Samsung DMT dishwasher error codes

Unplug the dishwasher and check the wiring connections on the heater. Replace the heater if it's damaged. If the heater is okay, replace the main power board assembly (PBA).

If the temperature of the hot water at your kitchen faucet is more than 120 degrees, lower the setting on the water heater. If the water temperature in the tub is below 176 degrees, the thermistor (temperature sensor) is defective; replace the thermistor. If the problem persists, replace the main PBA.

Empty any dishes that flipped and are filled with water and restart the cycle. Adjust the leveling feet on the dishwasher if it's not level. Unplug the dishwasher and reconnect any loose wires on the wire harness for the water level sensor. Replace the wire harness if damaged. If the wire harness connections are okay, replace the water level sensor.

The diverter assembly controls spray-arm water flow in the half-load mode. Unplug the dishwasher and reconnect any loose wires on the diverter motor and diverter positions switch. Replace the wire harness if damaged. If the wires are okay, replace the diverter assembly, which includes the diverter motor, position switch and diverter plate. On some models, you'll need to replace the entire sump and motor assembly because diverter compoenents aren't available as separate parts.

Fully open the water supply cut-off valve for the dishwasher. If the valve is already open, unplug the dishwasher and shut off the water supply, and then disconnect the fill line and examine the water inlet valve. If the inlet screen is clogged, replace the water valve-don't just clean the screen, because debris could enter the valve body, causing the valve to stay open, resulting in flooding. Check the wiring connections on the water inlet valve and secure any loose connections. If the water valve won't open when activated, replace it.

Clear clogs from the sink drain. Unplug the dishwasher and clear clogs from the dishwasher drain hose and drain pump. If the drain hose or the drain pump is damaged, replace it.

Unplug the dishwasher or shut off the house circuit breaker for the dishwasher to disconnect electrical power. If water continues to fill the tub, replace the water inlet. If filling stops when you disconnect power, replace the main power board assembly (PBA).

Check for a water leak under the dishwasher. Examine the hoses, drain pump and tub. Replace any leaking components.

Press all the buttons on the control panel to attempt to free the stuck key. If the key remains stuck, replace the control panel.

Check the door latch operation. Unplug the dishwasher or disconnect the power and reconnect any loose wires on the door latch. Replace the wire harness if damaged. Replace the door latch if damaged.

Unplug the dishwasher and reconnect any loose wires on the main PBA and the control panel. Replace the main PBA or the control panel if damaged.