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MJ3 Portable Desiccant Dryer/Loader
Issues > Check/Troubleshooting

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


E0 EPROM Error
Occurs when circuit board is unable to read ROM data properly.
  1. Turn off the unit's main power breaker for 5 seconds, and see if it resets.
If problem persists
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E1 Reverse Phase
Occurs when the connection of the power cord has phases reversed.
Before starting any work, turn OFF the power breaker, then unplug the power cable. Always utilize the ground wire when wiring.When finished wiring, check for any loose wires, and tighten if needed.
  1. Of the three phase wires on the power cord plug, exchange two and reapply.
If problem persists
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E2 Drying Blower Overload
Occurs when over current flows through the blower and the overload relay of the electromagnetic switch trips.
  1. See 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. See 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

  2. See Overheat Alarm 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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E6 Broken Regeneration 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.
    • Level Meter Sensitivity Adjustment
    • Proximity Switch Sensitivity Adjustment
    • Limit Switch Adjustment

    [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.
    • Proximity Switch Sensitivity Adjustment

    [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.
    • Proximity Switch Sensitivity Adjustment

    [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. See Overheat Alarm for reference.
If problem persists
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