Nordson FP-200 - Heater Check

Troubleshooting
6-9
Part 237478_03
E 2012 Nordson Corporation
Heater Check
Follow this procedure to check a heater.
1. Disable the gun's triggering device.
2. Unplug the gun's cordset from the hose plug receptacle.
3. See Figure 6‐5. Attach a standard ohmmeter to the heater pin(s) on the
cordset plug.
S Circuit not open: normal indication (heater probably not defective).
Return to the Troubleshooting Table.
S Circuit open: defective heater. Replace heater (refer to Section7.
Repair).
1
2
3
5
HEATER
HEATER
RTD
RTD
GND
5
4
2
3
1
RTD
GND
2
4
1
3
4
2
5
4
2
3
1
RTD
115 volt
4
1
2
3
5
HEATER
RTD
RTD
GND
4
1
2
3
4
HEATER
GND
HEATER
HEATER
Figure 6‐5 Heater and RTD Locations