Samsung Dryer Error Code – DV350AEW - DV350AGW - DV350AER - DV350AGR - Test mode

Error code causes and solution

t5

Dryer Thermistor Short Sensed
The Thermistor resistance is very low.

Check for: Clogged lint screen, Restricted vent system, Thermistor resistance.

t0

Dryer Thermistor Open Sensed
The Thermistor resistance is very high.
Check for: Clogged lint screen, Restricted vent system, Thermistor resistance.

dO,dE

Door Open Running the dryer with door open

Check for: Loose or open wire terminals in Door Sense circuit.

FE

Power source frequency
Error Invalid power source Frequency Check for: Non Utility power supply

dF

Door Circuit Failure Invalid state for more than 256 milliseconds
Check for: Loose or open wire terminals in Door Sense circuit.

hE or HE

Heater Error Invalid heating Temp in running the dryer
Check for: Restricted vent system,
Thermistor resistance.

bE

Button Error PCB key closed for 75 sec. Check Display PCB for stuck button

od

Over Dry Invalid Dry Time Excessive Dry
Time Inspect sensor bars

Et

EEprom Fail Invalid state of Eeprom
communication Replace Main PCB

Gas Valve Testing

Unplug connectors and test valve terminals
(its numbering is from the front terminal.)
Check across terminals #1 and #3 (Booster Coil). 550 Ohm
Check across terminals #1 and #2 (Holding Coil). 1350 Ohm
Check across terminals #2 and #3 (Both coils in series). 1900 Ohm
Check across terminals #4 and #5 (Secondary Coil). 1300 Ohm

Cycle Count Test Mode

How to Enter:
Press Temp + Signal Keys for 3 sec during Power On State.
Press Signal for 3 seconds (until beep)
Note: Test mode subject to change without notice
Temperature Test Diagnostic Mode
How to Enter:
Press Adjust Time Up + Down Keys for 3 sec during Power On State.
Press Adjust Time Up and it will display the temperature in Celsius.
Compare vent temp to drum temp to see air flow.
This can be with just power on or dryer running.

Sensor Bar Touch Data Mode
How to Enter:
Power on dryer, open door and press in door switch.
Start dryer tumbling. Press Temp + Signal for 3 sec.
Touch both sensor bars with wet cloth, sensor hit numbers show in display.
Note: Test mode subject to change without notice

Software Version Test Mode
How to Enter:
Press Temp + Signal Keys Keys for 3 sec during Power On State.
Press Temp key for 3 seconds (until beep)
Note: Test mode subject to change without notice

Dryer continues to run after cycle completed
Wrinkle Prevent option provides approximately 90 minutes (20 continuous and 70 intermittent) of tumbling in unheated air at the end of the cycle to reduce wrinkling. Press the Wrinkle Prevent button to activate or deactivate this feature. The indicator light above the pad will illuminate when Wrinkle Prevent is selected. Chasing lights appear in the display when the Wrinkle Prevent option is selected. The load is dry, and can be removed at any time during the Wrinkle Prevent cycle.

Testing Electric Heater circuit
Disconnect Blue wire from RY6, turn power on, start dryer read voltage between RY6 Blue wire and CN6 Green wire.
Reading of 120VAC means a proper operating heater circuit. 0VAC means open in circuit.
To test thermostats use ohm meter on lowest scale, any resistance replace component

Testing Main PCB power

output to Heating & Motor circuit.
With motor running in the heating mode, read AC voltage across RY6 and RY5. Any voltage reading means Main PCB is defective.

Testing Motor circuit
With power off read resistance between RY5 Brown and CN7 Blue.
Resistance reading of good motor circuit is about 1.9Ohm. To test thermostat and switch use ohm meter on lowest scale, any resistance replace component.