MGD Portable Hot Air Dryer/Loader
Issues > Check/Troubleshooting
 

Error
Click on any of the buttons above to jump to errors.


E0 EPROM Error
Occurs when unable to read ROM data properly while power is on.
  1. After turning power off, run preparations for operation.
If problem persists
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E1 Reverse Phase
Occurs when connection of power cord is in reverse phase.
Before starting work, turn power breaker off. Always connect earths. After work, securely tighten connections.
  1. Of the three lines of the power cords, change hook-up of two lines and turn power breakers on.
If problem persists
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E2 Dry Blower Overload
Occurs when overcurrent flows through the blower and the overload relay of the electromagnetic switch trips.
  1. Blower is Overloaded and Overload Relay Trips
If problem persists
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E3 Convey Blower Overload
Occurs when overcurrent flows through the blower and the overload relay of the electromagnetic switch trips.
  1. Blower is Overloaded and Overload Relay Trips
If problem persists
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E4 Dry Temperature Upper Limit
Occurs when the dry temperature rises above the set and upper limit temperature. Operation will stop automatically.
  1. Check upper temperature settings.
    If pressing SV switch for more than five seconds, unit will enter Engineering Setting Mode. Display will change every time SV switch is pressed during this mode.


  2. [Point] Setting Range 0~40 degrees C
      Original Setting 10 degrees C

  3. Overheat Alarm See for reference
Engineering Mode Parameters
If problem persists

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E5 Broken Dry Sensor
Occurs when wiring or drying thermocouple (CA sensor) for the process (hopper) temperature controller is broken. Operation stops automatically.
  1. Check to see if either the thermocople (CA sensor) is bent, damaged or if wiring is disconnected.
If problem persists
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E7 No. 1 Conveying Malfunction
Alarm occurs when hopper does not fill within a set time after start-up of No. 1 Direction conveying. Also occurs when 1st conveying is not done despite repeated 2nd conveying.
  1. Need to adjust all sensors in primary or secondary side.

[Point]
  If the hopper is full, alarm will automatically cancel.
To cancel the alarm manually, turn conveying switch off or press Reset switch.
If problem persists
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E8 No. 2 Conveying Malfunction
Occurs when hopper does not fill up fully after within a set time after start-up of No. 2 direction conveying.
  1. Need to adjust all sensors in secondary side.

[Point]
  If the hopper is full, alarm will automatically cancel.
To cancel the alarm manually, turn conveying switch off or press Reset switch.
If problem persists
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E9 No. 3 Convey Malfunction
Occurs when hopper does not fill up fully after within a set time after start-up of No. 2 direction conveying.
  1. Need to adjust sensors

[Point]
  If the hopper is full, alarm will automatically cancel.
To cancel the alarm manually, turn conveying switch off or press Reset switch.
If problem persists
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E10 Drying/Regeneration Overheat Alarm
Occurs when drying/regeneration temperature in heater box rises past probe/sensor settings.
  1. Overheat Alarm for reference
If problem persists
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