MGD Portable Hot Air Dryer/Loader  
Issues > Check/Troubleshooting
Decreased air flow rate from blower.
  1. Clog in cartridge filter (in conveying line filter case) and drying filter.
  2. Airflow adjusting damper in dry blower is closed.
  3. Connecting hose in dehumidifying unit is damaged or has loose connection.

1. Clog in cartridge filter (in conveying line filter case) and drying filter.
If clogged, air will not circulate, potentially leading to overload to blower.
  1. Check to see if each filter is clogged.
  2. If dirty or clogged, blow clean dry air into filter and remove the clinging particles.
    [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.
Drying Filter (Exhaust) Order by Phone/FAX
If problem persists
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2. Airflow adjusting damper in dry blower is closed.
When running with damper closed, this may cause drying temperature overhead (upper limit alarm) from lack of vacuum air flow.
  1. Check the airflow adjusting damper.

    [Point] Avoid operating with damper fully closed.
If problem persists
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3. Connecting hose in dehumidifying unit is damaged or has loose connection.
Air flow will be reduced if air leak in unit occurs.
Before inspecting, initiate stopping operation of unit. After checking that unit has stopped completely, turn power breaker off and wait until heating section has cooled off.
  1. Check to see if hose is damaged or if hose band is loose. Then replace or tighten hose.
If problem persists
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