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