Nordson Encore HD Customer Product Manual

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Troubleshooting5-6Part 1604870-05 2018 Nordson CorporationH27 Trigger On during Power UpFaultThis code appears if the gun was triggered ON when theinterface was turned on. Turn off the interface, wait for severalseconds, then turn the interface back on, making sure thespray gun is not triggered on. If the fault reoccurs, check for abad trigger switch.H28 EEPROM Data VersionChangedSoftware version has been changed. This code appears aftera software update. Clear the fault. It should not reappear.H29 System ConfigurationMismatchMain gun control and pump configurations do not match. Oneis venturi and the other is HDLV/COD. See F18 in theController Configuration section on page 4-20 and confirmsettings.H30 Calibration Invalid Pump calibration values for A or C are out of range. Refer toyour pump control unit manual for more information.H31 Boost Valve Fault Check J6 wiring diagram pump board.H32 Electrode Airwash Fault Check J4 wiring diagram pump board.H33 Fluidizing Air Valve Fault Check J5 wiring diagram pump board.H34 Purge Air Valve Fault Check J10 wiring diagram pump board.H35 Vibratory Motor Relay Fault Check J9 wiring diagram pump board.H36 LIN BUS CommunicationFault (Gun Cable)Perform Gun Cable Continuity Tests in the spray gun manual,to check J3 connection. If an open or short is found, replacethe cable. If the gun cable is okay, replace the gun displaymodule.H41 24V Fault Check the DC power supply located in the pump control unit.If the voltage is less than 22 Vdc replace the power supply inthe pump control unit. Turn on the pump control unit for thistest.H42 Main Board Fault(Interface)Clear the fault and make sure kV is set to maximum 100 kV,then trigger the gun ON. If the code re-appears, check for adefective gun power supply or a gun cable. If the cable andthe gun power supply are OK, replace the main board.H43 μA Feedback Fault Make sure kV is set to maximum 100 kV, trigger the gun ONand check the μA display. If the μA display always reads>75 μA, even when the gun is more than 3 ft from a groundedsurface, check the gun cable or the gun high voltage powersupply.If the μA display reads 0 with the gun triggered on and close toa part, check the gun cable or the gun high voltage powersupply. When the gun is triggered on and kV is set >0, the μAdisplay should always read >0.H44 Robot Heartbeat Missing System controller is configured for External Mode, and cannotdetect the Prodigy PLC Gateway heartbeat. Check CANcable. Make sure Gateway is configured properly. Refer tothe Prodigy PLC Gateway manual.Continued...