AltaPail II Bulk Melters Product Manual.pdf - 第158页
Troubleshooting 9-11 Part 1121836_03 E 11/2014 Nordson Corporation Troubleshooti ng Pump No Mat erial (Pump D oes no t Rotate ) Possible Ca use Possible Fault / T roubleshootin g Corrective Action 1. Melter not yet ready…
Troubleshooting
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Part 1121836_03
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Troubleshooting Tables
Melter Not Functioning
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. No line voltage — Connect line voltage
2. Main power switch
not switched on
— Place main power switch in ON
position
3. Main power switch
defective
— Replace main power switch
4. Main circuit breaker
activated
— Switch on main circuit breaker
5. Main circuit breaker
activated again
Check for short circuit in melter or
accessories
—
6. 24 VDC power supply
defective
— Replace
7. Frequent melter
shutdown
Electromagnetic compatibility
disruptions
Add mains filter
One Channel (Heating Zone) Does Not Heat
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Channel is disabled /
switched off
— Enable / switch on
Troubleshooting
9-11
Part 1121836_03
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Troubleshooting Pump
No Material (Pump 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
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Part 1121836_03
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No Material (Motor Rotating)
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Pail empty — Replace pail
2. Material supply hole
to pump or pump
suction hole clogged
— Detach pump and clean supply hole
or suction hole
3. Safety valve defective — Replace safety valve
4. Pump defective — Replace pump
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. Processing
temperature set too
low
— Correct temperature setting
3. Pump block is worn — Replace pump
4. Safety valve defective — Replace safety valve
5. Pump defective — Replace pump