CO/Tech MDDG-20DEN3-QA3

Questions and Answers

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smithmarcusAug 8, 2025
Why will my CO/Tech MDDG-20DEN3-QA3 Dehumidifier not switch on?
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  cody45Aug 9, 2025
  If your CO/Tech Dehumidifier isn't switching on, there are a few potential reasons: * Ensure the mains lead is properly plugged into both the dehumidifier and a working wall socket. * Check if the water reservoir is full or not correctly fitted. Empty or refit it as needed. * Verify that the set humidity level hasn't already been reached. If so, the unit won't turn on.
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Marcus MorganAug 17, 2025
Why is my CO/Tech Dehumidifier not reducing humidity?
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  bcoxAug 17, 2025
  If the humidity isn't reducing when using your CO/Tech Dehumidifier, consider the following possible causes: * The dehumidifier may not have been running for a sufficient amount of time. * Ensure that nothing is obstructing air circulation in the room. * The humidity level might not be set low enough on the dehumidifier. * Make sure outdoor air isn't entering the room. * The ambient temperature might be below 15 ºC. * Check for any heat sources in the room that could be raising the humidity level.
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Sheila BellAug 23, 2025
What to do if my CO/Tech Dehumidifier shows error codes?
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  cheyennemooreAug 23, 2025
  If your CO/Tech Dehumidifier is displaying error or protection codes, the following could be the cause: * A defective humidity sensor. In this case, turn the dehumidifier off, unplug it, plug it back in. If the issue persists, contact a qualified service center. * A defective temperature sensor. Similarly, turn the dehumidifier off, unplug it, plug it back in. If it continues, contact a qualified service center. * Automatic defrosting may be in progress. Allow the dehumidifier to run until the 'P1' code disappears from the display. * The water reservoir could be full or incorrectly fitted. Empty or refit the reservoir. * Other defects. Try turning the dehumidifier off, unplugging it, and plugging it back in. If the problem persists, contact a qualified service center.
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Stephen EatonAug 30, 2025
How to fix unusual noises from CO/Tech Dehumidifier?
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  Sarah PerezAug 31, 2025
  Unusual noises from your CO/Tech Dehumidifier during use can be due to: * A dirty air filter. Ensure that the air filter is clean. * The dehumidifier being tilted or placed on an uneven surface. Make sure the dehumidifier is standing upright on a level surface.