Samsung DV456 Serie Information Technique page 2

ALIGNMENT AND ADJUSTMENTS
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.
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
[HUDSON]_Technical_information-03171A-01_EN.indd 2
WARNING
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
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2012-4-9 17:20:04