Troubleshooting
4-7
Part 1603054-02
E
2015 Nordson Corporation
Gun Card Troubleshooting
Refer to Figure 4-1 and Tables 4-3 and 4-4. Use the fault codes on the Gun
Control screens, the fault messages on the Alarm screen, and the LEDs on
the gun control cards to diagnose problems with the gun control cards.
Gun Card Error Codes and Fault Codes
These faults, except for E16, will activate the alarm relay.
Table 4-3 Gun Card Error and Fault Codes
Error
Code
Message
Fault
Code
Meaning/Correction
301
Micro-Amp fault
detected
−
Micro-amp value out of range.
302
Over-current fault
detected
E15
Over-current detected. Clear the fault, unplug the cable from
the gun and trigger the gun.
S
If the fault changes to E7, check the resistance of the
multiplier as described in the gun manual.
S
If the fault code stays E15, check the continuity of the cable
as described in the gun manual.
303
Feedback fault
detected
E3
Micro-amp feedback not detected. Check the gun current with
no parts in front of the gun. If the current is 105
A, check for a
short circuit of the current feedback wires in the gun cable:
Unplug the cable from the gun and trigger the gun.
S
If the fault stays E3, replace the cable.
S
If the fault changes to E7, check the resistance of the
multiplier as described in the gun manual.
304
Open circuit
detected
E7
Gun cable or multiplier open circuit. If the current display is 1
A or less, check the multiplier cable and electrode assembly
for loose connections.
S
If the connections are secure, check the multiplier with an
ohmmeter as described in the gun manual.
S
If the multiplier reading is acceptable, check for a defective
cable as described in the gun manual.
305
Short circuit
detected
E8
Gun cable or multiplier short circuit. Unplug the cable from the
gun and trigger the gun.
S
If the fault changes to E7, check the resistance of the
multiplier as described in the gun manual.
S
If the fault code stays E8, check the continuity of the cable
as described in the gun manual.
Continued...
Obsolete
Содержание Encore HD iControl System
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