Troubleshooting; Qc Test Mode - LG DLEC733W Training Manual

TROUBLESHOOTING

CAUTION: Be careful of electric shock or disconnecting the parts while troubleshooting. Voltage of each
terminal in 220-230V~ and DC while applying an electric current.

QC TEST MODE

To enter the QC Test Mode, press the Power button while holding the Buzzer and Wrinkle Care
buttons. After entering the QC Test Mode, step through the tests below by pressing the Start/Pause
button.
Start/Pause Checkpoint
___ times
0 LEDs
1 Motor on (CCW),
Humidity data
2 Motor on (CW),
Humidity data
3 Motor on (CW)
1750W heater on
4 Motor on (CW)
both heating coils on
5 Pump on, Motor off
6 Motor on (CW)
7 Motor off
8 Motor off, Buzzer on
9 End
Note: This information was verified on an early production dryer. The sequence of operations may vary
on the particular dryer being serviced.
Series 33 Dryer Training
QC Test Mode
Display
Programming checksum
Moisture data (Normal: 230-245)
Moisture data (Normal: 230-245)
Temperature at low temp thermister
under the door
Temperature at high temp thermistor
located in heater
Moisture data (Normal: 230-245)
Moisture data (Normal: 230-245).
moisture sensor check on production line by
oening door with door switch pressed.)
Moisture data (Normal: 221) by
semiconductor moisture sensor.
ELE for checking ELB sensor
13
TROUBLESHOOTING
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Troubleshooting