DuraBlue II Customer Product Manual - 第136页

Troubleshooting 6-24 Part 1126931_01  2018 Nordson Corporation No Material (Motor Rotating) Possible Cause Possible Fault / T roubleshooting Corrective Action 1. Tank empty — Fill tank 2. Filter cartridge clogged — Clea…

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Troubleshooting
6-23
Part 1126931_01
2018 Nordson Corporation
No Material (Motor Does not Rotate)
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Melter not yet ready
for operation (heatup
phase)
— Wait until the melter has heated up
and the green indication lamp is lit
2. Melter at present not
ready for operation
(undertemperature
during operation)
Material was refilled Wait until the melter has heated up
and the green indication lamp is lit
3. Motor not enabled — Enable motor
4. Speed (rpm) not set — Set speed (rpm)
5. Standby entered — Exit or wait until standby period has
expired
6. Motor overheated
Ambient temperature too high Decrease ambient temperature by
cooling or airing out
Fan cap dirty Clean
Pump blocked by foreign matter Replace pump
Pump operates too sluggish Replace pump
Material too cold Set temperature accordingly
7. Motor defective — Replace
8. Motor not supplied
with voltage
— Technical inspection
9. Motor drive fault — Switch melter off and on again with
main power switch
Motor overheated See above
Motor controller overheated Decrease ambient temperature by
cooling or airing out
Clean cooling section of motor
controller
Short circuit Check motor cable
Overload (pump blocked by foreign
matter, pump too sluggish, material
too cold)
Refer to 6.
10. Motor drive defective — Replace
Troubleshooting
6-24
Part 1126931_01
2018 Nordson Corporation
No Material (Motor Rotating)
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Tank empty — Fill tank
2. Filter cartridge
clogged
— Clean or replace filter screen
3. Material supply hole
to pump or pump
suction hole clogged
— Detach pump and clean supply hole
or suction hole
4. Pressure control
valve defective
— Replace pressure control valve
5. Safety valve defective — Replace safety valve
6. Pump defective — Replace pump
7. Pressure control
valve setting too low
— Adjust pressure control valve
Too Little Material
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Material supply hole
to pump or pump
suction hole partially
clogged
— Detach pump and clean supply hole
or suction hole
2. Filter cartridge partly
clogged
— Clean or replace filter screen
3. Pressure control
valve defective
— Clean or replace
4. Processing
temperature set too
low
— Correct temperature setting
5. Pump block is worn — Replace pump
6. Safety valve defective — Replace safety valve
7. Pump defective — Replace pump
8. Pressure control
valve setting too low
— Adjust pressure control valve
Troubleshooting
6-25
Part 1126931_01
2018 Nordson Corporation
Material Pressure Too High
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Pressure control
valve dirty and thus
blocked
— Disassemble and clean or replace
2. Pressure control
valve defective
— Replace
3. Pressure control
valve set incorrectly
— Set to default
Material Pressure Too Low
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Pump is worn — Replace pump
2. Pressure control
valve does not close
any more
— Replace
3. Pressure control
valve dirty and thus
clogged
— Disassemble and clean or replace
4. Pressure control
valve defective
— Replace
5. Pressure control
valve set incorrectly
— Set to default