24 _ 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
LED
LCD
tS
The Thermistor resistance is
very low or high.
Check for :
- Clogged lint screen
- Restricted vent system.
- Check Thermistor resistance.
tO
dO
Running the dryer with door
open
Check for :
- Close the door, and run the dryer
- Loose or open wire terminals at the
Door sensor circuit.
dF
Invalid state for more than 0.25
seconds
Check for :
- Loose or open wire terminals at the
Door sensor circuit.
bE
Invalid state of key circuit short
for 30 secs
Check for :
- If the display PCB key circuit is
shorted or not
od
Invalid Dry time in excess Dry
time
Check for :
- Sensor bar Open
- Using Adjust time Up excessively
hE
Invalid heating Temp in running
the dryer
Check for :
- Restricted vent system.
- Check Thermistor resistance.
Et
Invalid state of EEprom
communication
Check for :
- PCB with EEprom circuit
FE
Invalid power source Frequency
Check for :
- Not using regular power source
frequency
- Invalid power frequency sensor
circuit