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      & Maintenance

MGD Portable Hot Air Dryer/Loader  
Issues > Check/Troubleshooting
Drying Blower does not rotate.
  1. Controller light indicator does not light up.
  2. Controller "Dryer" does not light up.
  3. Weld damage/wear on contact point of electromagnetic switch in control panel.
  4. Error code "E2" is displayed on the controller.

1. Controller light indicator does not light up.
  1. Primary power may not be on, or STANDBY switch may not be pressed.
  2. Circuit Protector in control panel (CP-1) may not be turned on.
  1. Turn primary power and power breaker (in front of controller) on and press.
  2. Turn CP-1 on.
If problem persists
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2. Controller "Dryer" does not light up.
To start, press each "Feeder" switch.
  1. If indicator does not light up, press "Dryer" switch.

    [Point] If drying timer is set, drying operation will start after the set time.


  2. If display does not appear, contact local service.
If problem persists
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3. Weld damage/wear on contact point of electromagnetic switch in control panel .
Electromagnetic switch will not function if abnormality is found.
Start work after stopping operation and check that breaker is off.
Those who do not have sufficient mechanical/electrical knowledge should not do any maintenance work requiring disassembly or repairing due to risk of injuries and dangers of work.
  1. Check to find any weld damages and wear on contact points, as well as any abnormalities.

    [Point] After checking, securely set white cover back on.
    Reference: Tolerance - 2 million times.


    2. [Abnormal Function]
      Condition where magnetic points are damage and center section is caved in during machine stops or does not caved in even when pressing by hand.
     
    Start work after stopping operation and check that breaker is off.
    Those who do not have sufficient mechanical/electrical knowledge should not do any maintenance work requiring disassembly or repairing due to risk of injuries and dangers of work.

  2. Replace switch if weld damage or wear is found, or when function is abnormal.
Electromagnetic Switch Orders (by Phone/FAX)
Electromagnetic Switch Replacement
If problem persists
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4. Error code "E2" is displayed on the controller.
Error will occur when overload current runs in blower and overload relay to switch trips.

Reference - Operation will automatically stop.
Start work only after turning power off!
  1. Check to see if electromagnetic switch does not have a thermal trip.

    Click here for overload causes.


  2. After repairing overload in blower, press reset button on overload relay.
    After eliminating cause of overload, display characters will not appear after pressing RESET.
If problem persists
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