power reset the dishwasher by turning off the circuit breaker for 60 seconds, then turn it back on to clear temporary sensor faults
9

• Run a test cycle with the door closed to see if the error reoccurs after these checks

Always unplug the appliance before performing any physical check. These are visual/external checks only.

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Bertazzoni Dishwasher Error Code E12

Signs

Possible Causes

Safety Checks You Can Do