Troubleshooting; Error Items And Diagnostic Codes - Samsung DV5471AEW/XAA Service Manual

4. TROUBLESHOOTING

4-1. ERROR ITEMS AND DIAGNOSTIC CODES

An occurrence of an Error will make a sound of error melody for 5sec and continuously show one of the Error Displays
from the following errors.
Error Display
tE
HE
dE
df
bE
(DV422, DV400)
bE2
fE
AE
Et
2E
26 _ Troubleshooting
复件 Hudson_Dryer_SM_E.indb 26
Trigger
The Thermistor resistance is very low or
high.
Invalid heating Temp in running the dryer.
Running the dryer with door open.
Invalid door state for more than 256
milliseconds.
Invalid state of key circuit short for 30
secs.
Invalid power source Frequency.
Electronic Control Problem.
(Communication Error)
Invalid state of EEPROM communication.
Electronic control problam.
(Over Voltage Error)
Action Taken
Check for :
- Clogged lint screen.
- Restricted vent system.
- Check Thermistor resistance.
Check for :
- Restricted vent system.
- Check Thermistor resistance.
Check for :
- Close the door, and run the dryer.
- Loose or open wire terminals in Door
Sense circuit.
Check for :
- Loose or open wire terminals in Door
Sense circuit.
Check for :
- Display PCB key circuit short or not.
Check for :
- Not using regular power source frequency.
- Invalid power frequency sense circuit.
Check for :
- Check PCB and Wire harness.
- Replace PCB.
Check for :
- PCB with Eeprom circuit.
Check for :
- Check PCB and Wire harness.
- Check Power supply.
- Replace PCB.
2012-4-2 15:20:55