Running the vent blockage test
1. Make sure the drum is empty, and then close the door.
(If there are any clothes or other items in the drum, the test will not give accurate
results.)
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 can not exhaust properly, "CLg or Cg" appears and the dryer sounds
an alarm tone.
If there are any other problems, an information code appears in the display. For
information about the code, see "Information codes" section on page 48.
• To stop or cancel the Vent Blockage Test, press the POWER button to turn off your
dryer.
• During the test, if "dc" appears in the display, make sure the door is closed. If "C1" is
displayed, see if there is laundry inside drum. If there is, stop the test and remove it.
Then, start the test again.
• 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 "CLg or Cg" (the duct system is blocked ), refer to the "Ducting
requirements" section on page 14 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.
DV7650T(SEM)_DC68-03784H-00_EN.indd 29
and Dry Level buttons for 3 seconds. "InS or In" appears in the dryer's
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