The Beko brand belongs to the Turkish domestic appliance manufacturer Arçelik A.Ş., which is, in its turn, controlled by Koç Holding. Beko Elektronik A.Ş. was created in 1967.
The current product range includes budget TVs, refrigerators, washers, and dishwashers. Beko dishwashers are known for low water consumption and efficiency.
The chart below shows the meaning of the most common error codes of Beko dishwashers.

Beko dishwasher error codes

FAULTS	CAUSE	SOLUTION
H2	Dishwasher turbidity sensor error	The turbidity sensor is the sensor in the sump that detects the presence of deterrgent.
H3	Dishwasher diverter valve position error	The diverter valve is the valve that controls the water flow to the either the top or bottom spray arms or to both at the same time.
H4	NTC Error	The dishwasher cannot read the temperature sensor.
H5	Uninterruptable water inlet error	The electronic controller of the dishwasher monitors the water counter pulses during every step of the wash program. If the pulses received from the counter at any stage except when the dishwasher is supposed to be filling, and if the received pulses exceed 0.6 lt. of water then this error will be displayed. When the fault detected, software drives the drain pump with 1 minute intervals (1 min ON, 1 min. OFF). During this interval if counter pulses stop (the dishwasher ceases to fill) then program will continue. • Malfunction of Water-Inlet Valve (stuck as open) Malfunction of T7 triac on the electronic board
H6	Water inlet fault	No water is detected to teh dishwasher or, it fails to fill.
H7	Heating fault	The dishwasher canot detect the heater or reach the correct temperature.