2. Press the POWER button to turn the dryer on, then simultaneously press and hold the
Adjust Time
display. (If you have started other procedures before the Vent Blockage Test, the dryer
will not enter the Vent Blockage Test mode.)
3. Press the START/PAUSE button. The Vent Blockage Test starts immediately. During the
test, the number indicator makes a circle in 6 clockwise steps. The test takes about 2
minutes. Do not open the door during the test.
4. After 2 minutes, when the test is complete, the results is displayed and the dryer
sounds a tone. If status of the duct system is normal, "End or 0" appears and the dryer
sounds a completion tone.
If the duct system cannot exhaust properly, the check code appears, and the dryer
sounds an alarm tone. For description about the code, see the "Installation check codes"
section on page 30.
If there are any other problems, an information code appears in the display. For
description about the code, see the "Information codes" section on page 49.
• To stop or cancel the Vent Blockage Test, press the POWER button to turn off your
dryer.
• The results remain on the display for about 5 minutes and then automatically turn
off. You can turn the result off immediately by pressing the POWER button.
NOTE
• During or after the test, the internal drum is hot. Use caution to prevent burns.
The Vent Blockage Test is used to check for problems to the current duct system when
the dryer is installed for the first time.
• If the test result displays check code (the duct system is blocked ), refer to the "Ducting
requirements" section on page 15 and the "Exhaust ducting guide" section below, and
then take proper measures to correct any problems.
If the test is suspended, it could result in incorrect results. Follow the proper
procedures when testing the dryer.
• Even if the test result is normal ("End or 0"), the duct system could be blocked slightly.
Properly install all duct work according to the installation instructions in this manual.
DV3400T_DC68-03784M-02_EN.indd 29
and Dryness buttons for 3 seconds. "InS or In" appears in the dryer's
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