DuraBlue II Customer Product Manual - 第134页
Troubleshooting 6-22 Part 1126931_01 2018 Nordson Corporation Troubleshooting Tables Melter Not Functioning Possible Cause Possible Fault / T roubleshooting Corrective Action 1. No line voltage — Connect line voltage 2…
Pump speed arrow keys
Pump mode key and LED
Troubleshooting
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Part 1126931_01
2018 Nordson Corporation
Calibrating the Pump Speed Display
The melter is shipped with the pump speed display calibrated to show the
pump rpm. If recalibration becomes necessary, follow this procedure.
1. Ensure that the motor is running at 50 percent speed or higher.
2. Press and hold both Pump speed arrow keys.
3. When the pump speed display indicates CAL, release the keys.
4. Enter the actual pump rpm.
5. Press the Pump mode key.
Troubleshooting
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Part 1126931_01
2018 Nordson Corporation
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
Control Panel Does Not Function
Problem Possible Cause Corrective Action
1. Display is blank SPS broad‐band cable not
connected
Connect
Troubleshooting
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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