DMZ2/DMS2 Portable Desiccant Dryer  
Issues > Check/Troubleshooting
Blower is overloaded and the thermal relay trips.
  1. Clog in the cartridge filter (in conveying line filter case) or drying/regeneration filter.
  2. Connecting hose in dehumidifying unit is damaged or has loose connection.

1. Clog in the cartridge filter (in conveying line filter case) or drying / regeneration filter.


  1. Check to see if each filter is clogged. If clogged, clean or replace.


    If dirty or clogged, clean inside of filter by blowing clean, dry air. Wear a mask when cleaning (debris will scatter during cleaning).

    [Point]
    1. Wear a mask when cleaning. Dust/particles will disperse in the air when blowing dry air.
    2. After cleaning, set filter in the original position and fasten securely.
    3. When the filter is badly clogged, replace with new filters.
    4. Before cleaning or replacing, turn operation switch off and make sure the blower is completely turned off.
Regeneration Filter Order
Drying Filter Order
If problem persists
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2. Connecting hose in dehumidifying unit is damaged or has loose connection.
Air flow will be reduced if air leak in unit occurs.

Before inspecting, stop operation of the unit. After checking that unit has stopped completely, turn power breaker off and wait until any heated sections have cooled off.
  1. Check to see if a hose is damaged or if a hose band is loose. Then replace or tighten the hose.
Hose Order
If problem persists
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